On Wed, Feb 25, 2009 at 4:33 PM, Kapish Aggarwal <[email protected]>wrote:
> I have hit an unusual EmptyStackException in TuscanyXMLStreamReader. I > am having problems debugging the issue since any actions I take to > gather further information seems to resolve the problem (connecting a > debugger, attempting to produce more detailed logs from execution). > The following is the relevant stack trace I am hitting. My guess, > since I can't reliably recreate the problem, is that there is a timing > issue with multiple threads using the same stack, but can't seem to > verify it. Does anyone familiar with the code have some thoughts? > > Kapish Aggarwal > > java.util.EmptyStackException > at java.util.Stack.pop(Stack.java:80) > at > org.apache.tuscany.sca.contribution.processor.TuscanyXMLStreamReader.popContext(TuscanyXMLStreamReader.java:73) > at > org.apache.tuscany.sca.contribution.processor.TuscanyXMLStreamReader.next(TuscanyXMLStreamReader.java:85) > at > org.apache.tuscany.sca.contribution.processor.ValidatingXMLStreamReader.next(ValidatingXMLStreamReader.java:148) > at > org.apache.tuscany.sca.assembly.xml.CompositeProcessor.read(CompositeProcessor.java:598) > at > org.apache.tuscany.sca.assembly.xml.CompositeProcessor.read(CompositeProcessor.java:91) > at > org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint$LazyStAXArtifactProcessor.read(DefaultStAXArtifactProcessorExtensionPoint.java:360) > at > org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor.read(ExtensibleStAXArtifactProcessor.java:152) > at > org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor.read(CompositeDocumentProcessor.java:151) > at > org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor.read(CompositeDocumentProcessor.java:118) > at > org.apache.tuscany.sca.assembly.xml.CompositeDocumentProcessor.read(CompositeDocumentProcessor.java:57) > at > org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor.read(ExtensibleURLArtifactProcessor.java:96) > at > org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.processReadPhase(ContributionServiceImpl.java:536) > at > org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.addContribution(ContributionServiceImpl.java:387) > at > org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.contribute(ContributionServiceImpl.java:189) > Hi Kapish Are there any particular environmental conditions in play here. Does it always happen for you regardless of which test you run? Is it dependent on the composite that's being read? Simon
