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From "Milinda Lakmal Pathirage (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AXIS2-4517) AxisServlet error. NullPointerException and StackOverflowError
Date Tue, 21 Dec 2010 14:46:02 GMT

     [ https://issues.apache.org/jira/browse/AXIS2-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Milinda Lakmal Pathirage resolved AXIS2-4517.
---------------------------------------------

    Resolution: Fixed

Fixed in the trunk by synchronizing AxisService#printDefinitionObject.

> AxisServlet error. NullPointerException and StackOverflowError
> --------------------------------------------------------------
>
>                 Key: AXIS2-4517
>                 URL: https://issues.apache.org/jira/browse/AXIS2-4517
>             Project: Axis2
>          Issue Type: Bug
>          Components: transports
>    Affects Versions: nightly
>         Environment: FreeBSD 6.2, Diablo JDK 1.5, Tomcat 6.0.14
>            Reporter: Maslakov Denis
>            Assignee: Milinda Lakmal Pathirage
>            Priority: Critical
>         Attachments: AxisService.java
>
>
> We experienced this problem with Axis2 running under Tomcat 6 with many concurrent users
above 1000.
> The transport is an org.apache.axis2.transport.http.AxisServletListener (http).
> The error:
> 05.10.2009 23:46:15 org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet AxisServlet threw exception
> java.lang.NullPointerException
>         at com.sun.org.apache.xerces.internal.dom.ParentNode.nodeListItem(ParentNode.java:814)
>         at com.sun.org.apache.xerces.internal.dom.ParentNode.item(ParentNode.java:828)
>         at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source)
>         at com.ibm.wsdl.util.xml.DOM2Writer.serializeAsXML(Unknown Source)
>         at com.ibm.wsdl.extensions.schema.SchemaSerializer.marshall(Unknown Source)
>         at com.ibm.wsdl.xml.WSDLWriterImpl.printExtensibilityElements(Unknown Source)
>         at com.ibm.wsdl.xml.WSDLWriterImpl.printTypes(Unknown Source)
>         at com.ibm.wsdl.xml.WSDLWriterImpl.printDefinition(Unknown Source)
>         at com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source)
>         at com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source)
>         at org.apache.axis2.description.AxisService.printDefinitionObject(AxisService.java:1065)
>         at org.apache.axis2.description.AxisService.printUserWSDL(AxisService.java:1084)
>         at org.apache.axis2.description.AxisService.printWSDL(AxisService.java:1360)
>         at org.apache.axis2.transport.http.ListingAgent.processListService(ListingAgent.java:211)
>         at org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:259)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
>         at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:419)
>         at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:394)
>         at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1508)
>         at java.lang.Thread.run(Thread.java:595)
> follow error:
> 05.10.2009 23:58:17 org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet AxisServlet threw exception
> java.lang.StackOverflowError
>         at java.util.Hashtable.get(Hashtable.java:339)
>         at com.ibm.wsdl.util.ObjectRegistry.lookup(Unknown Source)
>         at com.ibm.wsdl.util.ObjectRegistry.lookup(Unknown Source)
>         at com.ibm.wsdl.util.ObjectRegistry.lookup(Unknown Source)
>         - // -

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