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WOWebserviceClient: invalid argument
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WOWebserviceClient: invalid argument

  • Subject: WOWebserviceClient: invalid argument
  • From: Kristof Cossement <email@hidden>
  • Date: Thu, 16 Jul 2009 18:18:17 +0200
Hi, does someone have a solution for this problem ?


I have a recurring problem in WO 5.4 with WOWebserviceClient.invoke:


sometimes we get an exception on WOWebServiceClient.invoke

private static WOWebServiceClient caller = ...;


Object [] oo = new Object [] {"aa","bb"};
Object result = caller.invoke("Service","getUserForID", oo);

and 5 seconds later, the invoke can work again, with exact the same arguments.


Our WO applications is multithreaded and a lot of threads will use the caller object to access differernt functions of a webservice (a WebObjects webservice)

Can it be that WOWebserviceClient is not thread safe and that accessing it simultaneously causes this error ?


The reason I made caller static is to save time to not have to instantiate a new WOWebServiceClient object each time I want to make a service call.


Is there any source code available of WOWebServiceClient.java ?


Thanks for your collaboration !



Kristof


16/07/2009 15:32:54:106 [ERROR] <WorkerThread9> Exception(Message: Exception trying to invoke operation: getUserForID, Cause:java.net.SocketException: Invalid argument)
com.webobjects.foundation.NSForwardException [org.apache.axis.AxisFault] ; nested exception is: 
java.net.SocketException: Invalid argument:Exception trying to invoke operation: getUserForID
at com.webobjects.webservices.client.WOWebServiceClient.invoke(WOWebServiceClient.java:491)
at be.nss.correctvit.service.PortalClient.getUserInfoForID(PortalClient.java:182)
at be.nss.correctvit.database.SQLGenerator.selectCorrectVitDocuments(SQLGenerator.java:455)
at be.nss.correctvit.service.WOSOAPCorrectvitFunctions.getCorrectVitDocuments(WOSOAPCorrectvitFunctions.java:177)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
at com.webobjects.appserver._private.WOWebService.performActionNamed(WOWebService.java:437)
at com.webobjects.appserver._private.WOActionRequestHandler._handleRequest(WOActionRequestHandler.java:259)
at com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:161)
at com.webobjects.appserver._private.WOWebServiceRequestHandler.handleRequest(WOWebServiceRequestHandler.java:109)
at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
at be.nss.correctvit.Application.dispatchRequest(Application.java:792)
at com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
at com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.net.SocketException: Invalid argument
at org.apache.axis.AxisFault.makeFault(AxisFault.java:101)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:154)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at com.webobjects.webservices.client.WOWebServiceClient.invoke(WOWebServiceClient.java:484)
... 23 more
Caused by: java.net.SocketException: Invalid argument
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:235)
at org.apache.axis.transport.http.HTTPSender.readHeadersFromSocket(HTTPSender.java:583)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:143)
... 33 more

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