Error while uploading File using DataHandler

Wed, 24 Jun 2009 08:56:24 -0700 

Hello!

I work with Axis 1.4.1 and Tomcat 5.5.
In the service there is a method which is used to upload image-data to the server using javax.activation.DataHandler. I generated a ClientStub using the eclipse-built-in "Create new Webservice-Client" and communicate successfully with 
other methods from the service.
When I want to upload an image i get the following Exception on the serverside: 
----
ERROR 2009-06-24 17:37:34,491 [http-8180-Processor25] (RPCMessageReceiver.java:160) - 
java.lang.IllegalArgumentException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun .reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39) at sun .reflect .DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25) 
        at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java: 194) at org .apache .axis2 .rpc .receivers .RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102) at org .apache .axis2 .receivers .AbstractInOutMessageReceiver .invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) at org .apache .axis2 .receivers .AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100) 
        at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
at org .apache .axis2 .transport .http .HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:133) 
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org .apache .catalina .core .ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 269) at org .apache .catalina .core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org .apache .catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 213) at org .apache .catalina.core.StandardContextValve.invoke(StandardContextValve.java: 172) at org .apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: 127) at org .apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 117) at org .apache .catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: 151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: 874) at org.apache.coyote.http11.Http11BaseProtocol $Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org .apache .tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org .apache .tomcat .util .net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java: 81) at org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.java:689) 
        at java.lang.Thread.run(Thread.java:619)
ERROR 2009-06-24 17:37:34,496 [http-8180-Processor25] (AxisEngine.java: 212) - 
org.apache.axis2.AxisFault
        at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
at org .apache .axis2 .rpc .receivers .RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:161) at org .apache .axis2 .receivers .AbstractInOutMessageReceiver .invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) at org .apache .axis2 .receivers .AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100) 
        at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
at org .apache .axis2 .transport .http .HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:133) 
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org .apache .catalina .core .ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 269) at org .apache .catalina .core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org .apache .catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 213) at org .apache .catalina.core.StandardContextValve.invoke(StandardContextValve.java: 172) at org .apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: 127) at org .apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 117) at org .apache .catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: 151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: 874) at org.apache.coyote.http11.Http11BaseProtocol $Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org .apache .tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org .apache .tomcat .util .net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java: 81) at org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.java:689) 
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalArgumentException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun .reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39) at sun .reflect .DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25) 
        at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java: 194) at org .apache .axis2 .rpc .receivers .RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102) 
        ... 21 more
-------

I activated MTOM and SwA in the axis2.conf.

The serverside-method for the upload looks like this:

-----------
public static String writePicture(String path, int auctionid, DataHandler data){ 
                // create dirs if neccessary
                File fh = new File(imagePath+path);
                boolean folders = false;
                if(!fh.isDirectory()){
                        folders = fh.mkdirs();
                }else folders = true;
                
                // get mimetype-mapping
                String ext = getFileExtension(data.getContentType());
                
                if(folders && fh.canWrite() && !ext.equals(null)){
                        try{
                                new File(imagePath+path+"/"+auctionid).mkdir();
                                String name = 
HashGenerator.getHash(data.getName());
File outFile = new File(imagePath+path+"/"+auctionid+"/"+name +"."+ext); 
                                FileOutputStream fos = new 
FileOutputStream(outFile);
                                data.writeTo(fos);
                                fos.flush();
                                fos.close();
ServiceContainer.getLogger().info("File "+imagePath+path +"/"+auctionid+"/"+name+"."+ext+" created"); 
                                
                                // generate Thumbnails
                                generateThumbnails(path, auctionid, 
(name+"."+ext));
                                
                                return name+"."+ext;
                        }catch (NoSuchAlgorithmException e) {
ServiceContainer.getLogger().error("Could not retrieve HashAlgorithm", e); 
                        }catch (IOException e){
ServiceContainer.getLogger().error("Could not work on file "+imagePath+path+"/"+auctionid+"/"+data.getName(), e); 
                        }
                }
                
                return null;
        }
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As the Exception-Stack isn't really meaninful to me, i can't find the origin of it. 
I hope you can help me out.

Thanks alot!

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