Service Task receives exception "Missing required XML element" even though argument is nillable. (Doc ID 2034711.1)

Last updated on JULY 22, 2015

Applies to:

Oracle Business Process Management Suite - Version 11.1.1.6.0 to 11.1.1.6.0 [Release 11gR1]
Information in this document applies to any platform.

Symptoms

You have a web service defined with multiple arguments, and one or more of the arguments may be nillable. If you call the web service without explicitly defining the nillable argument you receive the following exception:

2014-12-17T11:00:06.982-05:00] [msp_bpmmg_pas_m00] [ERROR] [OWS-04086] [oracle.webservices.service] [tid: [ACTIVE].ExecuteThread: '9' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: 2952288c985467de:14c05aeb:14a47ff4a83:-8000-0000000000030426,0] [APP: soa-infra] [composite_name: Service] javax.xml.rpc.soap.SOAPFaultException: javax.xml.ws.WebServiceException: Missing required XML element "arg10" in the payload.[[
at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.generateSoapFaultException(WebServiceEntryBindingComponent.java:1193)
at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.processIncomingMessage(WebServiceEntryBindingComponent.java:971)
at oracle.integration.platform.blocks.soap.FabricProvider.processMessage(FabricProvider.java:113)
at oracle.j2ee.ws.server.provider.ProviderProcessor.doEndpointProcessing(ProviderProcessor.java:1187)
at oracle.j2ee.ws.server.WebServiceProcessor.invokeEndpointImplementation(WebServiceProcessor.java:1112)
at oracle.j2ee.ws.server.provider.ProviderProcessor.doRequestProcessing(ProviderProcessor.java:581)
at oracle.j2ee.ws.server.WebServiceProcessor.processRequest(WebServiceProcessor.java:233)
at oracle.j2ee.ws.server.WebServiceProcessor.doService(WebServiceProcessor.java:194)
at oracle.j2ee.ws.server.WebServiceServlet.doPost(WebServiceServlet.java:485)
at oracle.integration.platform.blocks.soap.FabricProviderServlet.doPost(FabricProviderServlet.java:528)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:821)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(Unknown Source)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.servlet.internal.WebAppServletContext.execute(Unknown Source)
at weblogic.servlet.internal.ServletRequestImpl.run(Unknown Source)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)

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Cause

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