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From "cocoon.erard" <cocoon.er...@besonet.ch>
Subject Re: how to start pipeline processing from dom element
Date Thu, 17 Nov 2005 22:04:50 GMT
thank you for the fast replies.

The version with the jx:template is working fine. 
If I try to start the pipleine with the xmodule, I receive somewhere a NullPointerException.

Did I something wrong?

flow:

var model		 = formGenerator.createFormModel(cocoon.parameters.enquiry)
    var template      = formGenerator.createFormTemplate(cocoon.parameters.enquiry);
    var form          = new Form(model);
    
    cocoon.releaseComponent(formGenerator);  
    cocoon.releaseComponent(facade);  
     
    form.showForm(cocoon.parameters.enquiry + ".enquiry", {"template" : template});

Pipeline:

<map:match pattern="*.enquiry">
  <map:aggregate element="document">
    <map:part src="cocoon:/info/{1}"/>
    <map:part src="cocoon:/header/{1}"/>
    <map:part src="cocoon:/menu/{1}"/>
    <map:part src="cocoon:/enquiry/{1}"/>
</map:aggregate>
					
<map:transform type="i18n">
  <map:parameter name="locale" value="{../locale}"/>
</map:transform>
<map:transform type="xalan" src="stylesheets/layout.xsl"/>
<map:transform type="forms"/>
<map:match pattern="enquiry/*">
...and more

<map:match pattern="enquiry/*">
   <map:generate type="jx" src="xmodule:flow-attr:template"/>                 
   <map:serialize type="xml"/>
</map:match>


regrettably the xmodule does not write any loggin, but perhabs you see the misstake. 

Thanks Mike

Here the exception:

org.apache.cocoon.ProcessingException: Failed to execute pipeline.: org.apache.cocoon.ProcessingException:
Failed to execute pipeline.: java.lang.NullPointerException
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:582)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:483)
	at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:120)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.handleCocoonRedirect(ConcreteTreeProcessor.java:298)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.access$000(ConcreteTreeProcessor.java:47)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor$TreeProcessorRedirector.cocoonRedirect(ConcreteTreeProcessor.java:339)
	at org.apache.cocoon.environment.ForwardRedirector.redirect(ForwardRedirector.java:59)
	at org.apache.cocoon.components.flow.AbstractInterpreter.forwardTo(AbstractInterpreter.java:209)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.forwardTo(FOM_JavaScriptInterpreter.java:894)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.forwardTo(FOM_Cocoon.java:698)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.jsFunction_sendPage(FOM_Cocoon.java:269)
	at inv4.invoke()
	at org.mozilla.javascript.FunctionObject.doInvoke(FunctionObject.java:523)
	at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:438)
	at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:1134)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:190)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:138)
	at org.mozilla.javascript.continuations.InterpretedFunctionImpl.call(InterpretedFunctionImpl.java:121)
	at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.callFunction(FOM_JavaScriptInterpreter.java:755)
	at org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:135)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:176)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:243)
	at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:176)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:243)
	at org.apache.cocoon.Cocoon.process(Cocoon.java:608)
	at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1123)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
	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:552)
Caused by: org.apache.cocoon.ProcessingException: Failed to execute pipeline.: java.lang.NullPointerException
	at org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:423)
	at org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:270)
	at org.apache.cocoon.sitemap.ContentAggregator.generate(ContentAggregator.java:125)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:575)
	... 80 more
org.apache.cocoon.ProcessingException: Failed to execute pipeline.: java.lang.NullPointerException
	at org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:423)
	at org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:270)
	at org.apache.cocoon.sitemap.ContentAggregator.generate(ContentAggregator.java:125)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:575)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:483)
	at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:120)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.handleCocoonRedirect(ConcreteTreeProcessor.java:298)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.access$000(ConcreteTreeProcessor.java:47)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor$TreeProcessorRedirector.cocoonRedirect(ConcreteTreeProcessor.java:339)
	at org.apache.cocoon.environment.ForwardRedirector.redirect(ForwardRedirector.java:59)
	at org.apache.cocoon.components.flow.AbstractInterpreter.forwardTo(AbstractInterpreter.java:209)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.forwardTo(FOM_JavaScriptInterpreter.java:894)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.forwardTo(FOM_Cocoon.java:698)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_Cocoon.jsFunction_sendPage(FOM_Cocoon.java:269)
	at inv4.invoke()
	at org.mozilla.javascript.FunctionObject.doInvoke(FunctionObject.java:523)
	at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:438)
	at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:1134)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:190)
	at org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(ContinuationInterpreter.java:138)
	at org.mozilla.javascript.continuations.InterpretedFunctionImpl.call(InterpretedFunctionImpl.java:121)
	at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
	at org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.callFunction(FOM_JavaScriptInterpreter.java:755)
	at org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:135)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:176)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:243)
	at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:46)
	at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:130)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:138)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:92)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:234)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:176)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:243)
	at org.apache.cocoon.Cocoon.process(Cocoon.java:608)
	at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1123)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
	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:552)

---------- Original Message ----------------------------------
From: Bruno Dumon <bruno@outerthought.org>
Reply-To: users@cocoon.apache.org
Date:  Wed, 16 Nov 2005 15:08:30 +0100

>On Wed, 2005-11-16 at 14:36 +0100, Askild Aaberg Olsen wrote:
>> cocoon.erard wrote:
>> 
>> >hello, 
>> >
>> >I've e dom Element and like to start the pipeline processing from
>> this Element. How can I do that? Do I have to write a Generator?
>> >
>> >Regards 
>> >
>> >Mike 
>> >
>> >  
>> >
>> If it's from flow, you can use pass the dom element to a jx-template 
>> generator like this:
>> 
>> In flow:
>> cocoon.sendPage("pipelineWithJX", {"domElement" : domElement})
>> 
>> In jx:
>> 
>> <jx:template 
>> xmlns:jx="http://apache.org/cocoon/templates/jx/1.0">#{domElement}</jx:template>
>
>Another option: start the pipeline with:
>
><map:generate src="xmodule:flow-attr:domElement"/>
>
>-- 
>Bruno Dumon                             http://outerthought.org/
>Outerthought - Open Source, Java & XML Competence Support Center
>bruno@outerthought.org                          bruno@apache.org
>
>
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>To unsubscribe, e-mail: users-unsubscribe@cocoon.apache.org
>For additional commands, e-mail: users-help@cocoon.apache.org
>
>
 


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