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https://issues.apache.org/jira/browse/CXF-2512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793352#action_12793352
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Daniel Kulp commented on CXF-2512:
----------------------------------
I'm tempted to resolve this as "not much we can do here". It's pretty much
working as designed. On the normal out chain, we really cannot determine what
the cause of the fault is to take any time of appropriate action. You could
look for an IOException, but that's not really correct either cause if an
interceptor calls off to something else (like to validate a SAML token) and
that fails due to an IOException, it would pretty much look the same to the
PhaseInterceptorChain.
Basically, if the PIC gets a fault, it need to at least attempt to write it
out. If that fails, we really do need to log it so the admin know a fault
wasn't able to be sent back.
The ONLY thing I can think of that MIGHT work would be for the HttpDestination
to wrapper the raw OutputStream with a wrapper that would catch/record/rethrow
any IOException on the actual writes to the underlying stream. If there is a
failure, during the fault write, just swallow any faults that would be thrown.
Not sure how well that would work.
> Faults while writing cause problems
> -----------------------------------
>
> Key: CXF-2512
> URL: https://issues.apache.org/jira/browse/CXF-2512
> Project: CXF
> Issue Type: Bug
> Affects Versions: 2.3
> Reporter: Benson Margulies
> Priority: Minor
>
> This backtrace shows that someone is trying to create a fault after the
> process of writing the response has started. This cannot be good. I'll attach
> more as I debug more.
> Nov 1, 2009 6:37:13 AM
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean
> buildServiceFromClass
> INFO: Creating Service
> {http://fortest.javascript.cxf.apache.org/}AegisService from class
> org.apache.cxf.javascript.fortest.AegisService
> Nov 1, 2009 6:37:14 AM org.apache.cxf.endpoint.ServerImpl initDestination
> INFO: Setting the server's publish address to be http://localhost:8808/aegis
> Nov 1, 2009 6:37:14 AM org.mortbay.log.Slf4jLog info
> INFO: Logging to org.slf4j.impl.JDK14LoggerAdapter(org.mortbay.log) via
> org.mortbay.log.Slf4jLog
> Nov 1, 2009 6:37:14 AM org.mortbay.log.Slf4jLog info
> INFO: jetty-6.1.21
> Nov 1, 2009 6:37:14 AM org.mortbay.log.Slf4jLog info
> INFO: Started selectchannelconnec...@localhost:8808
> Nov 1, 2009 6:37:21 AM org.apache.cxf.javascript.AegisTest acceptAny
> INFO: About to call acceptAny with Raw XMLhttp://localhost:8808/aegis
> Nov 1, 2009 6:37:28 AM org.apache.cxf.phase.PhaseInterceptorChain doIntercept
> WARNING: Interceptor has thrown exception, unwinding now
> org.apache.cxf.binding.soap.SoapFault: Error writing to XMLStreamWriter.
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:282)
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:1)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:76)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:109)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:312)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:276)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: com.ctc.wstx.exc.WstxIOException: null
> at
> com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1431)
> at
> com.ctc.wstx.sw.BaseStreamWriter.writeEndDocument(BaseStreamWriter.java:553)
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:277)
> ... 19 more
> Caused by: org.mortbay.jetty.EofException
> at
> org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:631)
> at
> org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:579)
> at
> org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:46)
> at com.ctc.wstx.io.UTF8Writer.flush(UTF8Writer.java:100)
> at com.ctc.wstx.sw.BufferingXmlWriter.flush(BufferingXmlWriter.java:225)
> at com.ctc.wstx.sw.BufferingXmlWriter.close(BufferingXmlWriter.java:198)
> at
> com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1429)
> ... 21 more
> Nov 1, 2009 6:37:28 AM
> org.apache.cxf.binding.soap.interceptor.Soap11FaultOutInterceptor$Soap11FaultOutInterceptorInternal
> handleMessage
> WARNING: Error writing to XMLStreamWriter.
> javax.xml.stream.XMLStreamException: Trying to output second root,
> <soap:Fault>
> at
> com.ctc.wstx.sw.BaseStreamWriter.throwOutputError(BaseStreamWriter.java:1547)
> at
> com.ctc.wstx.sw.BaseStreamWriter.throwOutputError(BaseStreamWriter.java:1554)
> at
> com.ctc.wstx.sw.BaseStreamWriter.reportNwfStructure(BaseStreamWriter.java:1582)
> at
> com.ctc.wstx.sw.BaseNsStreamWriter.checkStartElement(BaseNsStreamWriter.java:465)
> at
> com.ctc.wstx.sw.SimpleNsStreamWriter.writeStartOrEmpty(SimpleNsStreamWriter.java:252)
> at
> com.ctc.wstx.sw.BaseNsStreamWriter.writeStartElement(BaseNsStreamWriter.java:313)
> at
> org.apache.cxf.binding.soap.interceptor.Soap11FaultOutInterceptor$Soap11FaultOutInterceptorInternal.handleMessage(Soap11FaultOutInterceptor.java:78)
> at
> org.apache.cxf.binding.soap.interceptor.Soap11FaultOutInterceptor$Soap11FaultOutInterceptorInternal.handleMessage(Soap11FaultOutInterceptor.java:1)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:96)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:284)
> at
> org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:76)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:109)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:312)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:276)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Nov 1, 2009 6:37:28 AM org.apache.cxf.phase.PhaseInterceptorChain doIntercept
> WARNING: Interceptor has thrown exception, unwinding now
> org.apache.cxf.binding.soap.SoapFault: Error writing to XMLStreamWriter.
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:282)
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:1)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:76)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:109)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:312)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:276)
> at
> org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: com.ctc.wstx.exc.WstxIOException: null
> at
> com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1431)
> at
> com.ctc.wstx.sw.BaseStreamWriter.writeEndDocument(BaseStreamWriter.java:553)
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$SoapOutEndingInterceptor.handleMessage(SoapOutInterceptor.java:277)
> ... 19 more
> Caused by: org.mortbay.jetty.EofException
> at
> org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:631)
> at
> org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:579)
> at
> org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:46)
> at com.ctc.wstx.io.UTF8Writer.flush(UTF8Writer.java:100)
> at com.ctc.wstx.sw.BufferingXmlWriter.flush(BufferingXmlWriter.java:225)
> at com.ctc.wstx.sw.BufferingXmlWriter.close(BufferingXmlWriter.java:198)
> at
> com.ctc.wstx.sw.BaseStreamWriter._finishDocument(BaseStreamWriter.java:1429)
> ... 21 more
> Nov 1, 2009 6:37:28 AM
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean
> buildServiceFromClass
> INFO: Creating Service
> {http://fortest.javascript.cxf.apache.org/}AegisService from class
> org.apache.cxf.javascript.fortest.AegisService
> Nov 1, 2009 6:37:28 AM org.apache.cxf.endpoint.ServerImpl initDestination
> INFO: Setting the server's publish address to be http://localhost:8808/aegis
> Nov 1, 2009 6:37:28 AM org.mortbay.log.Slf4jLog info
> INFO: jetty-6.1.21
> Nov 1, 2009 6:37:28 AM org.mortbay.log.Slf4jLog info
> INFO: Started selectchannelconnec...@localhost:8808
> Nov 1, 2009 6:37:29 AM org.apache.cxf.javascript.AegisTest acceptAnyTyped
> INFO: About to call acceptAny with Raw XML and
> xsi:typehttp://localhost:8808/aegis
> Nov 1, 2009 6:37:29 AM
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean
> buildServiceFromClass
> INFO: Creating Service
> {http://fortest.javascript.cxf.apache.org/}AegisService from class
> org.apache.cxf.javascript.fortest.AegisService
> Nov 1, 2009 6:37:29 AM org.apache.cxf.endpoint.ServerImpl initDestination
> INFO: Setting the server's publish address to be http://localhost:8808/aegis
> Nov 1, 2009 6:37:29 AM org.mortbay.log.Slf4jLog info
> INFO: jetty-6.1.21
> Nov 1, 2009 6:37:29 AM org.mortbay.log.Slf4jLog info
> INFO: Started selectchannelconnec...@localhost:8808
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