NPE throws when invoking a service which returns multidimentional array
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Key: WSAS-728
URL: https://wso2.org/jira/browse/WSAS-728
Project: WSO2 WSAS
Issue Type: Bug
Affects Versions: 2.2
Environment: winxp, jdk5
Reporter: Charitha Kankanamge
Assignee: Afkham Azeez
Priority: Critical
Attachments: Multidimensionalservice.aar
Following exception throws when invoking a service which returns a 2-D array.
ERROR [2008-02-24 19:16:24,500] java.lang.NullPointerException
org.apache.axiom.om.OMException: java.lang.NullPointerException
at
org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:247)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:319)
at
org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:650)
at
org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:619)
at
org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:118)
at
org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:269)
at
org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:198)
at
org.apache.axis2.rpc.receivers.RPCUtil.processResponseAsDocLitWrapped(RPCUtil.java:381)
at
org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:134)
at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusines
sLogic(AbstractInOutMessageReceiver.java:40)
at
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:96)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:148)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:121)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.wso2.adminui.AdminUIServletFilter.doFilter(AdminUIServletFilter.java:142)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
at
org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.java:98)
at
org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:988)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next
(ADBXMLStreamReaderImpl.java:835)
at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:71)
at
org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:159)
... 32 more
Steps to reproduce:
================
1. Deploy a service using a pojo as follows.
public class Multidimensionalarrayservice {
public int[][] printmultidimArray(){
int[][] scores = {{4,5,6,7}, {100,200}, {5000, 6000}};
return scores;
}
}
2. Generate client using WSAS code generator (ADB)
3. Write a client and invoke the service
Service archive is attached here with.
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