Getting HTTP 500 error while running(previewing) the report in BIRT

[Gopal Sadige]

Hello experts,
I have written a sample WebService and hooked it to my report as DataSouce. I am able to map the rows & columns at design time. When I run(preview) it in BIRT, it throws the following exception. Please help me resolve this error.

Data (id = 31):
- Cannot execute the statement.
Server returned HTTP response code: 500 for URL: http://330ibbtj1bs.i2.com:15001/srm63/services/ItemMaster 
odaconsumer.CannotExecuteStatement ( 1 time(s) )
detail : org.eclipse.birt.report.engine.api.EngineException: Cannot execute the statement.
Server returned HTTP response code: 500 for URL: http://330ibbtj1bs.i2.com:15001/srm63/services/ItemMaster
        at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1163)
        at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1127)
        at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:96)
        at org.eclipse.birt.report.engine.executor.DataItemExecutor.execute(DataItemExecutor.java:75)
        at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplicateItemExecutor.execute(SuppressDuplicateItemExecutor.java:43)
        at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
        at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportItemExecutor.execute(LocalizedReportItemExecutor.java:34)
        at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:65)
        at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:90)
        at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:99)
        at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:170)
        at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:75)
        at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:882)
        at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:973)
        at org.eclipse.birt.report.service.actionhandler.BirtGetPageAllActionHandler.__execute(BirtGetPageAllActionHandler.java:131)
        at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90)
        at org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(AbstractBaseDocumentProcessor.java:47)
        at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(AbstractBaseComponentProcessor.java:143)
        at org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleGetPageAll(BirtDocumentProcessor.java:183)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(AbstractBaseComponentProcessor.java:112)
        at org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(BirtSoapBindingImpl.java:66)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
        at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
        at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
        at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
        at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
        at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
        at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
        at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
        at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
        at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)
        at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
        at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
        at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
        at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:59)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:318)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:380)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:324)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:535)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:880)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:748)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:213)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Caused by: org.eclipse.birt.data.engine.core.DataException: Cannot execute the statement.
Server returned HTTP response code: 500 for URL: http://330ibbtj1bs.i2.com:15001/srm63/services/ItemMaster
        at org.eclipse.birt.data.engine.odaconsumer.PreparedStatement.execute(PreparedStatement.java:613)
        at org.eclipse.birt.data.engine.executor.DataSourceQuery.execute(DataSourceQuery.java:767)
        at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.executeOdiQuery(PreparedOdaDSQuery.java:336)
        at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:1033)
        at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:232)
        at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:158)
        at org.eclipse.birt.report.engine.data.dte.QueryResultSet.<init>(QueryResultSet.java:98)
        at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:155)
        at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:254)
        at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1818)
        at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
        ... 59 more
Caused by: org.eclipse.datatools.connectivity.oda.OdaException: Server returned HTTP response code: 500 for URL: http://330ibbtj1bs.i2.com:15001/srm63/services/ItemMaster
        at org.eclipse.datatools.enablement.oda.ws.util.RawMessageSender.getSOAPResponse(RawMessageSender.java:107)
        at org.eclipse.datatools.enablement.oda.ws.impl.Query.getInputStream(Query.java:184)
        at org.eclipse.datatools.enablement.oda.ws.impl.Query.initXMLQuery(Query.java:136)
        at org.eclipse.datatools.enablement.oda.ws.impl.Query.executeQuery(Query.java:128)
        at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaQuery.doExecuteQuery(OdaQuery.java:464)
        at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaQuery.executeQuery(OdaQuery.java:428)
        at org.eclipse.birt.data.engine.odaconsumer.PreparedStatement.execute(PreparedStatement.java:599)
        ... 69 more