java.lang.IllegalStateException: Pipeline has already been processed for this request

Mon, 27 Aug 2007 02:31:44 -0700 

Hi,

I've a Problem with Flowscript and Continuitation.

I use Cocoon 2.1.10 and Tomcat 5.5.23 !

sitemap:

<map:flow language="javascript">
 <map:script src="birt.js"/>
</map:flow>

<map:match pattern="report/*.cont">
  <map:call continuation="{1}"/>
</map:match>

<map:match pattern="report/*">
  <map:call function="report">
    <map:parameter name="formname" value="{1}"/>
</map:call>
</map:match>

Flowscript:

cocoon.load("resource://org/apache/cocoon/forms/flow/javascript/Form.js");

function report() {

 var formname = cocoon.parameters["formname"];

 var form = new Form("cocoon:/forms/"+formname);

 form.showForm("templates/"+formname);

 cocoon.sendPage("birt/html/"+formname);
}
I can call http://localhost:8080/cocoon/mytool/report/testreport a couple of times without any error, and then it begins to return the following error message: 

An error has occured
java.lang.IllegalStateException: Pipeline has already been processed for this request 

Cocoon stacktrace[hide]
Sitemap: error calling function 'report'
context://myreader/sitemap.xmap - 99:35    <map:call>
context://sitemap.xmap - 1034:92    <map:mount>

Java stacktrace[hide]
java.lang.IllegalStateException: Pipeline has already been processed for this request at org.apache.cocoon.components.flow.AbstractInterpreter.forwardTo(AbstractInterpreter.java:206) at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.forwardTo(FOM_JavaScriptInterpreter.java:863) at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.forwardTo(FOM_Cocoon.java:699) at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.jsFunction_sendPage(FOM_Cocoon.java:270) 
   at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
   at java.lang.reflect.Method.invoke(Method.java:585)
   at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:145)
   at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:471)
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.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.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118) 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 javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) 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:870) 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:685) 
   at java.lang.Thread.run(Thread.java:595)

Java full stacktrace[hide]
org.apache.cocoon.ProcessingException: Sitemap: error calling function 'report' at <map:call> - file:/opt/tomcat/webapps/cocoon/myreader/sitemap.xmap:99:35 
   at <map:mount> - file:/opt/tomcat/webapps/cocoon/sitemap.xmap:1034:92
at org.apache.cocoon.ProcessingException.throwLocated(ProcessingException.java:113) at org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:141) 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.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118) 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 javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) 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:870) 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:685) 
   at java.lang.Thread.run(Thread.java:595)
Caused by: org.mozilla.javascript.WrappedException: Wrapped java.lang.IllegalStateException: Pipeline has already been processed for this request (file:/opt/tomcat/webapps/cocoon/myreader/birt.js#14) at org.mozilla.javascript.Context.throwAsScriptRuntimeEx(Context.java:1693) 
   at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:160)
   at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:471)
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) 
   ... 36 more
Caused by: java.lang.IllegalStateException: Pipeline has already been processed for this request at org.apache.cocoon.components.flow.AbstractInterpreter.forwardTo(AbstractInterpreter.java:206) at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.forwardTo(FOM_JavaScriptInterpreter.java:863) at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.forwardTo(FOM_Cocoon.java:699) at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.jsFunction_sendPage(FOM_Cocoon.java:270) 
   at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
   at java.lang.reflect.Method.invoke(Method.java:585)
   at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:145)
   ... 46 more


Just a restart of the Tomcat Application Server solves the Problem.

--
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Michael Roth                           email [EMAIL PROTECTED]
Certified Project Management Associate http://www.zid.tuwien.ac.at/michael_roth/
Zentraler Informatikdienst (ZID)       Tel. (++43-1) 588 01 - 42091
Technische Universitaet Wien           Fax. (++43-1) 588 01 - 42099
Wiedner Hauptstr. 8-10, A-1040 Wien


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