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From Harald Entner <harald.ent...@gmx.at>
Subject NullPointerException in AbstractWidgetDefinitionBuilder
Date Thu, 17 Jan 2008 10:45:39 GMT
Hi Everyone,

In normal mode everything runs fine. But when running a jmeter test with 
40 concurrent users, the AbstractWidgetDefinitionBuilder throws a 
NullPointerException. see the full stacktrace at (1)

java.lang.NullPointerException
    at 
org.apache.cocoon.forms.formmodel.AbstractWidgetDefinitionBuilder.setupDefinition(AbstractWidgetDefinitionBuilder.java:109)
(... see 1)

Probably the reason for this error is that the function

public WidgetDefinition buildWidgetDefinition(Element widgetElement, 
WidgetDefinitionBuilderContext context)
    throws Exception {
   
it is not thread-save.

I tried the same test with a little modification (buildWidgetDefinition 
is synchronized)

 public synchronized WidgetDefinition buildWidgetDefinition(Element 
widgetElement, WidgetDefinitionBuilderContext context)
    throws Exception {

The error (1) doesn't occur anymore, but another one: (see 2) It seems 
that the cause for this is very similar to the one above.

Has one of you seen this error when running a stress test? What could i 
do to avoid that problem? (i could go on and modify this function to 
synchronized as well, but hopefully there is a better solution for this. )

Stacktraces:

(2)

java.lang.NullPointerException
         at 
org.apache.cocoon.forms.formmodel.WidgetDefinitionBuilderContext.<init>(    
.java:36)
         at 
org.apache.cocoon.forms.formmodel.AbstractContainerDefinitionBuilder.setupContainer(AbstractContainerDefinitionBuilder.java:48)
         at 
org.apache.cocoon.forms.formmodel.FormDefinitionBuilder.buildWidgetDefinition(FormDefinitionBuilder.java:63)
         at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:220)
         at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:206)
         at 
org.apache.cocoon.forms.DefaultFormManager.createForm(DefaultFormManager.java:150)
         at sun.reflect.GeneratedMethodAccessor252.invoke(Unknown Source)
         at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:145)
         at 
org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:204)
         at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
         at 
org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
         at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
         at 
org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2172)
         at 
org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:257)
         at 
org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
         at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
         at 
org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
         at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
         at 
org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:340)
         at 
org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:2758)
         at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:159)
         at 
org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:915)
         at 
org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.callFunction(FOM_JavaScriptInterpreter.java:767)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:139)
         at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:139)
         at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:139)
         at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
         at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
         at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
         at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
         at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
         at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
         at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:253)
         at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
         at 
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
         at at.workflow.webdesk.Webdesk.service(Webdesk.java:97)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at 
org.apache.cocoon.servlet.ParanoidCocoonServlet.service(ParanoidCocoonServlet.java:317)
         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
         at 
at.workflow.webdesk.tools.filters.GZIPFilter.doFilter(GZIPFilter.java:31)
         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
         at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
         at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at 
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
         at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
         at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
         at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
         at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
         at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
         at java.lang.Thread.run(Thread.java:534)


(1)
java.lang.NullPointerException
    at 
org.apache.cocoon.forms.formmodel.AbstractWidgetDefinitionBuilder.setupDefinition(AbstractWidgetDefinitionBuilder.java:109)
    at 
org.apache.cocoon.forms.formmodel.AbstractDatatypeWidgetDefinitionBuilder.setupDefinition(AbstractDatatypeWidgetDefinitionBuilder.java:53)
    at 
org.apache.cocoon.forms.formmodel.AbstractDatatypeWidgetDefinitionBuilder.setupDefinition(AbstractDatatypeWidgetDefinitionBuilder.java:46)
    at 
org.apache.cocoon.forms.formmodel.FieldDefinitionBuilder.setupDefinition(FieldDefinitionBuilder.java:39)
    at 
org.apache.cocoon.forms.formmodel.FieldDefinitionBuilder.buildWidgetDefinition(FieldDefinitionBuilder.java:33)
    at 
org.apache.cocoon.forms.formmodel.AbstractWidgetDefinitionBuilder.buildWidgetDefinition(AbstractWidgetDefinitionBuilder.java:91)
    at 
org.apache.cocoon.forms.formmodel.AbstractWidgetDefinitionBuilder.buildAnotherWidgetDefinition(AbstractWidgetDefinitionBuilder.java:178)
    at 
org.apache.cocoon.forms.formmodel.AbstractContainerDefinitionBuilder.setupContainer(AbstractContainerDefinitionBuilder.java:63)
    at 
org.apache.cocoon.forms.formmodel.FormDefinitionBuilder.buildWidgetDefinition(FormDefinitionBuilder.java:63)
    at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:220)
    at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:206)
    at 
org.apache.cocoon.forms.DefaultFormManager.createForm(DefaultFormManager.java:150)
    at sun.reflect.GeneratedMethodAccessor222.invoke(Unknown Source)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:145)
    at 
org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:204)
    at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
    at 
org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2172)
    at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:257)
    at 
org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
    at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
    at 
org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:340)
    at 
org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:2758)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:159)
    at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:915)
    at 
org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.callFunction(FOM_JavaScriptInterpreter.java:762)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:139)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:139)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
    at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
    at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
    at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:253)
    at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
    at 
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
    at at.workflow.webdesk.Webdesk.service(Webdesk.java:95)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at 
org.apache.cocoon.servlet.ParanoidCocoonServlet.service(ParanoidCocoonServlet.java:317)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at 
at.workflow.webdesk.tools.filters.GZIPFilter.doFilter(GZIPFilter.java:31)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
    at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)
ERROR : JavaException: java.lang.NullPointerException: null - 
at.workflow.webdesk.ta.actions.doBooking [2008-01-15 16:41:00,578]
java.lang.NullPointerException
    at 
org.apache.cocoon.forms.formmodel.AbstractWidgetDefinitionBuilder.setupDefinition(AbstractWidgetDefinitionBuilder.java:109)
    at 
org.apache.cocoon.forms.formmodel.FormDefinitionBuilder.buildWidgetDefinition(FormDefinitionBuilder.java:60)
    at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:220)
    at 
org.apache.cocoon.forms.DefaultFormManager.createFormDefinition(DefaultFormManager.java:206)
    at 
org.apache.cocoon.forms.DefaultFormManager.createForm(DefaultFormManager.java:150)
    at sun.reflect.GeneratedMethodAccessor222.invoke(Unknown Source)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:145)
    at 
org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:204)
    at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
    at 
org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2172)
    at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:257)
    at 
org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:127)
    at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3085)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2251)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:161)
    at 
org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:340)
    at 
org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:2758)
    at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:159)
    at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:915)
    at 
org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.callFunction(FOM_JavaScriptInterpreter.java:762)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:139)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:139)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
    at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
    at 
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
    at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:235)
    at 
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:177)
    at 
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:253)
    at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
    at 
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1154)
    at at.workflow.webdesk.Webdesk.service(Webdesk.java:95)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at 
org.apache.cocoon.servlet.ParanoidCocoonServlet.service(ParanoidCocoonServlet.java:317)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at 
at.workflow.webdesk.tools.filters.GZIPFilter.doFilter(GZIPFilter.java:31)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at 
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at 
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
    at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)

thanks in advance
--
harald



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