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Hallo,
I am trying to transform an xml source to wml, but
I am getting this Error, can anyone help me please:
type fatal message null description java.lang.NullPointerException sender org.apache.cocoon.servlet.CocoonServlet source Cocoon servlet stack-trace java.lang.NullPointerException at java.util.Hashtable.remove(Hashtable.java:431) at org.apache.excalibur.store.impl.MRUMemoryStore.remove(MRUMemoryStore.java:217) at org.apache.cocoon.caching.impl.CacheImpl.remove(CacheImpl.java:140) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.validatePipeline(AbstractCachingProcessingPipeline.java:497) at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:545) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:497) at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:463) at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:148) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84) at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:164) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108) at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108) at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:317) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:299) at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:134) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:84) at org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:164) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108) at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153) at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:108) at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:317) at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:299) at org.apache.cocoon.Cocoon.process(Cocoon.java:600) at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1104) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:194) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:490) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:996) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:490) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:996) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2570) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:490) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:996) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:490) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:996) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:546) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:593) at java.lang.Thread.run(Thread.java:536) request-uri /cocoon/workshop-wml path-info workshop-wml |
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