>
> Because of a bug in serializer? Xalan catches NPE and re-throws it
> loosing stacktrace. Catch original NPE and see where it is thrown; IMHO
> it is coming from hssf serializer.
Hello Vadim,
this is the whole stacktrace, does it help?
org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
java.lang.RuntimeException: java.lang.NullPointerException
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:283)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(Abs
tractProcessingPipeline.java:490)
at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(Seri
alizeNode.java:120)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:49)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:126)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:101)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:336)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:277)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNod
e.java:103)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:49)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:126)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:101)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:336)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:277)
at org.apache.cocoon.Cocoon.process(Cocoon.java:639)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1098)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.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(StandardValveContex
t.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.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(StandardValveContex
t.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$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
at
org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3407)
at
org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerH
andlerImpl.java:433)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer
.java:549)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.transformation.AbstractSAXTransformer.endDocument(Abstract
SAXTransformer.java:279)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.generation.JXTemplateGenerator.execute(JXTemplateGenerator
.java:3230)
at
org.apache.cocoon.generation.JXTemplateGenerator.performGeneration(JXTemplat
eGenerator.java:2979)
at
org.apache.cocoon.generation.JXTemplateGenerator$TransformerAdapter$Template
Consumer.endDocument(JXTemplateGenerator.java:2742)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:67)
at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatc
h(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.excalibur.xml.impl.JaxpParser.parse(JaxpParser.java:296)
at org.apache.excalibur.xml.impl.JaxpParser.parse(JaxpParser.java:315)
at
org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:252)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:116)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:260)
... 46 more
java.lang.RuntimeException: java.lang.NullPointerException
at
org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3407)
at
org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerH
andlerImpl.java:433)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer
.java:549)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.transformation.AbstractSAXTransformer.endDocument(Abstract
SAXTransformer.java:279)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.generation.JXTemplateGenerator.execute(JXTemplateGenerator
.java:3230)
at
org.apache.cocoon.generation.JXTemplateGenerator.performGeneration(JXTemplat
eGenerator.java:2979)
at
org.apache.cocoon.generation.JXTemplateGenerator$TransformerAdapter$Template
Consumer.endDocument(JXTemplateGenerator.java:2742)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:56)
at
org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:67)
at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatc
h(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.excalibur.xml.impl.JaxpParser.parse(JaxpParser.java:296)
at org.apache.excalibur.xml.impl.JaxpParser.parse(JaxpParser.java:315)
at
org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:252)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:116)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:260)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(Abs
tractProcessingPipeline.java:490)
at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(Seri
alizeNode.java:120)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:49)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:126)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:101)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:336)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:277)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNod
e.java:103)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:49)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:126)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:72)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:101)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:336)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:277)
at org.apache.cocoon.Cocoon.process(Cocoon.java:639)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1098)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.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(StandardValveContex
t.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117
)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.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(StandardValveContex
t.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$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
at java.lang.Thread.run(Thread.java:534)
