SAP Adapter Not Discovering Extended IDOC: "JCA Binding execute of Reference operation '...' failed due to: javax.resource.ResourceException: Invalid Input XML" (Doc ID 3047913.1)

ERROR
-----------------------
javax.resource.ResourceException: Invalid Input XML
at oracle.tip.adapter.sap.xml.XmlConverter.getIdocTypeFromXML(XmlConverter.java:303)
at oracle.tip.adapter.sap.outbound.SAPInteractionImpl.execIDOC(SAPInteractionImpl.java:427)
at oracle.tip.adapter.sap.outbound.SAPInteractionImpl.execute(SAPInteractionImpl.java:860)
at oracle.integration.platform.blocks.adapter.fw.jca.cci.JCAInteractionInvoker.executeJcaInteraction(JCAInteractionInvoker.java:413)
at oracle.integration.platform.blocks.adapter.fw.jca.cci.JCAInteractionInvoker.invokeJcaReference(JCAInteractionInvoker.java:731)
at oracle.integration.platform.blocks.adapter.fw.jca.cci.JCAInteractionInvoker.invokeSyncJcaReference(JCAInteractionInvoker.java:685)
at oracle.integration.platform.blocks.adapter.fw.jca.cci.JCAEndpointInteraction.performSynchronousInteraction(JCAEndpointInteraction.java:622)
at oracle.integration.platform.blocks.adapter.AdapterReference.request(AdapterReference.java:220)
at oracle.integration.platform.blocks.mesh.SynchronousMessageHandler.doRequest(SynchronousMessageHandler.java:151)
at oracle.integration.platform.blocks.mesh.MessageRouter.request(MessageRouter.java:219)
at oracle.integration.platform.blocks.mesh.MeshImpl.request(MeshImpl.java:285)
at sun.reflect.GeneratedMethodAccessor2202.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at oracle.integration.platform.metrics.PhaseEventAspect.invoke(PhaseEventAspect.java:69)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)
at com.sun.proxy.$Proxy509.request(Unknown Source)
at oracle.fabric.CubeServiceEngine.requestToMesh(CubeServiceEngine.java:1208)
at com.collaxa.cube.ws.WSInvocationManager.invoke0(WSInvocationManager.java:263)
at com.collaxa.cube.ws.WSInvocationManager.invoke(WSInvocationManager.java:333)
at com.collaxa.cube.engine.ext.common.InvokeHandler.__invoke(InvokeHandler.java:1477)
at com.collaxa.cube.engine.ext.common.InvokeHandler.handleNormalWSDLInvoke(InvokeHandler.java:815)
at com.collaxa.cube.engine.ext.common.InvokeHandler.handleNormalInvoke(InvokeHandler.java:506)
at com.collaxa.cube.engine.ext.common.InvokeHandler.handle(InvokeHandler.java:157)
at com.collaxa.cube.engine.ext.bpel.common.wmp.BPELInvokeWMP.__executeStatements(BPELInvokeWMP.java:78)
at com.collaxa.cube.engine.ext.bpel.common.wmp.BaseBPELActivityWMP$1.call(BaseBPELActivityWMP.java:197)
at com.collaxa.cube.engine.ext.bpel.common.wmp.BaseBPELActivityWMP$1.call(BaseBPELActivityWMP.java:195)
at com.collaxa.bpel.sws.SWSComponentProcessActivityWrapper$1.call(SWSComponentProcessActivityWrapper.java:74)
at com.collaxa.bpel.sws.SWSCallableActivityWrapper.execute(SWSCallableActivityWrapper.java:89)
at com.collaxa.bpel.sws.SWSComponentProcessActivityWrapper.execute(SWSComponentProcessActivityWrapper.java:82)
at com.collaxa.cube.engine.ext.bpel.common.wmp.BaseBPELActivityWMP.perform(BaseBPELActivityWMP.java:205)
at com.collaxa.cube.engine.CubeEngine.performActivity(CubeEngine.java:2938)
at com.collaxa.cube.engine.CubeEngine._handleWorkItem(CubeEngine.java:1295)
at com.collaxa.cube.engine.CubeEngine.handleWorkItem(CubeEngine.java:1184)
at com.collaxa.cube.engine.dispatch.message.instance.PerformMessageHandler.handleLocal(PerformMessageHandler.java:92)
at com.collaxa.cube.engine.dispatch.DispatchHelper.handleLocalMessage(DispatchHelper.java:300)
at com.collaxa.cube.engine.dispatch.DispatchHelper.sendMemory(DispatchHelper.java:379)
at com.collaxa.cube.engine.CubeEngine.endRequest(CubeEngine.java:4978)
at com.collaxa.cube.engine.CubeEngine.endRequest(CubeEngine.java:4902)
at com.collaxa.cube.engine.CubeEngine._createAndInvoke(CubeEngine.java:782)
at com.collaxa.cube.engine.CubeEngine.createAndInvoke(CubeEngine.java:615)
at com.collaxa.cube.engine.delivery.DeliveryService.handleInvoke(DeliveryService.java:740)
at com.collaxa.cube.engine.ejb.impl.CubeDeliveryBean.handleInvoke(CubeDeliveryBean.java:502)
at com.collaxa.cube.engine.ejb.impl.bpel.BPELDeliveryBean_5k948i_ICubeDeliveryLocalBeanImpl.__WL_invoke(Unknown Source)
at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:33)
at com.collaxa.cube.engine.ejb.impl.bpel.BPELDeliveryBean_5k948i_ICubeDeliveryLocalBeanImpl.handleInvoke(Unknown Source)
at com.collaxa.cube.engine.dispatch.message.invoke.InvokeInstanceMessageHandler.handle(InvokeInstanceMessageHandler.java:43)
at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:154)
at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:150)
at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:90)
at com.collaxa.cube.engine.dispatch.WMExecutor$W.run(WMExecutor.java:248)
at weblogic.work.j2ee.J2EEWorkManager$WorkWithListener.run(J2EEWorkManager.java:209)
at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:352)
at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:337)
at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:57)
at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:655)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:420)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:360)