Language Exception at Runtime by the attempt to compile a random XSP

[Sebastian Wenzky <sw...@krypthonas.de>]

Hi there,
at my topic you have a first imagination about my current (very hard) 
problem.

But at fist, my enumeration of my software components:

- Cocoon 2.18
- JBoss (Version 4) -> Tomcat.

Indeed, i have no explanation, for my confuse problem and i don´t know, 
what kind of state occures that.
Normally, when cocoon starts at first time there are no problems. I can 
go, visit different pages (which will be correctly compiled) and so on...
But sometimes later the error occurs suddenly, without any real 
worthwhile exception message to me.

But the tracer in cocoon said to me following text(an excerpt):
================================================================================================
ERROR (2007-03-10) 07:44.24:308 [sitemap.handled-errors] 
(/jobapp3/content/fhj/user.xsp$user-search$meta-html)
TP-Processor8/ErrorHandlerHelper: Language Exception 
org.apache.cocoon.ProcessingException: Language Exception:
org.apache.cocoon.components.language.LanguageException: Error compiling 
user_xsp:
ERROR 1 (org/apache/cocoon/www/docs/content/user_xsp.java):
...
"name",
"name",
"CDATA",
"pst_id"
// start error (lines 1044-1044) "Syntax error, insert ")" to complete 
Expression"
);
// end error

this.contentHandler.startElement(
"http://apache.org/xsp/request/2.0",
...
ERROR 2 (org/apache/cocoon/www/docs/content/user_xsp.java):
...
"get-parameter",
"xsp-request:get-parameter"
);
// start error (lines 1063-1063) "Syntax error on token ")", delete this 
token"
);
// end error
if ( pstID != null )
{


...
Line 1044, column 0: Syntax error, insert ")" to complete Expression
Line 1063, column 0: Syntax error on token ")", delete this token
at 
org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.loadProgram(ProgramGeneratorImpl.java:409)
at 
org.apache.cocoon.components.language.generator.ProgramGeneratorImpl.load(ProgramGeneratorImpl.java:280)
at 
org.apache.cocoon.generation.ServerPagesGenerator.setup(ServerPagesGenerator.java:170)
at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:385)
at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:620)
at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:503)
at 
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:455)
at 
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:120)
at 
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:68)
at 
org.apache.cocoon.components.treeprocessor.sitemap.SwitchSelectNode.invoke(SwitchSelectNode.java:103)
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.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:853)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at 
org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
at java.lang.Thread.run(Thread.java:534)

================================================================================================

Once i´ve already said this, that this error occurs at a different XSP 
as before. Why ever.
Futhuermore, as soon as this error appears, it seems to be that cocoon 
will turn off his intern compiler, so that following XSP Sites which was 
at this time still not visit(and so not compiled!) can not compiled by 
cocoon anymore until cocoon restarts.

I don´t know, what this is, but i still believe, its possibly that this 
error can be a bug of cocoon.

Can anyone help ?

Best Regards
Sebastian Wenzky

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