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  • Need help with strange Class#getResource() issue

    - by Andreas_D
    I have some legacy code that reads a configuration file from an existing jar, like: URL url = SomeClass.class.getResource("/configuration.properties"); // some more code here using url variable InputStream in = url.openStream(); Obviously it worked before but when I execute this code, the URL is valid but I get an IOException on the third line, saying it can't find the file. The url is something like "file:jar:c:/path/to/jar/somejar.jar!configuration.properties" so it doesn't look like a classpath issue - java knows pretty well where the file can be found.. The above code is part of an ant task and it fails while the task is executed. Strange enough - I copied the code and the jar file into a separate class and it works as expected, the properties file is readable. At some point I changed the code of the ant task to URL url = SomeClass.class.getResource("/configuration.properties"); // some more code here using url variable InputStream in = SomeClass.class.getResourceAsStream("/configuration.properties"); and now it works - just until it crashes in another class where a similiar access pattern is implemented.. Why could it have worked before, why does it fail now? The only difference I see at the moment is, that the old build was done with java 1.4 while I'm trying it with Java 6 now. Workaround Today I installed Java 1.4.2_19 on the build server and made ant to use it. To my totally frustrating surprise: The problem is gone. It looks to me, that java 1.4.2 can handle URLs of this type while Java 1.6 can't (at least in my context/environment). I'm still hoping for an explanation although I'm facing the work to rewrite parts of the code to use Class#getRessourceAsStream which behaved much more stable...

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  • Recommended way to develop using Jetty and Eclipse

    - by Ula Krukar
    Hi, I am currently developing a J2EE application and I would like to use Jetty. I would like to have iot integrated with Eclipse, so I could debug the appliaction. I've tried out couple of plugins (including WTP) but nothing works well enough. Run Jetty Run plugin is the best, but I cannot specify context-root in it, which makes it unusable for me. What would you recommend?

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  • How can I get valgrind to tell me the address of each non-freed block of memory?

    - by James
    Valgrind tells me function xxx allocated memory which was not freed. Fine. It's proving more difficult than usual to trace however. To this end I have created numerous: #ifdef DEBUG fprintf(stderr, "something happening:%lx\n", (unsigned long)ptr); #endif So I just need to match these ptr addresses that are displayed with the addresses of non-freed memory. How can I get valgrind to tell me the address of each non-freed block of memory?

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  • Configuring TeamCity + NUnit unit tests so files can be loaded properly

    - by Dave
    In a nutshell, I have a solution that builds fine in the IDE, and the unit tests all run fine with the NUnit GUI (via the NUnitit VS2008 plugin). However, when I execute my TeamCity build runner, all unit tests that require file access (e.g. for running tests against specific XML files), I just get System.IO.DirectoryNotFoundExceptions. The reason for this is clear: it's looking for those supporting XML files loaded by various unit tests in the wrong folder. The way my unit tests are structured looks like this: +-- project folder +-- unit tests folder +-- test.xml +-- test.cs +-- project file.xaml +-- project file.xaml.cs All of my projects own their own UnitTests folder, which contains the .cs file and any XML files, XML Schemas, etc that are necessary to run the tests. So when I write my test.cs, I have it look for "test.xml" in the code because they are in the same folder (actually, I do something like ....\unit tests\test.xml, but that's kind of silly). As I said before, the tests run great in NUnit. But that's because the unit tests are part of the project. When running the unit tests from TeamCity, I am executing them against the assemblies that get copied to the main app's output folder. These unit test XML files should not be copied willy-nilly to the output folder just to make the tests pass. Can anyone suggest a better method of organizing my unit tests in each project (which are dependencies for the main app), such that I can execute the unit tests from NUnit and from the TeamCity build runner? The only other option I can come up with is to just put the testing XML data in code, rather than loading it from a file. I would rather not do this.

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  • how to insert into database from stored procedure in log4net?

    - by Samreen
    I have to log thread context properties like this: string logFilePath = AppDomain.CurrentDomain.BaseDirectory + "log4netconfig.xml"; FileInfo finfo = new FileInfo(logFilePath); log4net.Config.XmlConfigurator.ConfigureAndWatch(finfo); ILog logger = LogManager.GetLogger("Exception.Logging"); log4net.ThreadContext.Properties["MESSAGE"] = exception.Message; log4net.ThreadContext.Properties["MODULE"] = "module1"; log4net.ThreadContext.Properties["COMPONENT"] = "component1"; logger.Debug("test"); and the configuration file is: <configuration> <configSections> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,Log4net"/> </configSections> <log4net> <logger name="Exception.Logging" level="Debug"> <appender-ref ref="AdoNetAppender"/> </logger> <appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender"> <connectionString value="Data Source=xe;User ID=test;Password=test;" /> <connectionType value="System.Data.OracleClient.OracleConnection, System.Data.OracleClient, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /> <bufferSize value="10000"/> <commandText value="Log_Exception_Pkg.Insert_Log" /> <commandType value="StoredProcedure" /> <parameter> <parameterName value="@p_Error_Message" /> <dbType value="String" /> <size value="255" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%property{MESSAGE}"/> </layout> </parameter> <parameter> <parameterName value="@p_Module" /> <dbType value="String" /> <size value="225" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%property{MODULE}"/> </layout> </parameter> <parameter> <parameterName value="@p_Component" /> <dbType value="String" /> <size value="225" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%property{COMPONENT}"/> </layout> </parameter> </appender> </log4net> </configuration> But its not inserting them in the database. How can I get that to work?

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  • Get the value of an attribute Jquery

    - by Abu Hamzah
    i am trying to get EmployeeId withitn the DOM something like this: var o = obj[$(this).attr("EmployeeId")]; but getting undefined when i debug i see the following: $(this)[0].data data "{EmployeeId: 'A42345'}" here is my source code: $.ajax({ type: "POST", url: url, data: "{EmployeeId: '" + id + "'}", contentType: "application/json; charset=utf-8", dataType: "json", success: function (response) { var obj = (typeof response.d) == 'string' ? eval('(' + response.d + ')') : response.d; var o = obj[$(this).attr("EmployeeId")]; //<<<<undefined

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  • Android/Java Append String + int

    - by xger86x
    Hi, i have a question, what is the best way to append ints and Strings to build a new String? In the allocation debug tool i see too much allocations if i use the operator +. But i have tried also with StringBuffer and there are still too much allocations. Anyone can help me? Thanks

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  • Unknown and unreproducible crash causes App Store rejection

    - by Daniel Johnson
    After submitting our application several times, we continue to receive the following response: Thank you for submitting My App to the App Store. We've reviewed your application and determined that we cannot post this version of your iPad application to the App Store because My App is crashing on iPad running iPhone OS 3.2 and Mac OS X 10.6.2. My App crashes upon launch. Unfortunately, crash logs have not been generated. However, resigning the same build with the AdHoc entitlements and loading the build onto the device yields no such crash. After a number of attempts, the application simply does not crash as reported by the reviewer. Furthermore, the reviewer does not provide any useful logging that may have been generated by SpringBoard such as an exit status or event if it had worked properly for any other device. There are no calls to explicitly exit or quit the application in the code line and yet the application terminates on startup. What might cause an application to terminate in such a manner? Under what conditions is an application tested that might not be found under a development environment? Could it be a result of a signing issue that the submission validation system is simply unable to catch? Thanks in advance.

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  • Could not load file or assembly or one of its dependencies. The located assembly's manifest definiti

    - by kp
    Hello, I changed some names of nameapces, assemblies in one of exsisting project(C# and ASP.NET). But when I try to debug it; I get this error. Could not load file or assembly 'HR' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040). I have replced DFI with HR in the code. Please help, Thank you

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  • How to test crontab entry?

    - by Mark
    I have an entry in my crontab that looks like this: 0 3 * * * pg_dump mydb | gzip > ~/backup/db/$(date +%Y-%m-%d).psql.gz That script works perfectly when I execute it from the shell, but it doesn't seem to be running every night. I'm assuming there's something wrong with the permissions, maybe crontab is running under a different user or something. How can I debug this? I'm a shared hosting environment (WebFaction).

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  • Creating a Linq->HQL provider

    - by Mike Q
    Hi all, I have a client application that connects to a server. The server uses hibernate for persistence and querying so it has a set of annotated hibernate objects for persistence. The client sends HQL queries to the server and gets responses back. The client has an auto-generated set of objects that match the server hibernate objects for query results and basic persistence. I would like to support using Linq to query as well as Hql as it makes the queries typesafe and quicker to build (no more typos in HQL string queries). I've looked around at the following but I can't see how to get them to fit with what I have. NHibernate's Linq provider - requires using NHibernate ISession and ISessionFactory, which I don't have LinqExtender - requires a lot of annotations on the objects and extending a base type, too invasive What I really want is something that will generate give me a nice easy to process structure to build the HQL queries from. I've read most of a 15 page article written by one of the C# developers on how to create custom providers and it's pretty fraught, mainly because of the complexity of the expression tree. Can anyone suggest an approach for implementing Linq - HQL translation? Perhaps a library that will the cleanup of the expression tree into something more SQL/HQLish. I would like to support select/from/where/group by/order by/joins. Not too worried about subqueries.

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  • iphone - debugging on device crashes immediately

    - by phil swenson
    When I try to debug my app on the iphone device, the splash screen shows and then the app crashes immediately. If I run the app in the simulator or on the device (not from XCode) it runs fine. I tried putting a breakpoint in the main method and it doesn't seem to hit it. There are no logs generated. ideas? suggestions?

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  • How to access 'private functions' in a singleton from another object inside it.

    - by Cedric Dugas
    I am currently trying to create a test suite for my javascript apps. My problem is that, it seems I cannot get access to init() from my utils object, as you can see below: I have my app that follow a singleton pattern: var appModal = function () { var utils = Object.create(moduleUtils); function init(caller, options ) { } }(); My test suite is in moduleUtils, this is a object literal converted to a prototype moduleUtils.debug = { addSlideTest : function(){ /* this function cannot fire init() from appModal */ }}

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  • change dojo namespace

    - by Robert
    I need to change the dojo namespace to something else. I found this stackoverflow post, but it refers to a dojo documentation page that no longer exists. Below is something I tried based on this page, but didn't work: <html <head <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/dojo/1.4/dojo/dojo.xd.js" djConfig="scopeMap: [[ 'dojo', 'newns' ]]"</script <script newns.addOnLoad(function(){ console.debug("hello world"); }); </script </head <body </body </html Help!

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  • Custom Swing component: questions on approach

    - by phatmanace
    Hi Folks, I'm trying to build a new java swing component, I realise that I might be able to find one that does what I need on the web, but this is partly an exercise for me to learn ow to do this. I want to build a swing component that represents a Gantt chart. it would be good (though not essential for people to be able to interact with it (e.g slide the the tasks around to adjust timings) it feels like the best approach for this is to subclass JComponent, and override PaintComponent() to 'draw a picture' of what the chart should look like, as opposed to doing something like trying to jam everything into a custom JTable. I've read a couple of books on the subject, and also looked at a few examples (most notably things like JXGraph) - but I'm curious about a few things When do I have to switch to using UI delegates, and when can I stick to just fiddling around in paintcomponent() to render what I want? if I want other swing components as sub-elements of my component (e.g I wanted a text box on my gantt chart) can I no longer use paintComponent()? can I arbitrarily position them within my Gantt chart, or do I have to use a normal swing layout manager many thanks in advance. -Ace

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  • VS2010 - Using <Import /> to share properties between setup projects?

    - by arex1337
    Why doesn't it work to <Import /> this file, when it works when I replace the statement with just copy-pasting the three properties? ../../Setup.Version.proj <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <InstallerMajorVersion>7</InstallerMajorVersion> <InstallerMinorVersion>7</InstallerMinorVersion> <InstallerBuildNumber>7</InstallerBuildNumber> </PropertyGroup> </Project> Works: <?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <InstallerMajorVersion>7</InstallerMajorVersion> <InstallerMinorVersion>7</InstallerMinorVersion> <InstallerBuildNumber>7</InstallerBuildNumber> <OutputName>asdf-$(InstallerMajorVersion).$(InstallerMinorVersion).$(InstallerBuildNumber)</OutputName> <OutputType>Package</OutputType> Doesn't work: <?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <Import Project="../../Setup.Version.proj" /> <PropertyGroup> <OutputName>asdf-$(InstallerMajorVersion).$(InstallerMinorVersion).$(InstallerBuildNumber)</OutputName> <OutputType>Package</OutputType> Here the variables just evaulate to empty strings... :( I'm certain the path to the imported project is correct.

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  • a free logging proxy anybody (HTTP or TCP)?

    - by zvolkov
    I need to debug a web service. I want to point my client app to the proxy URL and point the proxy to the real service URL and see all requests/responses. I know I could do network sniffing (Wireshark/Ethereal) but isn't there a simple "proxy" app that can do this? I found trivialproxy but the links are broken :(

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  • Are there good reasons not to use an ORM?

    - by hangy
    During my apprenticeship, I have used NHibernate for some smaller projects which I mostly coded and designed on my own. Now, before starting some bigger project, the discussion arose how to design data access and whether or not to use an ORM layer. As I am still in my apprenticeship and still consider myself a beginner in enterprise programming, I did not really try to push in my opinion, which is that using an object relational mapper to the database can ease development quite a lot. The other coders in the development team are much more experienced than me, so I think I will just do what they say. :-) However, I do not completely understand two of the main reasons for not using NHibernate or a similar project: One can just build one’s own data access objects with SQL queries and copy those queries out of Microsoft SQL Server Management Studio. Debugging an ORM can be hard. So, of course I could just build my data access layer with a lot of SELECTs etc, but here I miss the advantage of automatic joins, lazy-loading proxy classes and a lower maintenance effort if a table gets a new column or a column gets renamed. (Updating numerous SELECT, INSERT and UPDATE queries vs. updating the mapping config and possibly refactoring the business classes and DTOs.) Also, using NHibernate you can run into unforeseen problems if you do not know the framework very well. That could be, for example, trusting the Table.hbm.xml where you set a string’s length to be automatically validated. However, I can also imagine similar bugs in a “simple” SqlConnection query based data access layer. Finally, are those arguments mentioned above really a good reason not to utilise an ORM for a non-trivial database based enterprise application? Are there probably other arguments they/I might have missed? (I should probably add that I think this is like the first “big” .NET/C# based application which will require teamwork. Good practices, which are seen as pretty normal on Stack Overflow, such as unit testing or continuous integration, are non-existing here up to now.)

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  • Installing ExcelPackage with Visual Studio 2008 with C#

    - by Napoli
    I need to install the ExcelPackage library on Visual Studio 2008. The .zip file I downloaded from their website (http://excelpackage.codeplex.com) contains a .dll, a .xml file, a "GacReg.exe" and a file called ExcelPackage (with this description: "Program Debug Database"). What are the steps to installing this library, or any library in general? I appreciate the help.

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