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oracle.bpel.services.workflow.query.ejb.TaskQueryService_oz1ipg_HomeImpl_1034_WLStub
java.lang.ClassCastException: oracle.bpel.services.workflow.query.ejb.TaskQueryService_oz1ipg_HomeImpl_1034_WLStub	at oracle.bpel.services.workflow.query.client.TaskQueryServiceRemoteClient.authenticate(TaskQueryServiceRemoteClient.java:120)	at sun.reflect.GeneratedMethodAccessor15834.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at oracle.bpel.services.workflow.client.WFClientRetryInvocationHandler.invokeTarget(WFClientRetryInvocationHandler.java:133)	at oracle.bpel.services.workflow.client.WFClientRetryInvocationHandler.invoke(WFClientRetryInvocationHandler.java:72)	at undefined.$Proxy442.authenticate(Unknown Source)	at com.company.example.worklist.business.TaskManager.workflowContext(TaskManager.java:735)	at com.company.example.worklist.business.TaskManager.(TaskManager.java:92)	at com.company.example.worklist.business.WorklistMBean.(WorklistMBean.java:247)	at com.company.example.worklist.business.LoginMBean.logar(LoginMBean.java:42)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.el.parser.AstValue.invoke(Unknown Source)	at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)	at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)	at com.company.estudio.crud.jsf.exception.ExceptionActionListenerJsfEstudio.processAction(ExceptionActionListenerJsfEstudio.java:17)	at com.company.estudio.crud.jsf.action.ActionListenerJsfEstudio.processAction(ActionListenerJsfEstudio.java:33)	at javax.faces.component.UICommand.broadcast(UICommand.java:387)	at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)	at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)	at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)	at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:467)	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)	at weblogic.servlet.internal.StubSecurityHelper$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:27)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)	at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:279)	at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)	at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:112)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at com.company.example.worklist.business.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:48)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)	at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)