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• WinForms Menu Toolstrip Get Status

  - by Yeti

  So I have a project where there is some automatic initialization going on through some classes that are created automatically as global variables (yeah they are static instances). At a point inside this (it has no relation with the C# GUI for the user, so it isn't derived from any C# class) I need to see if a flag is set or not. I use toolstrip menu with checked and unchecked status in order to set or unset the flag. The problem is that I have difficulties to see if the flag is checked or not from this static class. My class is inside a different project/namespace and a DLL is created what later is linked to the GUI of the application. The GUI depends from this Manager class so making the Manager class to depend from the GUI is not an option. Nevertheless, I should be able to see its state knowing its name or through some other means. I have tried the following: if(Application.OpenForms[1].Owner.Controls["useLocalImageForInitToolStripMenuItem"].Enabled) { }; Now the problem is that on the upper code snippet I get a nasty error. So how do I do this? The toolstrip menu: The error: See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ***** Exception Text ******* System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index at System.Collections.ArrayList.get_Item(Int32 index) at System.Windows.Forms.FormCollection.get_Item(Int32 index) at Manager.MyMainManager.MyMainManager.RealTimeInit() in C:\Dropbox\My Dropbox\Public\Program Code\RoboCup\Manager\MyMainManager\MyMainManager.cs:line 494 at mainApp.MainForm.ButtonInitClick(Object sender, EventArgs e) in C:\Dropbox\My Dropbox\Public\Program Code\RoboCup\mainApp\MainForm.cs:line 389 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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• Is MVVM pointless?

  - by joebeazelman

  Is orthodox MVVM implementation pointless? I am creating a new application and I considered Windows Forms and WPF. I chose WPF because it's future-proof and offer lots of flexibility. There is less code and easier to make significant changes to your UI using XAML. Since the choice for WPF is obvious, I figured that I may as well go all the way by using MVVM as my application architecture since it offers blendability, separation concerns and unit testability. Theoretically, it seems beautiful like the holy grail of UI programming. This brief adventure; however, has turned into a real headache. As expected in practice, I’m finding that I’ve traded one problem for another. I tend to be an obsessive programmer in that I want to do things the right way so that I can get the right results and possibly become a better programmer. The MVVM pattern just flunked my test on productivity and has just turned into a big yucky hack! The clear case in point is adding support for a Modal dialog box. The correct way is to put up a dialog box and tie it to a view model. Getting this to work is difficult. In order to benefit from the MVVM pattern, you have to distribute code in several places throughout the layers of your application. You also have to use esoteric programming constructs like templates and lamba expressions. Stuff that makes you stare at the screen scratching your head. This makes maintenance and debugging a nightmare waiting to happen as I recently discovered. I had an about box working fine until I got an exception the second time I invoked it, saying that it couldn’t show the dialog box again once it is closed. I had to add an event handler for the close functionality to the dialog window, another one in the IDialogView implementation of it and finally another in the IDialogViewModel. I thought MVVM would save us from such extravagant hackery! There are several folks out there with competing solutions to this problem and they are all hacks and don’t provide a clean, easily reusable, elegant solution. Most of the MVVM toolkits gloss over dialogs and when they do address them, they are just alert boxes that don’t require custom interfaces or view models. I’m planning on giving up on the MVVM view pattern, at least its orthodox implementation of it. What do you think? Has it been worth the trouble for you if you had any? Am I just a incompetent programmer or does MVVM not what it's hyped up to be?

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• Unity framework - creating & disposing Entity Framework datacontexts at the appropriate time

  - by TobyEvans

  Hi there, With some kindly help from StackOverflow, I've got Unity Framework to create my chained dependencies, including an Entity Framework datacontext object: using (IUnityContainer container = new UnityContainer()) { container.RegisterType<IMeterView, Meter>(); container.RegisterType<IUnitOfWork, CommunergySQLiteEntities>(new ContainerControlledLifetimeManager()); container.RegisterType<IRepositoryFactory, SQLiteRepositoryFactory>(); container.RegisterType<IRepositoryFactory, WCFRepositoryFactory>("Uploader"); container.Configure<InjectedMembers>() .ConfigureInjectionFor<CommunergySQLiteEntities>( new InjectionConstructor(connectionString)); MeterPresenter meterPresenter = container.Resolve<MeterPresenter>(); this works really well in creating my Presenter object and displaying the related view, I'm really pleased. However, the problem I'm running into now is over the timing of the creation and disposal of the Entity Framework object (and I suspect this will go for any IDisposable object). Using Unity like this, the SQL EF object "CommunergySQLiteEntities" is created straight away, as I've added it to the constructor of the MeterPresenter public MeterPresenter(IMeterView view, IUnitOfWork unitOfWork, IRepositoryFactory cacheRepository) { this.mView = view; this.unitOfWork = unitOfWork; this.cacheRepository = cacheRepository; this.Initialize(); } I felt a bit uneasy about this at the time, as I don't want to be holding open a database connection, but I couldn't see any other way using the Unity dependency injection. Sure enough, when I actually try to use the datacontext, I get this error: ((System.Data.Objects.ObjectContext)(unitOfWork)).Connection '((System.Data.Objects.ObjectContext)(unitOfWork)).Connection' threw an exception of type 'System.ObjectDisposedException' System.Data.Common.DbConnection {System.ObjectDisposedException} My understanding of the principle of IoC is that you set up all your dependencies at the top, resolve your object and away you go. However, in this case, some of the child objects, eg the datacontext, don't need to be initialised at the time the parent Presenter object is created (as you would by passing them in the constructor), but the Presenter does need to know about what type to use for IUnitOfWork when it wants to talk to the database. Ideally, I want something like this inside my resolved Presenter: using(IUnitOfWork unitOfWork = new NewInstanceInjectedUnitOfWorkType()) { //do unitOfWork stuff } so the Presenter knows what IUnitOfWork implementation to use to create and dispose of straight away, preferably from the original RegisterType call. Do I have to put another Unity container inside my Presenter, at the risk of creating a new dependency? This is probably really obvious to a IoC guru, but I'd really appreciate a pointer in the right direction thanks Toby

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• WCF using Spring.NET woes

  - by demius

  Hi everyone, I've torn out all but two hairs on my head trying to get my WCF services hosted in IIS 7.5. I'm using Spring.NET to create my service instances, but I'm having no luck getting it up and running. I encounter the following exception: Could not find a base address that matches scheme http for the endpoint with binding MetadataExchangeHttpBinding. Registered base address schemes are []. My WCF configuration is as follows: <system.serviceModel> <bindings> <wsHttpBinding> <binding name="secureBinding" allowCookies="false"> <security mode="Transport"> <transport clientCredentialType="None"> <extendedProtectionPolicy policyEnforcement="Never" /> </transport> </security> </binding> </wsHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior> <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> </serviceBehaviors> </behaviors> <services> <service name="TestService"> <host> <baseAddresses> <add baseAddress="https://ws.local.com/TestService.svc"/> </baseAddresses> </host> <endpoint name="secureEndpoint" contract="Services.Interfaces.ITestService" binding="wsHttpBinding" bindingConfiguration="secureBinding" address="https://ws.local.com/TestService.svc" /> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> <serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> What am I missing here?

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• Problem with delete operation in many to many relation

  - by Alexey Zakharov

  Hi, I've got to classes Product and Store which have many to many relation I want deleting of store not to cause deleting of related product And deleting of product not to cause deleting of related store. Currently deleting of entity cause exception due to Foreign Key constraint. Here is this classes and their mapping in fluent hibernate: public class Product { public Product() { this.StoresStockedIn = new List<Store>(); } public virtual string Name { get; set; } public virtual double Price { get; set; } public virtual long ProductID { get; set; } public virtual IList<Store> StoresStockedIn { get; set; } } public class Store { public Store() { this.Products = new List<Product>(); this.Staff = new List<Employee>(); } public virtual string Name { get; set; } public virtual IList<Product> Products { get; set; } public virtual IList<Employee> Staff { get; set; } public virtual long StoreID { get; set; } } public class ProductMap : ClassMap<Product> { public ProductMap() { this.Id(x => x.ProductID); this.Map(x => x.Name); this.Map(x => x.Price); this.HasManyToMany(x => x.StoresStockedIn) .Cascade.None() .Table("StoreProduct"); } public class StoreMap : ClassMap<Store> { public StoreMap() { this.Id(x => x.StoreID); this.Map(x => x.Name); this.HasManyToMany(x => x.Products) .Cascade.None() .Inverse() .Table("StoreProduct"); this.HasMany(x => x.Staff) .Cascade.All() .Inverse(); } } Thanks, Alexey Zakharov

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• Jruby Gems-in-a-jar issue

  - by antonio

  Hi all, I am trying to write some code in ruby (using jruby) to be compiled to java bytecode with jrubyc and deployed to a remote machine where it will be run on the JVM (no ruby available there). Everything works fine as long as I am happy to stick with the standard jruby library. As explained on the jruby website, I simply copy the jruby-complete.jar library to the remote machine and include it in the classpath at runtime. I fire my compiled script and it works: cool! The problems start when I need some other libraries (typically rubygems) to run my script. I am aware of cool stuff like rawr, -which I successfully tested- to put together all you need in a single package. However that is not the solution I am looking for: I will have many small scripts to run independently and I don't want each of them to grow to at least 10 MB just because I insanely include the jruby-complete.jar in each of them. What I would like is to compile a .jar for each of the libraries that I will need to use, put all of them in a common folder on the remote machine and include them at runtime in the classpath when I run my compiled jruby scripts on the JVM. This said, I tried to follow the instructions here: http://blog.nicksieger.com/articles/2009/01/10/jruby-1-1-6-gems-in-a-jar I tried exactly the example shown there, with the "chronic" gem. Going step by step: Install the gem locally: java -jar jruby-complete-1.1.6.jar -S gem install -i ./chronic chronic --no-rdoc --no-ri Package it into a jar: jar cf chronic.jar -C chronic . Write a two lines test script, saving it as testt.rb: require 'chronic' Chronic.parse('tomorrow') Compile with: jrubyc testt.rb Run the resulting java class testt.class with the following (having both jruby-complete.jar and chronic.jar in the same folder as the java class): java -cp .:/jruby-complete.jar:./chronic.jar testt I get the following error: Exception in thread "main" file:/Users/ave2/NetBeansProjects/jrubywatir/lib/jruby-complete.jar!/METAINF/jruby.home/lib/ruby/site_ruby/shared/builtin/core_ext/symbol.rb:1:in `const_missing': uninitialized constant Chronic (NameError) from testt.rb:2 ...internal jruby stack elided... from Module.const_missing(testt.rb:2) from (unknown).(unknown)(:1) I really don't understand what I am doing wrong, and I am totally stuck on this. I am a noob in Ruby, much more used to Python: don't miss a chance to convert an infidel! :-) Thanks.

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• Django: CharField with fixed length, how?

  - by Giovanni Di Milia

  Hi everybody, I wold like to have in my model a CharField with fixed length. In other words I want that only a specified length is valid. I tried to do something like volumenumber = models.CharField('Volume Number', max_length=4, min_length=4) but it gives me an error (it seems that I can use both max_length and min_length at the same time). Is there another quick way? Thanks EDIT: Following the suggestions of some people I will be a bit more specific: My model is this: class Volume(models.Model): vid = models.AutoField(primary_key=True) jid = models.ForeignKey(Journals, db_column='jid', null=True, verbose_name = "Journal") volumenumber = models.CharField('Volume Number') date_publication = models.CharField('Date of Publication', max_length=6, blank=True) class Meta: db_table = u'volume' verbose_name = "Volume" ordering = ['jid', 'volumenumber'] unique_together = ('jid', 'volumenumber') def __unicode__(self): return (str(self.jid) + ' - ' + str(self.volumenumber)) What I want is that the volumenumber must be exactly 4 characters. I.E. if someone insert '4b' django gives an error because it expects a string of 4 characters. So I tried with volumenumber = models.CharField('Volume Number', max_length=4, min_length=4) but it gives me this error: Validating models... Unhandled exception in thread started by <function inner_run at 0x70feb0> Traceback (most recent call last): File "/Library/Python/2.5/site-packages/django/core/management/commands/runserver.py", line 48, in inner_run self.validate(display_num_errors=True) File "/Library/Python/2.5/site-packages/django/core/management/base.py", line 249, in validate num_errors = get_validation_errors(s, app) File "/Library/Python/2.5/site-packages/django/core/management/validation.py", line 28, in get_validation_errors for (app_name, error) in get_app_errors().items(): File "/Library/Python/2.5/site-packages/django/db/models/loading.py", line 131, in get_app_errors self._populate() File "/Library/Python/2.5/site-packages/django/db/models/loading.py", line 58, in _populate self.load_app(app_name, True) File "/Library/Python/2.5/site-packages/django/db/models/loading.py", line 74, in load_app models = import_module('.models', app_name) File "/Library/Python/2.5/site-packages/django/utils/importlib.py", line 35, in import_module __import__(name) File "/Users/Giovanni/src/djangoTestSite/../djangoTestSite/journaldb/models.py", line 120, in <module> class Volume(models.Model): File "/Users/Giovanni/src/djangoTestSite/../djangoTestSite/journaldb/models.py", line 123, in Volume volumenumber = models.CharField('Volume Number', max_length=4, min_length=4) TypeError: __init__() got an unexpected keyword argument 'min_length' That obviously doesn't appear if I use only "max_length" OR "min_length". I read the documentation on the django web site and it seems that I'm right (I cannot use both together) so I'm asking if there is another way to solve the problem. Thanks again

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• Still getting duplicate token error after calling DuplicateTokenEx for impersonated token

  - by atconway

  I'm trying to return a Sytem.IntPtr from a service call so that the client can use impersonation to call some code. My imersonation code works properly if not passing the token back from a WCF service. I'm not sure why this is not working. I get the following error: "Invalid token for impersonation - it cannot be duplicated." Here is my code that does work except when I try to pass the token back from a service to a WinForm C# client to then impersonate. [DllImport("advapi32.dll", EntryPoint = "DuplicateTokenEx")] public extern static bool DuplicateTokenEx(IntPtr ExistingTokenHandle, uint dwDesiredAccess, ref SECURITY_ATTRIBUTES lpThreadAttributes, int TokenType, int ImpersonationLevel, ref IntPtr DuplicateTokenHandle); private IntPtr tokenHandle = new IntPtr(0); private IntPtr dupeTokenHandle = new IntPtr(0); [StructLayout(LayoutKind.Sequential)] public struct SECURITY_ATTRIBUTES { public int Length; public IntPtr lpSecurityDescriptor; public bool bInheritHandle; } public enum SecurityImpersonationLevel { SecurityAnonymous = 0, SecurityIdentification = 1, SecurityImpersonation = 2, SecurityDelegation = 3 } public enum TokenType { TokenPrimary = 1, TokenImpersonation = 2 } private const int MAXIMUM_ALLOWED = 0x2000000; [PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")] public System.IntPtr GetWindowsUserToken(string UserName, string Password, string DomainName) { IntPtr tokenHandle = new IntPtr(0); IntPtr dupTokenHandle = new IntPtr(0); const int LOGON32_PROVIDER_DEFAULT = 0; //This parameter causes LogonUser to create a primary token. const int LOGON32_LOGON_INTERACTIVE = 2; //Initialize the token handle tokenHandle = IntPtr.Zero; //Call LogonUser to obtain a handle to an access token for credentials supplied. bool returnValue = LogonUser(UserName, DomainName, Password, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, ref tokenHandle); //Make sure a token was returned; if no populate the ResultCode and throw an exception: int ResultCode = 0; if (false == returnValue) { ResultCode = Marshal.GetLastWin32Error(); throw new System.ComponentModel.Win32Exception(ResultCode, "API call to LogonUser failed with error code : " + ResultCode); } SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES(); sa.bInheritHandle = true; sa.Length = Marshal.SizeOf(sa); sa.lpSecurityDescriptor = (IntPtr)0; bool dupReturnValue = DuplicateTokenEx(tokenHandle, MAXIMUM_ALLOWED, ref sa, (int)SecurityImpersonationLevel.SecurityDelegation, (int)TokenType.TokenImpersonation, ref dupTokenHandle); int ResultCodeDup = 0; if (false == dupReturnValue) { ResultCodeDup = Marshal.GetLastWin32Error(); throw new System.ComponentModel.Win32Exception(ResultCode, "API call to DuplicateToken failed with error code : " + ResultCode); } //Return the user token return dupTokenHandle; } Any idea if I'm not using the call to DuplicateTokenEx correctly? According to the MSDN documentation I read here I should be able to create a token valid for delegation and use across the context on remote systems. When 'SecurityDelegation' is used, the server process can impersonate the client's security context on remote systems. Thanks!

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• SerialPort ReadLine() after Thread.Sleep() goes crazy

  - by Mat

  Hi everybody, I've been fighting with this issue for a day and I can't find answer for it. I am trying to read data from GPS device trough COM port in Compact Framework C#. I am using SerialPort class (actually my own ComPort class boxing SerialPort, but it adds only two fields I need, nothing special). Anyway.. I am running while loop in a separate thread which reads line from the port, analyze NMEA data, print them, catch all exceptions and then I Sleep(200) the thread, cause I need CPU for other threads... Without Sleep it works fine, but uses 100% CPU.. When I dont use Sleep after few minutes the output from COM port looks like this: GPGSA,A,3,09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F GSA,A,3,09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F A,A,3,09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F ,18,12,271,24,24,05,020,24,14,04,326,25,11,03,023,*76 A,3,09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F 3,09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F 09,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F ,12,22,17,15,27,,,,,,,2.6,1.6,2.1*3F as you can see the same message is read few times but cut. I wonder what I'm doing wrong... My port configuration: port.ReadBufferSize = 4096; port.BaudRate = 4800; port.DataBits = 8; port.Parity = Parity.None; port.StopBits = StopBits.One; port.NewLine = "\r\n"; port.ReadTimeout = 1000; port.ReceivedBytesThreshold = 100000; And my reading function: private void processGps(){ while (!closing) { //reconnect if needed try { string sentence = port.ReadLine(); //here print the sentence //analyze the sentence (this takes some time 50-100ms) } catch (TimeoutException) { Thread.Sleep(0); } catch (IOException ioex) { //handling IO exception (some info on the screen) } Thread.Sleep(200); } } There is some more stuff in this function like reconnection if the device is lost etc.. but it is not called when the GPS is connected properly.. I was trying port.DiscardInBuffer(); after some blocks of code (in TimeoutException, after read..) Did anyone had similar problem? I really dont know what I'm doing wrong.. The only way to get rig of it is removing the last Sleep... Thanks in advance! Best Regards, Mat

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• Android: Using onStart() method in Bluetooth application

  - by Nii

  Hello, I am getting a nullpointer exception when my onStart() method is called. Here is the breakdown of my Android app: Opening the app brings a user to the homescreen: The user is then presented with the first 6 icons to choose from. When the user presses the "Sugar" icon it takes them to the SugarTabActivity. The SugarTabActivity is a Tabbed layout with two tabs. I'm concerned with the first tab. The first tab calls the getDefaultAdapter() method in its onCreate() method. Once it calls this, it checks if the bluetooth adapter is null on the phone, and if its null it shows a toast saying "Bluetooth is not available". This works just fine. Then I call the onStart() method. In the onStart() method I check if bluetooth is enabled, and if it isnt, then I start a new activity from the BluetoothAdapter enable bluetooth intent; otherwise, I start my bluetooth service. The exact error I'm getting is 04-19 00:44:45.674: ERROR/AndroidRuntime(225): Caused by: java.lang.NullPointerException 04-19 00:44:45.674: ERROR/AndroidRuntime(225): at com.nii.glucose.Glucose.onStart(Glucose.java:313). Heading Override public void onCreate(Bundle icicle) { super.onCreate(icicle); if(D) Log.d(TAG, "+++ ON CREATE +++"); setContentView(R.layout.glucose_layout); mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if(mBluetoothAdapter==null){ Toast.makeText(this, "Bluetooth not available", Toast.LENGTH_LONG).show(); //finish(); return; } } Override public void onStart() { super.onStart(); if(D) Log.e(TAG, "++ ON START ++"); // If BT is not on, request that it be enabled. // setupChat() will then be called during onActivityResult if (!mBluetoothAdapter.isEnabled()) { Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableIntent, REQUEST_ENABLE_BT); // Otherwise, setup the chat session } else { if (mGlucoseService == null) mGlucoseService = new BluetoothService(this, mHandler); } } @Override public synchronized void onResume(){ super.onResume(); if(D) Log.e(TAG,"==== ON RESUME ======"); // Performing this check in onResume() covers the case in which BT was // not enabled during onStart(), so we were paused to enable it... // onResume() will be called when ACTION_REQUEST_ENABLE activity returns. if (mGlucoseService != null) { // Only if the state is STATE_NONE, do we know that we haven't started already if (mGlucoseService.getState() == BluetoothService.STATE_NONE) { // Start the Bluetooth chat services mGlucoseService.start(); } } } @Override public synchronized void onPause(){ super.onPause(); //isActive.set(false); if(D) Log.e(TAG,"==== ON PAUSE ======"); } @Override public void onDestroy() { super.onDestroy(); // Stop the Bluetooth chat services if (mGlucoseService != null) mGlucoseService.stop(); if(D) Log.e(TAG, "--- ON DESTROY ---"); }

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• Problem with core data migration mapping model

  - by dpratt

  I have an iphone app that uses Core Data to do storage. I have successfully deployed it, and now I'm working on the second version. I've run into a problem with the data model that will require a few very simple data transformations at the time that the persistent store gets upgraded, so I can't just use the default inferred mapping model. My object model is stored in an .xcdatamodeld bundle, with versions 1.0 and 1.1 next to each other. Version 1.1 is set as the active version. Everything works fine when I use the default migration behavior and set NSInferMappingModelAutomaticallyOption to YES. My sqlite storage gets upgraded from the 1.0 version of the model, and everything is good except for, of course, the few transformations I need done. As an additional experimental step, I added a new Mapping Model to the core data model bundle, and have made no changes to what xcode generated. When I run my app (with an older version of the data store), I get the following * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Object's persistent store is not reachable from this NSManagedObjectContext's coordinator' What am I doing wrong? Here's my code for to get the managed object model and the persistent store coordinator. - (NSPersistentStoreCoordinator *)persistentStoreCoordinator { if (_persistentStoreCoordinator != nil) { return _persistentStoreCoordinator; } _persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; NSURL *storeUrl = [NSURL fileURLWithPath: [[self applicationDocumentsDirectory] stringByAppendingPathComponent: @"gti_store.sqlite"]]; NSError *error; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:options error:&error]) { NSLog(@"Eror creating persistent store coodinator - %@", [error localizedDescription]); } return _persistentStoreCoordinator; } - (NSManagedObjectModel *)managedObjectModel { if(_managedObjectModel == nil) { _managedObjectModel = [[NSManagedObjectModel mergedModelFromBundles:nil] retain]; NSDictionary *entities = [_managedObjectModel entitiesByName]; //add a sort descriptor to the 'Foo' fetched property so that it can have an ordering - you can't add these from the graphical core data modeler NSEntityDescription *entity = [entities objectForKey:@"Foo"]; NSFetchedPropertyDescription *fetchedProp = [[entity propertiesByName] objectForKey:@"orderedBar"]; NSSortDescriptor* sortDescriptor = [[[NSSortDescriptor alloc] initWithKey:@"index" ascending:YES] autorelease]; NSArray* sortDescriptors = [NSArray arrayWithObjects:sortDescriptor, nil]; [[fetchedProp fetchRequest] setSortDescriptors:sortDescriptors]; } return _managedObjectModel; }

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• Eclipselink factory.createEntityManager() stalls with more than one instance running

  - by Raven

  Hi, with my RCP program I have the problem that I want to have more than one copy running on my PC. The first instance runs very good. If I start the second instance, everything is fine until I want to access the database. Using this code: .. Map properties = new HashMap(); properties.put("javax.persistence.jdbc.driver", dbDriver); properties.put("javax.persistence.jdbc.url", dbUrl); properties.put("javax.persistence.jdbc.user", dbUser); properties.put("javax.persistence.jdbc.password", dbPass); try { factory = Persistence.createEntityManagerFactory( PERSISTENCE_UNIT_NAME, properties); } catch (Exception e) { System.out.println(e); } em=factory.createEntityManager(); // the second instance stops here ... with an persistence.xml of <?xml version="1.0" encoding="UTF-8"?> <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"> <persistence-unit name="default"> <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider> <class>myclasshere</class> <properties> <property name="eclipselink.ddl-generation" value="create-tables" /> <property name="eclipselink.ddl-generation.output-mode" value="database" /> <property name="eclipselink.jdbc.read-connections.min" value="1" /> <property name="eclipselink.jdbc.write-connections.min" value="1" /> <property name="eclipselink.jdbc.batch-writing" value="JDBC" /> <property name="eclipselink.logging.level" value="SEVERE" /> <property name="eclipselink.logging.timestamp" value="false" /> <property name="eclipselink.logging.session" value="false" /> <property name="eclipselink.logging.thread" value="false" /> </properties> </persistence-unit> </persistence> The program stalls / does not continue in the second instance beyond this step: em=factory.createEntityManager(); Debugging the program step by step showed me, that nothing happens at this point. Perhaps the program runs into a timeout. I havent been wainting for more than 1 minute.... Do you have any clues what might cause this stall might?

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• Why is ELMAH creating 2 reports for each error?

  - by Chris F

  I have setup ELMAH to create an XML log as well as send an email every time it encounters and unhandled exception in my ASP.NET MVC web application. However, creates 2 xml files for every error and sends to emails, seemingly identical each time. How do I stop this? My relevant web.config configuration sections are below. I thought the duplicate registration system.web and system.webServer may be causing the issue, but that's not the case. <configSections> ... <sectionGroup name="elmah"> <section name="security" requirePermission="false" type="Elmah.SecuritySectionHandler, Elmah" /> <section name="errorLog" requirePermission="false" type="Elmah.ErrorLogSectionHandler, Elmah" /> <section name="errorMail" requirePermission="false" type="Elmah.ErrorMailSectionHandler, Elmah" /> <section name="errorFilter" requirePermission="false" type="Elmah.ErrorFilterSectionHandler, Elmah" /> </sectionGroup> </configSections> <elmah> <security allowRemoteAccess="no"></security> <errorLog type="Elmah.XmlFileErrorLog, Elmah" logPath="~/Logs" /> <errorMail from="[email protected]" to="[email protected]" cc="[email protected]" subject="ELMAH: Site Error" async="true" smtpPort="25" smtpServer="xx.xx.xx.xx" /> </elmah> <system.web> ... <httpHandlers> ... <add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" /> </httpHandlers> <httpModules> ... <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah"/> <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah"/> </httpModules> </system.web> <!-- for IIS7 --> <system.webServer> ... <modules runAllManagedModulesForAllRequests="true"> ... <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah"/> <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah"/> </modules> <handlers> ... <add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" /> </handlers> </system.webServer>

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• Getting XText to work

  - by Calmarius

  I know you don't like helping others in their homework but I have to make an XText grammar, write a sample code that matches this grammar and compile it to a html file. The lecturer showed us the steps and everything worked for him... He said "It's so simple it will be a 10 minute work for you". And I believed that. However at home almost nothing works as expected. And of course no more lectures to go only the exam avaits me where I have to show what I done to pass. Moreover the e-mail I sent him bounced back by the mailer-demon... I got Xtext along with Eclipse IDE from the xtext website and I unpacked it and I followed the steps in the official tuturial to get the default project template to work. The tutorial is found here: http://wiki.eclipse.org/Xtext/GettingStarted Now I'm at the step "Model". It says open the "MyModel.mydsl" I do that but the editor does not opened. It said: "Could not open the editor: The editor class could not be instantiated. This usually indicates a missing no-arg constructor or that the editor's class name was mistyped in plugin.xml." Since everything is generated, the error message does not helped me... There was an option to look at the stack trace (it was mile long) and on the top of it there was an exception: java.lang.IllegalStateException: The bundle has not yet been activated. Make sure the Manifest.MF contains 'Bundle-ActivationPolicy: lazy'. I opened Manifast.MF and Bundle-ActivationPolicy: lazy was set... I googled for the solution but no avail. It drove me nuts and I gave up. I have no experience with Eclipse and Java and XText, I just want to do my homework and forget everything until I will need it again... Anyone have experience with XText? Any help appreciated. ps: I will be on it too and I might resolve the problem in several hours. But now I am at a loss.

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• Switching from MDI to SDI and Back Again

  - by Mike Hofer

  This sounds like it would be a simple task, but I'm running into some issues. I have some fairly straightforward code for my C# application: private void SwitchToSdi() { MainWindow mainWindow = GetMainWindow(); for (int index = mainWindow.MdiChildren.Length - 1; index >= 0; index--) { Form form = mainWindow.MdiChildren[index]; if (!(form is MainWindow)) { form.Visible = false; form.MdiParent = null; form.Visible = true; mainWindow.MdiChildren[index] = null; } } mainWindow.IsMdiContainer = false; } And then, private void SwitchToMdi() { MainWindow mainWindow = GetMainWindow(); mainWindow.IsMdiContainer = true; for (int index = Application.OpenForms.Count - 1; index >= 0; index--) { Form form = Application.OpenForms[index]; if (!(form is MainWindow)) { form.Visible = false; form.MdiParent = mainWindow; form.Visible = true; } } } Note that MainWindow is an MDI parent window, with its IsMdiContainer property set to True. The user can toggle between MDI and SDI in the Options dialog. That much works beautifully. If I switch to SDI, the new windows open up OUTSIDE the main window, which is great. Similarly, if I switch to MDI, they open up inside the container. However, I've noticed a few things. Open MDI child windows don't become SDI windows as I would have expected them to. Open SDI windows don't become MDI child windows as I would have expected them to. Even after I set IsMdiContainer to true in the call to SwitchToMdi(), if I try to open a new window, I get an exception that tells me that the main window isn't an MDI container. o_O Someone please throw me a bone here. This shouldn't be rocket science. But I'm not finding a whole lot of useful help out there on the Intarwebs (read: g00gle is fairly useless). Has anyone actually implemented this behavior in .NET before? How did you achieve it? What am I missing here? Halp!

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• ASP.Net and FaceBook Wall integration

  - by Jit

  Hi, I am new to FaceBook API. I like to send messages when I want from my aspx webpage. I used the different examples and used FaceBook API 3.1. I am getting error as "service temporarily unavailable". I have assigned AppKey, Secret Key and session key. My sample code is below. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Facebook; using Facebook.Web; using Facebook.Rest; using Facebook.Session; using Facebook.Utility; using Facebook.BindingHelper; using Facebook.Schema; using Facebook.Web.FbmlControls; using Facebook.Session.DesktopPopup; namespace FaceBookApp { public partial class _Default : System.Web.UI.Page { private const string ApplicationKey = "MY_APP_KEY"; private const string SecretKey = "MY_SECRET_KEY"; private Api fbAPI; private ConnectSession _connectSession; // private List<EventUser> _eventUsers; protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { _connectSession = new ConnectSession(ApplicationKey, SecretKey); _connectSession.SessionKey = "MY_SESSION_KEY"; if (!_connectSession.IsConnected()) { // Not authenticated, proceed as usual. //lblStatus.Text = "Please sign-in with Facebook."; } else { // Authenticated, create API instance fbAPI = new Api(_connectSession); string response = fbAPI.Stream.Publish("publish steven on facebook."); } } } } The error message is confusing. It must be a very simple solution. I don't know what I am missing. Pls help. Here is the facebook exception. {"Service temporarily unavailable"}

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• Facebook Developer ToolKit: How should I construct this app?

  - by j0nscalet

  I have created a simple desktop application that I want to use to post status updates for the users of my app. Here's the kicker though that I am having trouble figuring out, the desktop application runs as part of a batch process every night, in which I update the status of certain users. I use the following code to accomplish this: (comes directly from the FDK samples) public FriendViewer() { InitializeComponent(); facebookService1.ApplicationKey = "Key"; facebookService1.Secret = "Secret"; facebookService1.SessionKey = "Session key"; facebookService1.IsDesktopApplication = true; } private void TestService_Load(object sender, EventArgs e) { try { if (!facebookService1.API.users.hasAppPermission(facebook.Types.Enums.Extended_Permissions.status_update)) facebookService1.GetExtendedPermission(facebook.Types.Enums.Extended_Permissions.status_update); if (!facebookService1.API.users.hasAppPermission(facebook.Types.Enums.Extended_Permissions.offline_access)) facebookService1.GetExtendedPermission(facebook.Types.Enums.Extended_Permissions.offline_access); long uid = facebookService1.users.getLoggedInUser(); facebook.Schema.user user = facebookService1.users.getInfo(uid); facebookService1.users.setStatus("Facebook Syndicator rules!"); MessageBox.Show(String.Format("Status set for {0} {1}", user.first_name, user.last_name)); } catch (Exception ex) { MessageBox.Show(ex.Message); Close(); } } My user's day to day activity is done a website front end. Since I dont have any user interaction in a nightly batch process, I cannot use the ConnectToFaceBook method on the FaceBookService to obtain a sessionKey for the user. Ideally I would like to prompt for authorization and extended permissions for my desktop app when a user logins into the web front end then save the sessionKey and uid in the database. At night when my process runs, I would reference the sessionKey and uid in order and update the user's status. I am finding myself fumbling between whether or not my app should be a web or desktop app. Having both a web and desktop app would be confusing to my users, because they would have to grant/manage permissions for both apps. And I looking at this the wrong way? Any help would be greatly appreciated! Thanks.

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• i don't solve "must declare a body because it is not marked abstract, extern, or partial" problem?

  - by programmerist

  How can i solve "must declare a body because it is not marked abstract, extern, or partial". This problem. Can you show me some advices? Full Error message is about Save, Update, Delete, Select events... Full message sample : GenoTip.DAL._AccessorForSQL.Save(string, System.Collections.Specialized.ListDictionary, System.Data.CommandType)' must declare a body because it is not marked abstract, extern, or partial This error also return in Update, Delete, Select... public abstract class _AccessorForSQL { public virtual bool Save(string sp, ListDictionary ld, CommandType cmdType); public virtual bool Update(); public virtual bool Delete(); public virtual DataSet Select(); } class GenAccessor : _AccessorForSQL { DataSet ds; DataTable dt; public override bool Save(string sp, ListDictionary ld, CommandType cmdType) { SqlConnection con = null; SqlCommand cmd = null; SqlDataReader dr = null; try { con = GetConnection(); cmd = new SqlCommand(sp, con); con.Open(); cmd.CommandType = cmdType; foreach (string ky in ld.Keys) { cmd.Parameters.AddWithValue(ky, ld[ky]); } dr = cmd.ExecuteReader(); ds = new DataSet(); dt = new DataTable(); ds.Tables.Add(dt); ds.Load(dr, LoadOption.OverwriteChanges, dt); } catch (Exception exp) { HttpContext.Current.Trace.Warn("Error in GetCustomerByID()", exp.Message, exp); } finally { if (dr != null) dr.Close(); if (con != null) con.Close(); } return (ds.Tables[0].Rows.Count 0) ? true : false; } public override bool Update() { return true; } public override bool Delete() { return true; } public override DataSet Select() { DataSet dst = new DataSet(); return dst; } private static SqlConnection GetConnection() { string connStr = WebConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; SqlConnection conn = new SqlConnection(connStr); return conn; }

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• Can't checkin to Facebook Places by post to api?

  - by MarcusJoe

  Hey everybody, I am trying to build an app where I let my registered user be able to check in to places on Facebook Places. I however for some reason can't seem to make this work. I assumed this is possible with the Api as write functionality has been added to it, but I couldn't find an clear explanation on the web. this is what I currently have, after I have asked the user for permission to publish checkins and for user_checkins. <?php require("src/facebook.php"); $facebook = new Facebook(array( 'appId' => 'xxxxxxxxx', 'secret' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', 'cookie' => true )); # see if active session $session = $facebook->getSession(); if(!empty($session)) { try{ $uid = $facebook->getUser(); $api_call = array( 'method' => 'users.hasAppPermission', 'uid' => $uid, 'ext_perm' => 'publish_checkins' ); $can_post = $facebook->api($api_call); if($can_post){ $facebook->api('/'.$uid.'/checkins', 'POST', array( 'access_token' => $facebook->getAccessToken(), 'place' => 'place_id', 'message' =>'I went to placename today', 'picture' => 'http://www.place.com/logo.jpg', 'coordinates' => array( 'latitude' => 'lattiude', 'longitude' => 'lattitude', 'tags' => $uid, ) ) ); echo 'You were checked in'; } else { die('Permissions required!'); } } catch (Exception $e){} } else { # There's no active session,generate one $login_url = $facebook->getLoginUrl(); header("Location: ".$login_url); } ?> The code works when I change it 'checkins' to 'feed'. Is there something wrong with my code or am I trying to do somethign that isn't possible (or do it the wrong way). Any help will be greatly appreciated as I already spent quite a significant amount of time trying to fix this, but I just can't seem to make it work. Best regards, Marcus Joe

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• NSInvalidArgumentException: Illegal attempt to establish a relationship between objects in different

  - by iPhoneDollaraire

  I have an app based on the CoreDataBooks example that uses an addingManagedObjectContext to add an Ingredient to a Cocktail in order to undo the entire add. The CocktailsDetailViewController in turn calls a BrandPickerViewController to (optionally) set a brand name for a given ingredient. Cocktail, Ingredient and Brand are all NSManagedObjects. Cocktail requires at least one Ingredient (baseLiquor) to be set, so I create it when the Cocktail is created. If I add the Cocktail in CocktailsAddViewController : CocktailsDetailViewController (merging into the Cocktail managed object context on save) without setting baseLiquor.brand, then it works to set the Brand from a picker (also stored in the Cocktails managed context) later from the CocktailsDetailViewController. However, if I try to set baseLiquor.brand in CocktailsAddViewController, I get: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Illegal attempt to establish a relationship 'brand' between objects in different contexts' From this question I understand that the issue is that Brand is stored in the app's managedObjectContext and the newly added Ingredient and Cocktail are stored in addingManagedObjectContext, and that passing the ObjectID instead would avoid the crash. What I don't get is how to implement the picker generically so that all of the Ingredients (baseLiquor, mixer, garnish, etc.) can be set during the add, as well as one-by-one from the CocktailsDetailViewController after the Cocktail has been created. In other words, following the CoreDataBooks example, where and when would the ObjectID be turned into the NSManagedObject from the parent MOC in both add and edit cases? -IPD UPDATE - Here's the code: - (IBAction)addCocktail:(id)sender { CocktailsAddViewController *addViewController = [[CocktailsAddViewController alloc] init]; addViewController.title = @"Add Cocktail"; addViewController.delegate = self; // Create a new managed object context for the new book -- set its persistent store coordinator to the same as that from the fetched results controller's context. NSManagedObjectContext *addingContext = [[NSManagedObjectContext alloc] init]; self.addingManagedObjectContext = addingContext; [addingContext release]; [addingManagedObjectContext setPersistentStoreCoordinator:[[fetchedResultsController managedObjectContext] persistentStoreCoordinator]]; Cocktail *newCocktail = (Cocktail *)[NSEntityDescription insertNewObjectForEntityForName:@"Cocktail" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.baseLiquor = (Ingredient *)[NSEntityDescription insertNewObjectForEntityForName:@"Ingredient" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.mixer = (Ingredient *)[NSEntityDescription insertNewObjectForEntityForName:@"Ingredient" inManagedObjectContext:self.addingManagedObjectContext]; newCocktail.volume = [NSNumber numberWithInt:0]; addViewController.cocktail = newCocktail; UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:addViewController]; [self.navigationController presentModalViewController:navController animated:YES]; [addViewController release]; [navController release]; }

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• log4net not logging with a mixture of .net 1.1 and .net 3.5

  - by Jim P

  Hi All, I have an iis server on a windows 2003 production machine that will not log using log4net in the .net3.5 web application. Log4net works fine in the 1.1 apps using log4net version 1.2.9.0 and but not the 3.5 web app. The logging works fine in a development and staging environment but not in production. It does not error and I receive no events logged in the event viewer and don't know where to look next. I have tried both versions of log4net (1.2.9.0 and 1.2.10.0) and both work in development and staging but not in production. For testing purposes I have created just a single page application that just echos back the time when the page is hit and also is supposed to log to my logfile using log4net. Here is my web.config file: <configSections> <!-- LOG4NET Configuration --> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" requirePermission="false" /> </configSections> <log4net debug="true"> <appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender"> <param name="File" value="D:\DIF\Logs\TestApp\TestApp_"/> <param name="AppendToFile" value="true"/> <param name="RollingStyle" value="Date"/> <param name="DatePattern" value="yyyyMMdd\.\l\o\g"/> <param name="StaticLogFileName" value="false"/> <layout type="log4net.Layout.PatternLayout"> <param name="ConversionPattern" value="%date{HH:mm:ss} %C::%M [%-5level] - %message%newline"/> </layout> </appender> <root> <level value="ALL"/> <appender-ref ref="RollingFileAppender"/> </root> </log4net> Here is my log4net initialization: // Logging for the application private static ILog mlog = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); protected void Application_Start(object sender, EventArgs e) { try { // Start the configuration of the Logging XmlConfigurator.Configure(); mlog.Info("Started logging for the TestApp Application."); } catch (Exception ex) { throw; } } Any help would be greatly appreciated. Thanks, Jim

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• Spring MVC return ajax response using Jackson

  - by anshumn

  I have a scenario where I am filling a dropdown box in JSP through AJAX response from the server. In the controller, I am retuning a Collection of Product objects and have annotated the return type with @ResponseBody. Controller - @RequestMapping(value="/getServicesForMarket", method = RequestMethod.GET) public @ResponseBody Collection<Product> getServices(@RequestParam(value="marketId", required=true) int marketId) { Collection<Product> products = marketService.getProducts(marketId); return products; } And Product is @Entity @Table(name = "PRODUCT") public class Product implements Serializable { private static final long serialVersionUID = 1L; private int id; private Market market; private Service service; private int price; @Id @GeneratedValue(strategy = GenerationType.AUTO) public int getId() { return id; } public void setId(int id) { this.id = id; } @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name = "MARKET_ID") public Market getMarket() { return market; } public void setMarket(Market market) { this.market = market; } @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name = "SERVICE_ID") public Service getService() { return service; } public void setService(Service service) { this.service = service; } @Column(name = "PRICE") public int getPrice() { return price; } public void setPrice(int price) { this.price = price; } } Service is @Entity @Table(name="SERVICE") public class Service implements Serializable { /** * */ private static final long serialVersionUID = 1L; private int id; private String name; private String description; @Id @GeneratedValue @Column(name="ID") public int getId() { return id; } public void setId(int id) { this.id = id; } @Column(name="NAME") public String getName() { return name; } public void setName(String name) { this.name = name; } @Column(name="DESCRIPTION") public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } } In the JSP, I need to get the data from the service field of Product also. So I in my JQuery callback function, I have written like product.service.description to get the data. It seems that by default Jackson is not mapping the associated service object (or any other custom object). Also I am not getting any exception. In the JSP, I do not get the data. It is working fine when I return Collection of some object which does not contain any other custom objects as its fields. Am I missing any settings for this to work? Thanks!

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• 401 error when consuming a Web service with HTTP Basic authentication using CXF

  - by seanhodges

  I'm trying to consume a remote Web service that uses HTTP basic authentication, using Apache CXF, within a JUnit test. The error I am getting is: javax.xml.ws.WebServiceException: Failed to access the WSDL at: http://localhost:8080/services/MyService?wsdl. It failed with: Server returned HTTP response code: 401 for URL: http://localhost:8080/services/MyService?wsdl. at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.tryWithMex(RuntimeWSDLParser.java:151) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(RuntimeWSDLParser.java:133) at com.sun.xml.internal.ws.client.WSServiceDelegate.parseWSDL(WSServiceDelegate.java:254) at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(WSServiceDelegate.java:217) at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(WSServiceDelegate.java:165) at com.sun.xml.internal.ws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:93) at javax.xml.ws.Service.<init>(Service.java:76) at com.wave2.marketplace.importer.impl.adportal.ws.MyServiceService.<init>(MyServiceService.java:37) at com.wave2.marketplace.importer.impl.adportal.MyWSTest.testConsumingTheWS(MyWSTest.java:22) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.io.IOException: Server returned HTTP response code: 401 for URL: http://localhost:8080/services/MyService?wsdl at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1269) at java.net.URL.openStream(URL.java:1029) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.createReader(RuntimeWSDLParser.java:793) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.resolveWSDL(RuntimeWSDLParser.java:251) at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(RuntimeWSDLParser.java:118) ... 26 more Having read this StackOverflow post, I have attempted to add the auth credentials to my request context, as follows: @Test public void testConsumingTheWS() throws Exception { URL wsdl = new URL("http://localhost:8080/services/MyService?wsdl"); MyServiceService provider = new MyServiceService(wsdl); // <-- Error occurs here MyService service = provider.getMyService(); BindingProvider binding = (BindingProvider)service; binding.getRequestContext().put(BindingProvider.USERNAME_PROPERTY, "username"); binding.getRequestContext().put(BindingProvider.PASSWORD_PROPERTY, "password"); Ping out = service.getPing(); assertNotNull(out); } However, as my in-line comment indicates, the error is occurring before the BindingProvider code is reached, so the error remains the same. I did have a read of this article and its follow-up, but so far I've had trouble determining how to go about adding the interceptor code without the use of Spring (this is for a JUnit test). How might I go about authenticating against this Web service?

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• Difficulty getting Saxon into XQuery mode instead of XSLT

  - by Rosarch

  I'm having difficulty getting XQuery to work. I downloaded Saxon-HE 9.2. It seems to only want to work with XSLT. When I type: java -jar saxon9he.jar I get back usage information for XSLT. When I use the command syntax for XQuery, it doesn't recognize the parameters (like -q), and gives XSLT usage information. Here are some command line interactions: >java -jar saxon9he.jar No source file name Saxon-HE 9.2.0.6J from Saxonica Usage: see http://www.saxonica.com/documentation/using-xsl/commandline.html Options: -a Use xml-stylesheet PI, not -xsl argument -c:filename Use compiled stylesheet from file -config:filename Use configuration file -cr:classname Use collection URI resolver class -dtd:on|off Validate using DTD -expand:on|off Expand defaults defined in schema/DTD -explain[:filename] Display compiled expression tree -ext:on|off Allow|Disallow external Java functions -im:modename Initial mode -ief:class;class;... List of integrated extension functions -it:template Initial template -l:on|off Line numbering for source document -m:classname Use message receiver class -now:dateTime Set currentDateTime -o:filename Output file or directory -opt:0..10 Set optimization level (0=none, 10=max) -or:classname Use OutputURIResolver class -outval:recover|fatal Handling of validation errors on result document -p:on|off Recognize URI query parameters -r:classname Use URIResolver class -repeat:N Repeat N times for performance measurement -s:filename Initial source document -sa Use schema-aware processing -strip:all|none|ignorable Strip whitespace text nodes -t Display version and timing information -T[:classname] Use TraceListener class -TJ Trace calls to external Java functions -tree:tiny|linked Select tree model -traceout:file|#null Destination for fn:trace() output -u Names are URLs not filenames -val:strict|lax Validate using schema -versionmsg:on|off Warn when using XSLT 1.0 stylesheet -warnings:silent|recover|fatal Handling of recoverable errors -x:classname Use specified SAX parser for source file -xi:on|off Expand XInclude on all documents -xmlversion:1.0|1.1 Version of XML to be handled -xsd:file;file.. Additional schema documents to be loaded -xsdversion:1.0|1.1 Version of XML Schema to be used -xsiloc:on|off Take note of xsi:schemaLocation -xsl:filename Stylesheet file -y:classname Use specified SAX parser for stylesheet --feature:value Set configuration feature (see FeatureKeys) -? Display this message param=value Set stylesheet string parameter +param=filename Set stylesheet document parameter ?param=expression Set stylesheet parameter using XPath !option=value Set serialization option >java -jar saxon9he.jar -q:"..\w3xQueryTut.xq" Unknown option -q:..\w3xQueryTut.xq Saxon-HE 9.2.0.6J from Saxonica Usage: see http://www.saxonica.com/documentation/using-xsl/commandline.html Options: -a Use xml-stylesheet PI, not -xsl argument // etc... >java net.sf.saxon.Query -q:"..\w3xQueryTut.xq" Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/saxon/Query Caused by: java.lang.ClassNotFoundException: net.sf.saxon.Query // etc... Could not find the main class: net.sf.saxon.Query. Program will exit. I'm probably making some stupid mistake. Do you know what it could be?

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• how to pass parameter to a webservice using ksoap2?

  - by user255681

  hi there, i'm using eclipse to develop over android, i'm trying to connect to a .net webservice... when i'm calling a webmethod with no parameters it works fine... but when i come to pass a parameter to the webmethod things turn upside down... the parameter is passed as null (while debugging the webservice i discovered that) and i get a null from the webmethod in the client side code... i've been searching for a solution for a day now and all that i can interpreter is that people keep talking about encoding styles and such stuff.... i've tried it all but in vain. i'm using ksoap2 version 2.3 with the following code package com.examples.hello; import org.ksoap2.SoapEnvelope; import org.ksoap2.serialization.PropertyInfo; import org.ksoap2.serialization.SoapObject; import org.ksoap2.serialization.SoapSerializationEnvelope; import org.ksoap2.transport.HttpTransportSE; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class HelloActivity extends Activity { /** Called when the activity is first created. */ private static final String SOAP_ACTION = "http://Innovation/HRService/stringBs"; private static final String METHOD_NAME = "stringBs"; private static final String NAMESPACE = "http://Innovation/HRService/"; private static final String URL = "http://196.205.5.170/mdl/hrservice.asmx"; TextView tv; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); tv=(TextView)findViewById(R.id.text1); call(); } public void call() { try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); //PropertyInfo PI = new PropertyInfo(); //request.addProperty("a", "myprop"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.setOutputSoapObject(request); envelope.dotNet=true; envelope.encodingStyle = SoapSerializationEnvelope.XSD; HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope); Object result = (Object)envelope.getResponse(); String results = result.toString(); tv.setText( ""+results); } catch (Exception e) { tv.setText(e.getMessage()); } } }

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