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  • Axis2 attachments are vanishing in the response

    - by Shamik
    I am using axis2 to come up with a basic web service which will get the file name as parameter and produces a response SOAP packet which will have the file attached along with the SOAP. Here is the way I am creating the service code (its simple and inspired by Axis2 sample code) public String getFile(String name) throws IOException { MessageContext msgCtx = MessageContext.getCurrentMessageContext(); File file = new File (name); System.out.println("File = " + name); System.out.println("File exists = " + file.exists()); FileDataSource fileDataSource = new FileDataSource(file); System.out.println("fileDataSource = " + fileDataSource); DataHandler dataHandler = new DataHandler(fileDataSource); System.out.println("DataHandler = " + dataHandler); String attachmentID = msgCtx.addAttachment(dataHandler); System.out.println("attachment ID = " + attachmentID); return attachmentID; } Now The client side code - MessageContext response = mepClient .getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE); SOAPBody body = response.getEnvelope().getBody(); OMElement element = body.getFirstElement().getFirstChildWithName( new QName("http://service.soapwithattachments.sample","return")); String attachementId = element.getText(); System.out.println("attachment id is " + attachementId); Attachments attachment = response.getAttachmentMap(); DataHandler dataHandler = attachment.getDataHandler(attachementId); Problem is that dataHandler is always null. Though I think at the server side, the file was read and attached along with the SOAP packet. Am I doing something wrong ? EDIT : I have put <parameter name="enableSwA" locked="false">true</parameter> in the axis2.xml file.

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  • Mapping parent-child relationships with iBatis

    - by agnul
    I have the classic setup public class Parent { Integer id; ... // No generics Collection someCollectionAttribute; ... public void setChildren(Collection c) { ... } } public class Child { Integer id; ... } and I'm trying to map this on the usual table setup using iBatis (version 2.30... don't ask). create table parents ( ID integer primary key ... ) create table children ( ID integer primary key PARENT_ID integer references parents(id) ... ) My mapping file looks like this <resultMap id="ParentResult" groupBy="id"> <result property="id" column="ID" /> ... <result property="children" resultMap="ChildResult" /> </resultMap> <resultMap id="ChildResult"> <result property="id" column="ID" /> <result property="parentId" column="PARENT_ID" /> ... </result> <sql id="loadParent" resultMap="ParentResult"> select P.ID as p1, ..., C.ID as c1, C.PARENT_ID as c2 ... from parents P join children C on (P.ID = C.PARENT_ID) where P.ID = #id# order by P.ID </sql> Doing the usual sqlMap.queryForObject("loadParent", new Integer(42)) at first caused a NullPointerException inside the setChildren setter which apparently is called with a null argument (my bad). Fixing the setter everything works fine, but the logs show that setChildren is called only once before even running a single SQL statement, still with a null argument, so I'm wondering what's going on here. Anyone has any clues?

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  • Hibernates generates VARBINARY column with JPA @Enumerated annotation

    - by tran
    Hibernates is generating a VARBINARY column with JPA @Enumerated annotation. I'm using SQL Server 2005 w/ JTDS driver. The mapping is dirt simple: @Basic @Enumerated(EnumType.ORDINAL) private MyEnum foo; I would have expected Hibernate to generate an integer column? I've also tried EnumType.STRING (expecting a varchar column) with no success. Note that my app works fine; the column type makes it hard to inspect the DB, and to issue adhoc SQL when poking at the database.

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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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  • Android ListView appears empty, but contains objects

    - by Lethjakman
    I'm having a really odd problem with my android listview. The listview is inside of a fragment, everything's compiling and I'm no longer getting a nullpointer error, but the listview is appearing empty. Even though it's appearing empty, the log is stating that the listview has 385 objects. I can't figure out why it's empty. I do get a blue fragment, and the listview is populated. Any ideas? How I set the adapter: ActivePackages = getList(); LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE); LinearLayout mContainer = (LinearLayout) inflater.inflate(R.layout.tab_frag1_layout, null); ListView activeList = (ListView) mContainer.findViewById(R.id.activelist); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, ActivePackages); Log.i("valueof activeList",String.valueOf(activeList.getCount())); //returns 0 activeList.setAdapter(adapter); adapter.notifyDataSetChanged(); Log.i("valueof activeList",String.valueOf(activeList.getCount())); //returns 385. This is the xml for the fragment: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <ListView android:id="@+id/activelist" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#0073fd"> </ListView> </LinearLayout>

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  • Nice name for `decorator' class?

    - by Lajos Nagy
    I would like to separate the API I'm working on into two sections: 'bare-bones' and 'cushy'. The idea is that all method calls in the 'cushy' section could be expressed in terms of the ones in the 'bare-bones' section, that is, they would only serve as convenience methods for the quick-and-dirty. The reason I would like to do this is that very often when people are beginning to use an API for the first time, they are not interested in details and performance: they just want to get it working. Anybody tried anything similar before? I'm particularly interested in naming conventions and organizing the code.

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  • Texture loading at joGL

    - by Nour
    hi I've been trying to load a bmp picture to use it as a texture at my program I've used a IOstream Class to extend DataInputStream to read the pixels at the photo with this code "based on a texture loader code for c++ " : //class Data members public static int BMPtextures[]; public static int BMPtexCount = 30; public static int currentTextureID = 0; //loading methode static int loadBMPTexture(int index, String fileName, GL gl) { try { IOStream wdis = new IOStream(fileName); wdis.skipBytes(18); int width = wdis.readIntW(); int height = wdis.readIntW(); wdis.skipBytes(28); byte buf[] = new byte[wdis.available()]; wdis.read(buf); wdis.close(); gl.glBindTexture(GL.GL_TEXTURE_2D, BMPtextures[index]); gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, 3, width, height, 0, GL.GL_BGR, GL.GL_UNSIGNED_BYTE, buf); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); currentTextureID = index; return currentTextureID; } catch (IOException ex) { // Utils.msgBox("File Error\n" + fileName, "Error", Utils.MSG_WARN); return -1; } } and IOStream code : public class IOStream extends DataInputStream { public IOStream(String file) throws FileNotFoundException { super(new FileInputStream(file)); } public short readShortW() throws IOException { return (short)(readUnsignedByte() + readUnsignedByte() * 256); } public int readIntW() throws IOException { return readShortW() + readShortW() * 256 * 256; } void read(Buffer[] buf) { } } and the calling: GTexture.loadBMPTexture(1,"/BasicJOGL/src/basicjogl/data/Font.bmp",gl); after debugging I figured out that when it come to this line : IOStream wdis = new IOStream(fileName); an IOExeption occurred and it's a dispatchException .. what this impose to mean ?? and how can I solve it ? by the way i tried to : 1- use \ and \ and / and // 2- change the path of the photo and take all the path from c:\ to the photoname.bmp 3- rename the photo using numbers like 1.bmp but nothing seems to work :(

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  • Introducing Ajax support in a MyFaces (JSF) + Tomahawk application

    - by Abel Morelos
    Hi, we have a project we we are using MyFaces + Tomahawk, recently I have been requested to provide enhancements to many of the existing screens by using AJAX and provide functionality such as partial refresh. As I see, Tomahawk's components don't have special support for Ajax, so it may be a lot of work to hack Tomahawk in order to use Ajax. Now, I have seen that there are other frameworks such as Trinidad, ajax4jsf, RichFaces, etc. I'm specially interested in Trinidad since it is also a MyFaces project and it has built-in Ajax support, but I'm not still convinced about Trinidad since the other frameworks also have very promising features. Considering that I have a MyFaces+Tomahawk application, what move would you suggest to take in order to introduce Ajax support? Hack with Tomahawk or directly with JSF/MyFaces? Use Trinidad? Use/Add a different framework? Thanks.

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  • Simple Xml list parsing problem

    - by Hubidubi
    I have this xml: <root> <fruitlist> <apple>4</apple> <apple>5</apple> <orange>2</orange> <orange>6</orange> </fruitlist> </root> I'm writing a parser class, although I can't figure out how to deal with multiple node types. I can easily parse a list that contains only one node type (eg. just apples, not oranges) @ElementList(name = "fruitlist") private List<Apple> exercises; with more than one node type it also wants so parse non Apple nodes which doesn't work. I also tried to make another list for oranges, but it doen't work, I can't use fruitlist name more than once. @ElementList(name = "fruitlist", entry = "orange") private List<Orange> exercises; The ideal would be two seperate list for both node types. Hubi EDIT: After more searching & fiddling this question is a duplicate: Inheritance with Simple XML Framework

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  • What is the performance hit of enabling sessions on Google App Engine?

    - by Spines
    What is the performance hit of enabling sessions on the Google App Engine? I just turned on <sessions-enabled>true</sessions-enabled> in my Google App Engine app and now my requests are consistently using 100 more ms of CPU time than before I enabled it. It also makes the user wait an additional 100ms for the server to respond on each request. This seems to be quite a significant cost, I'm not even calling getSession or using it in any way yet and it still adds this extra latency. Is there something I can do to speed this up?

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  • What causes a JRE 6 JVM code cache leak?

    - by Arturo Knight
    Since switching to JRE 6, my server's code cache usage (non-heap) keeps growing indefinitely. My application creates a lot of classes at runtime, BUT these classes are successfully unloaded during the GC process. I can see these classes getting unloaded in the gc logs and also the permGen usage stays constant. I specifically make sure in my code that these classes are orphaned once I am finished with them and so they correctly get garbage collected from permGen. The code cache however keeps growing. I only became aware of the code cache after switching to JRE 6. So I guess my questions are: Does GC include the code cache? What could cause a code cache memory leak, specifically. Is there a bug in JDK 6 in this area?

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  • JSON array deserialization is crashing the Dalvik VM

    - by Sam
    I have some code grabbing a JSON array from my server and initially storing it as a string. This all works fine until I try and deserialize it using google's gson fromJson method. LogCat spits out the error: 04-08 17:46:35.163: ERROR/dalvikvm(401): Can't shrink stack: curFrame is in reserved area (0x41049000 0x410491c4) My code that causes the error is: String[] results = gson.fromJson(returnString, String[].class); Can anyone shed some light on what I am doing wrong? Cheers, Sam

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  • Outside classes accessing package-private methods

    - by Jake
    Suppose I have a class in my package org.jake and it has a method with default access (no modifier). Then the method is visible inside the package only. However, when someone receives the jar of my framework, what is to stop them from writing a new class, declaring its package as org.jake, and using my supposedly invisible method? In other words, is there anything I can do to prevent them from doing that?

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  • After Filter redirects to login.jsp, proper servlet doesnt get called

    - by gnomeguru
    My simple project structure is shown in this link. I am using Eclipse and Tomcat 6. There is login.jsp which submits its form to login_servlet. The login_servlet sets a session variable and then redirects to home.jsp. The home.jsp file has links to the 4 JSP files under a directory called /sam. In web.xml I have given the url-pattern as /sam/* for the LogFiler filter. The LogFilter just reads the session variable and does doChain(request,resposne) if valid, else it redirects to /login.jsp. RequestDispatcher rd = request.getRequestDispatcher("/login.jsp"); rd.forward(request,response); Basically I don't want anyone to access files inside /sam directory directly. Now let's say, I try to directly access a file inside /sam directory, the filter kicks in and the redirection to login.jsp works and even the broswers contents are that of login.jsp, but the url in the browser doesn't change. When I enter details and press submit, instead of sending the data to login_servlet, it sends it to sam/login_servlet and then tomcat tells me there is no such servlet here! Obviously there isn't. My doubt is why is it sending it so sam/login_servlet instead of /login_servlet which is usually what it does when I start running the login.jsp on my own. One more thing, is there a way I can apply the servlet to ONLY .jsp files inside /sam diectory? I tried giving the url-pattern like /sam/*.jsp, but Tomcat was refusing to accept that url-pattern.

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  • MinGW GCJ libiconv path problem

    - by Hussain
    I'm having a problem with the MinGW implementation of GCJ. I read that you have to install libiconv before you can use it. However, the documentation wasn't very specific, and it did not say where to extract the binaries and developer files (libiconv-bin and libiconv-lib). I have tried the following paths: $p = c:\mingw $p\libiconv-1.9.2-1-[bin|lib]\ $p\libiconv-[bin|lib]\ $p\mingw32\libiconv-1.9.2-1-[bin|lib] $p\mingw32[bin|lib]\libiconv $p\mingw[bin|lib]\liconv $p\bin\libiconv-1.9.2-1-[bin|lib] $p\bin\libiconv-[bin|lib] None of these work. Any help on where I'm supposed to put the libiconv files?

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  • Problem with implementing removeAll for List of custom object

    - by Jay
    Hello everyone, I have a scenario in my code where I need to compare two Lists and remove from the first list, objects which are present in the second list. Akin to how the "removeAll" object works for List. Since my List is created on a custom object, the removeAll method won't work for me. I have tried various methods to make this work: - implemented equals() and hashCode for the custom object comprising the list - implemented the Comparable Interface for the custom object - implemented the Comparator Interface for the custom object I've even tried using the Apache Common's CollectionUtils and ListUtils methods (subtract, intersect, removeAll). None seem to work. I understand I will perhaps need to write some custom removal code. But not sure how to go about doing that. Any pointers helping me move in the right direction will be really appreciated. Thanks, Jay

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  • FindBugs not accepting bcel.jar in ANT script

    - by deltaball
    I installed findbugs into my ant lib directory and added the following code into my main ANT script: <target name="findbugs" depends="init"> <findbugs home="C:\\findbugs\\" output="html outputFile="C:\\findbugs\\out.html" jvmargs="-Xms512M"> <sourcePath path="${messageaggregator.src}" /> <class location="${messageaggregator.src}"/> </findbugs> </target> The following xml is called within the init target: <taskdef name="findbugs" classname="edu.umd.cs.findbugs.anttask.FindBugsTask"> On running the ANT script, all I get is the following output: findbugs: [findbugs] Executing findbugs from ant task [findbugs] Running FindBugs... [findbugs] BCEL class compatability error. [findbugs] The version of class org.apache.bcel.generic.ObjectType found was not compatible with [findbugs] FindBugs. Please remove any BCEL libraries that may be interfering. This may happen [findbugs] if you have an old version of BCEL or a library that includes an old version of BCEL [findbugs] in an "endorsed" directory. [findbugs] Output saved to C:\\findbugs\\out.html Why is findbugs not working?

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  • Collection.contains(Enum.Value) in HQL?

    - by Seth
    I'm a little confused about how to do something in HQL. So let's say I have a class Foo that I'm persisting in hibernate. It contains a set of enum values, like so: public class Foo { @CollectionOfElements private Set<Bar> barSet = new HashSet<Bar>(); //getters and setters here ... } and public enum Bar { A, B } Is there an HQL statement I can use to fetch only Foo instances who'se barSet containst Bar.B? List foos = session.createQuery("from Foo as foo " + "where foo.barSet.contains.Bar.B").list(); Or am I stuck fetching all Foo instances and filtering them out at the DAO level? List foos = session.createQuery("from Foo as foo").list(); List results = new ArrayList(); for(Foo f : foos) { if(f.barSet.contains(Bar.B)) results.add(f); } Thanks!

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  • question on GWT and dockpanel , sizing and resizing

    - by molleman
    Hello guys, question on dock panels within gwt So i want the dockpanel to take up the whole size of the browser window dockPanel.setSize("100%", "100%"); if this correct Next Question, i am going to add a north panel , that will be 100px high and take up the whole width of the browser topPanel.setSize("100%", "100px"); dockPanel.add(topPanel, DockPanel.NORTH); is this correct, then i want to add a west panel that is 200px wide and the whole length of the browser up to just under the north panel westSideStackPanel.setSize("200px","100%") mainPanel.add(westSideStackPanel,DockPanel.WEST); i have created all this but when i look at my dockpanel there is a big gap between the west panel and the north panel the whole way accross the screen. why would this be? The north panel stays at 100px, and then there is a gap of about 100px high the whole width of the screen.

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  • Reusing a PreparedStatement multiple times

    - by Steel Plume
    Hello, in the case of using PreparedStatement with a single common connection without any pool, can I recreate an instance for every dml/sql operation mantaining the power of prepared statements? I mean: for (int i=0; i<1000; i++) { PreparedStatement preparedStatement = connection.prepareStatement(sql); preparedStatement.setObject(1, someValue); preparedStatement.executeQuery(); preparedStatement.close(); } instead of: PreparedStatement preparedStatement = connection.prepareStatement(sql); for (int i=0; i<1000; i++) { preparedStatement.clearParameters(); preparedStatement.setObject(1, someValue); preparedStatement.executeQuery(); } preparedStatement.close(); my question arises by the fact that I want to put this code into a multithreaded environment, can you give me some advice? thanks

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