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From "Milinda Lakmal Pathirage (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AXIS2-3276) Null pointer exception while doing wsdl get using useOriginalWsdl option. Reason : underlying definitiion is not threadsafe
Date Tue, 21 Dec 2010 14:46:07 GMT

     [ https://issues.apache.org/jira/browse/AXIS2-3276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Milinda Lakmal Pathirage resolved AXIS2-3276.
---------------------------------------------

       Resolution: Fixed
    Fix Version/s: nightly

Fixed in the trunk by synchronizing AxisService#printDefinitionObject.

> Null pointer exception while doing wsdl get using useOriginalWsdl option. Reason : underlying
definitiion is not threadsafe
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AXIS2-3276
>                 URL: https://issues.apache.org/jira/browse/AXIS2-3276
>             Project: Axis2
>          Issue Type: Bug
>          Components: wsdl
>    Affects Versions: 1.2
>         Environment: HP UX
>            Reporter: Haneef Ali
>            Assignee: Milinda Lakmal Pathirage
>            Priority: Critical
>             Fix For: nightly
>
>
> I'm seeing Nullpointer exception during wsdl fetch.   My webservice is created using
"useOriginalWSDL=true" option.
> This happens only during concurrent access. It can be easily  reproduced by  creating
a JMeter test for  http get with 5 thread. BTW I'm using Axis 1.2
>  From google search the reason for this seems to be  
> " This is because the WSDL handling system reuses javax.wsdl.Definition objects across
threads, which are not thread safe, because they internally use DOM elements."
> References
>  
> http://jira.jboss.com/jira/browse/JBWS-419;jsessionid=AA4270C1E4896751CF
> 2440D7C6696706
>  http://www.mail-archive.com/j-dev@xerces.apache.org/msg01292.html
> java.lang.NullPointerException
>         at org.apache.xerces.dom.ParentNode.nodeListItem(Unknown Source)
>         at org.apache.xerces.dom.ParentNode.item(Unknown Source)
>         at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source)
>         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.printWSDL(AxisService.java:848)
>         at
> org.apache.axis2.transport.http.ListingAgent.processListService(ListingA
> gent.java:221)
>         at
> org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:225)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
>         at
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(St
> ubSecurityHelper.java:223)
>         at
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityH
> elper.java:125)
>         at
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:2
> 83)
>         at
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:1
> 75)
>         at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.r
> un(WebAppServletContext.java:3245)
>         at
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSu
> bject.java:321)
>         at
> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121
> )
>         at
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServ
> letContext.java:2003)
>         at
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletCont
> ext.java:1909) 
>  

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