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https://issues.apache.org/jira/browse/AXIS2-2796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503866
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Oleg Ananiev commented on AXIS2-2796:
-------------------------------------
I have tried to run the same code with Axiom 1.2.4 and Axis 1.1.1 and got the
same error. Using both Axis 1.1.1 and Axiom 1.2.2 solves the problem. It might
be the case that the problem is in Axiom.
> NullPointerException in ADB serialization of optional attribute
> ---------------------------------------------------------------
>
> Key: AXIS2-2796
> URL: https://issues.apache.org/jira/browse/AXIS2-2796
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: adb
> Affects Versions: 1.2
> Environment: WinXP, Sun JDK 1.4.2_13, WebLogic 8.1.6
> Reporter: Oleg Ananiev
> Priority: Blocker
> Attachments: jira.zip
>
>
> I have a complex type in WSDL with attribute marked as use="optional". I am
> using ADB serialization, "contract-first" - I generate Java from WSDL using
> WSDL2Java. When I do not set this attribute explicitly in my service (its
> value is null), I am getting NullPointerException. When this attribute is
> populated, everything works ok
> I am porting my app from Axis2 1.1.1 to 1.2. I have re-generated all my Java
> "stubs" using WSDL2Java 1.2. Apart of that, no code changes were done. Same
> code/WSDL works fine with 1.1.1
> The exception originates with the following stack trace:
> doWriteAttr():468, com.ctc.wstx.sw.BaseNsStreamWriter
> writeAttribute():230, com.ctc.wstx.sw.BaseNsStreamWriter
> writeAttribute():134, org.apache.axiom.om.impl.MTOMXMLStreamWriter
> serializeStartpart():385, org.apache.axiom.om.impl.util.OMSerializerUtil
> serializeStartpart():168, org.apache.axiom.om.impl.util.OMSerializerUtil
> internalSerialize():762, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():750, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():766, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():564, org.apache.axiom.om.impl.llom.OMSourcedElementImpl
> internalSerialize():750, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():554, org.apache.axiom.om.impl.llom.OMSourcedElementImpl
> internalSerialize():766, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():750, org.apache.axiom.om.impl.llom.OMElementImpl
> internalSerialize():207, org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl
> internalSerialize():750, org.apache.axiom.om.impl.llom.OMElementImpl
> serialize():342, org.apache.axiom.om.impl.llom.OMNodeImpl
> toString():907, org.apache.axiom.om.impl.llom.OMElementImpl
> invoke():98, org.apache.axis2.handlers.soapmonitor.SOAPMonitorHandler
> invoke():383, org.apache.axis2.engine.Phase
> invoke():203, org.apache.axis2.engine.AxisEngine
> send():433, org.apache.axis2.engine.AxisEngine
> receive():48, org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver
> receive():144, org.apache.axis2.engine.AxisEngine
> processHTTPPostRequest():279,
> org.apache.axis2.transport.http.HTTPTransportUtils
> doPost():116, org.apache.axis2.transport.http.AxisServlet
> service():760, javax.servlet.http.HttpServlet
> service():853, javax.servlet.http.HttpServlet
> run():1077, weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction
> invokeServlet():465, weblogic.servlet.internal.ServletStubImpl
> doFilter():28, weblogic.servlet.internal.TailFilter
> doFilter():27, weblogic.servlet.internal.FilterChainImpl
> doFilter():216, com.planetj.servlet.filter.compression.CompressingFilter
> doFilter():27, weblogic.servlet.internal.FilterChainImpl
> run():7053,
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction
> doAs():321, weblogic.security.acl.internal.AuthenticatedSubject
> runAs():121, weblogic.security.service.SecurityManager
> invokeServlet():3902, weblogic.servlet.internal.WebAppServletContext
> execute():2773, weblogic.servlet.internal.ServletRequestImpl
> execute():224, weblogic.kernel.ExecuteThread
> run():183, weblogic.kernel.ExecuteThread
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