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The selected operation process could not be invoked.

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The selected operation process could not be invoked.
An exception occured while invoking the webservice operation. Please see logs for more details.


java.lang.Exception: oracle.sysman.emSDK.webservices.wsdlapi.SoapTestException: XPath expression failed to execute. An error occurs while processing the XPath expression; the expression is bpws:getVariableData('Variable_1') <= ora:getPreference(dyn_var). The XPath expression failed to execute; the reason was: oracle.xml.parser.v2.XMLNodeList cannot be cast to java.lang.String. Check the detailed root cause described in the exception message text and verify that the XPath query is correct. at oracle.sysman.emas.model.wsmgt.WSTestModel.invokeOperation(WSTestModel.java:575) at oracle.sysman.emas.view.wsmgt.WSView.invokeOperation(WSView.java:381) at oracle.sysman.emas.view.wsmgt.WSView.invokeOperation(WSView.java:298) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.el.parser.AstValue.invoke(AstValue.java:157) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283) at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:53) at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodBinding(UIXComponentBase.java:1259) at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:183) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94) at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:97) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309) at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94) at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:91) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756) at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:698) at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:285) at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420) at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157) at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.help.web.rich.OHWFilter.doFilter(Unknown Source) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.emSDK.license.LicenseFilter.doFilter(LicenseFilter.java:101) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.emas.fwk.MASConnectionFilter.doFilter(MASConnectionFilter.java:41) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:159) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.eml.app.AuditServletFilter.doFilter(AuditServletFilter.java:179) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:203) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.core.app.perf.PerfFilter.doFilter(PerfFilter.java:141) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:542) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: oracle.sysman.emSDK.webservices.wsdlapi.SoapTestException: XPath expression failed to execute. An error occurs while processing the XPath expression; the expression is bpws:getVariableData('Variable_1') <= ora:getPreference(dyn_var). The XPath expression failed to execute; the reason was: oracle.xml.parser.v2.XMLNodeList cannot be cast to java.lang.String. Check the detailed root cause described in the exception message text and verify that the XPath query is correct. at oracle.sysman.emSDK.webservices.wsdlapi.dispatch.DispatchUtil.invoke(DispatchUtil.java:260) at oracle.sysman.emSDK.webservices.wsdlparser.OperationInfoImpl.invokeWithDispatch(OperationInfoImpl.java:985) at oracle.sysman.emas.model.wsmgt.PortName.invokeOperation(PortName.java:729) at oracle.sysman.emas.model.wsmgt.WSTestModel.invokeOperation(WSTestModel.java:569) ... 69 more Caused by: javax.xml.ws.soap.SOAPFaultException: XPath expression failed to execute. An error occurs while processing the XPath expression; the expression is bpws:getVariableData('Variable_1') <= ora:getPreference(dyn_var). The XPath expression failed to execute; the reason was: oracle.xml.parser.v2.XMLNodeList cannot be cast to java.lang.String. Check the detailed root cause described in the exception message text and verify that the XPath query is correct. at oracle.j2ee.ws.client.jaxws.DispatchImpl.throwJAXWSSoapFaultException(DispatchImpl.java:955) at oracle.j2ee.ws.client.jaxws.DispatchImpl.invoke(DispatchImpl.java:750) at oracle.j2ee.ws.client.jaxws.OracleDispatchImpl.synchronousInvocationWithRetry(OracleDispatchImpl.java:234) at oracle.j2ee.ws.client.jaxws.OracleDispatchImpl.invoke(OracleDispatchImpl.java:105) at oracle.sysman.emSDK.webservices.wsdlapi.dispatch.DispatchUtil.invoke(DispatchUtil.java:256) ... 72 more

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