looks like a synchronization issue. check your code is threadsafe where
things are shared between threads. On request is propably overriding
datas while another is reading them.
Roberts, Gerallt a écrit :
> Hello,
>
>
>
> I have a web application that processes files, which has been working
> fine, however when it is put under a heavy load there is an occasional
> failure. I have managed to recreate the error by sending 128 documents
> at it in a serial fission, and I usually get 1 failure. Unfortunately
> there is no log of the actual error, but I do get
> "org.xml.sax.SAXParseException: XML document structures must start and
> end within the same entity" on the client.
>
>
>
> Can anyone suggest what the cause might be?
>
> The environment is:
>
> Tomcat 5.0.25
>
> axis 1.1
>
> xerces 1.4.4
>
>
>
> The, access log has the following entry, the third line is the failure,
> I think the first "500" is the internal server error, the second number
> is always "500" which suggest the cause is the same despite it's
> intermittent nature.
>
>
>
> 199.196.51.54 - - [07/Mar/2007:15:54:13 +0000] "POST
> /fdkservices/services/FdkWatermark HTTP/1.0" 200 18244
>
> 199.196.51.54 - - [07/Mar/2007:15:54:20 +0000] "POST
> /fdkservices/services/FdkWatermark HTTP/1.0" 200 18247
>
> 199.196.51.54 - - [07/Mar/2007:15:54:25 +0000] "POST
> /fdkservices/services/FdkWatermark HTTP/1.0" 500 500
>
> 199.196.51.54 - - [07/Mar/2007:15:54:37 +0000] "POST
> /fdkservices/services/FdkWatermark HTTP/1.0" 200 18249
>
> 199.196.51.54 - - [07/Mar/2007:15:54:43 +0000] "POST
> /fdkservices/services/FdkWatermark HTTP/1.0" 200 18244
>
>
>
> With logging set to debug mode I get the following error, I am hoping
> this is familiar to someone.
>
>
>
> AxisFault
>
> faultCode:
> {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
> <http://schemas.xmlsoap.org/soap/envelope/%7dServer.userException>
>
> faultSubcode:
>
> faultString: org.xml.sax.SAXParseException: XML document structures
> must start and end within the same entity.
>
> faultActor:
>
> faultNode:
>
> faultDetail:
>
> {http://xml.apache.org/axis/}stackTrace
> <http://xml.apache.org/axis/%7dstackTrace> :
> org.xml.sax.SAXParseException: XML document structures must start and
> end within the same entity.
>
> at
> org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unkno
> wn Source)
>
> at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown
> Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.endEntity(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.scanContent(Unknown
> Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanContent(Unknow
> n Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
> patcher.dispatch(Unknown Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
> wn 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 javax.xml.parsers.SAXParser.parse(Unknown Source)
>
> at
> org.apache.axis.encoding.DeserializationContextImpl.parse(Deserializatio
> nContextImpl.java:242)
>
> at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
>
> at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
>
> at org.apache.axis.server.AxisServer.invoke(AxisServer.java:318)
>
> at
> org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:854)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> at
> org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.j
> ava:339)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tionFilterChain.java:237)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erChain.java:157)
>
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
> e.java:214)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCon
> textValve.java:198)
>
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
> e.java:152)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
> :137)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
> :117)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:102)
>
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:535
> )
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:102)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
> java:109)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> 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:79
> 3)
>
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
> onnection(Http11Protocol.java:702)
>
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57
> 1)
>
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
> .java:644)
>
> at java.lang.Thread.run(Unknown Source)
>
>
>
>
>
> org.xml.sax.SAXParseException: XML document structures must start and
> end within the same entity.
>
> at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
>
> at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:543)
>
> at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
>
> at org.apache.axis.server.AxisServer.invoke(AxisServer.java:318)
>
> at
> org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:854)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> at
> org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.j
> ava:339)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tionFilterChain.java:237)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erChain.java:157)
>
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
> e.java:214)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCon
> textValve.java:198)
>
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
> e.java:152)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
> :137)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
> :117)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:102)
>
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:535
> )
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:102)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
> java:109)
>
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
> ntext.java:104)
>
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
> 20)
>
> 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:79
> 3)
>
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
> onnection(Http11Protocol.java:702)
>
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57
> 1)
>
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
> .java:644)
>
> at java.lang.Thread.run(Unknown Source)
>
> Caused by: org.xml.sax.SAXParseException: XML document structures must
> start and end within the same entity.
>
> at
> org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unkno
> wn Source)
>
> at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown
> Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.endEntity(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown
> Source)
>
> at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
>
> at org.apache.xerces.impl.XMLEntityScanner.scanContent(Unknown
> Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanContent(Unknow
> n Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
> patcher.dispatch(Unknown Source)
>
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
> wn 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 javax.xml.parsers.SAXParser.parse(Unknown Source)
>
> at
> org.apache.axis.encoding.DeserializationContextImpl.parse(Deserializatio
> nContextImpl.java:242)
>
> at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
>
> ... 32 more
>
>
>
>
>
> Thank you for any help
>
> Gerallt
>
>
>
>
>
>
>
>
>
> This email may contain material that is confidential, privileged and/or
> attorney work product for the sole use of the intended recipient. Any review,
> reliance or distribution by others or forwarding without express permission
> is strictly prohibited. If you are not the intended recipient, please contact
> the sender and delete all copies.
>
>
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