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javax.management.ReflectionException: The method null.userExists could not be found	at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:1298)	at weblogic.management.commo.CommoModelMBean.invoke(CommoModelMBean.java:640)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1557)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1525)	at weblogic.management.internal.RemoteMBeanServerImpl.private_invoke(RemoteMBeanServerImpl.java:990)	at weblogic.management.internal.RemoteMBeanServerImpl.invoke(RemoteMBeanServerImpl.java:948)	at weblogic.management.commo.CommoProxy.invoke(CommoProxy.java:356)	at $Proxy8.userExists(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at com.bea.p13n.usermgmt.AtnProviderProxy$Runner.run(AtnProviderProxy.java:178)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)	at com.bea.p13n.usermgmt.AtnProviderProxy.invoke(AtnProviderProxy.java:135)	at $Proxy27.userExists(Unknown Source)	at com.bea.p13n.usermgmt.internal.UserManagerImpl.userExists(UserManagerImpl.java:308)	at com.bea.p13n.usermgmt.internal.UserManagerImpl.getUserProfileManager(UserManagerImpl.java:262)	at com.bea.p13n.usermgmt.internal.UserManager_ipzi0w_EOImpl.getUserProfileManager(UserManager_ipzi0w_EOImpl.java:46)	at com.bea.p13n.usermgmt.profile.internal.ProfileWrapperImpl.getProfileManager(ProfileWrapperImpl.java:483)	at com.bea.p13n.usermgmt.profile.internal.ProfileWrapperImpl.validateProfile(ProfileWrapperImpl.java:393)	at com.bea.p13n.usermgmt.profile.ProfileFactory.getProfile(ProfileFactory.java:123)	at com.bea.p13n.usermgmt.profile.ProfileFactory.getProfile(ProfileFactory.java:83)	at com.bea.p13n.usermgmt.profile.ProfileFactory.getProfile(ProfileFactory.java:61)	at com.bea.content.expression.DefaultPropertyProvider.(DefaultPropertyProvider.java:56)	at com.bea.content.manager.servlets.jsp.taglib.SearchTag.doStartTag(SearchTag.java:190)	at jsp_servlet._hu._mo._portlets._portrait.__portrait._jspService(portrait.jsp:63)	at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:526)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:293)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at com.bea.wlw.netui.pageflow.PageFlowJspFilter.doFilter(PageFlowJspFilter.java:250)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.urlrewrite.UrlWriterFilter.doFilter(UrlWriterFilter.java:57)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.https.HttpsFilter.doFilter(HttpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:644)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:423)	at com.bea.wlw.netui.pageflow.scoping.internal.ScopedRequestDispatcher.include(ScopedRequestDispatcher.java:120)	at com.bea.netuix.servlets.controls.content.JspContent.beginRender(JspContent.java:533)	at com.bea.netuix.servlets.controls.content.NetuiContent.beginRender(NetuiContent.java:409)	at com.bea.netuix.nf.ControlLifecycle$1.visit(ControlLifecycle.java:495)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:542)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:247)	at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:105)	at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:356)	at com.bea.netuix.nf.UIControl.render(UIControl.java:536)	at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:405)	at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:123)	at com.bea.netuix.servlets.jsp.taglib.RenderChild.doStartTag(RenderChild.java:58)	at jsp_servlet._framework._skeletons._mohumain.__mohumainmainlayout._jspService(mohumainMainLayout.jsp:19)	at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:348)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:638)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:423)	at com.bea.netuix.servlets.controls.JspRenderer.renderAlt(JspRenderer.java:194)	at com.bea.netuix.servlets.controls.JspRenderer.beginRender(JspRenderer.java:96)	at com.bea.netuix.nf.ControlLifecycle$1.visit(ControlLifecycle.java:491)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:542)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:553)	at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:247)	at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:204)	at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:146)	at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:333)	at com.bea.netuix.servlets.manager.UIServlet.processControlTree(UIServlet.java:220)	at com.bea.netuix.servlets.manager.PortalServlet.doPost(PortalServlet.java:820)	at com.bea.netuix.servlets.manager.PortalServlet.doGet(PortalServlet.java:671)	at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:147)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.servlets.printer.PrinterFilter.doFilter(PrinterFilter.java:90)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:293)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.urlrewrite.UrlWriterFilter.doFilter(UrlWriterFilter.java:57)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.https.HttpsFilter.doFilter(HttpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:326)	at hu.mo.portalutil.urlrewrite.RewriteServlet.service(RewriteServlet.java:228)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:293)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.urlrewrite.UrlWriterFilter.doFilter(UrlWriterFilter.java:57)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.https.HttpsFilter.doFilter(HttpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:326)	at org.tuckey.web.filters.urlrewrite.RewrittenUrl.doRewrite(RewrittenUrl.java:182)	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:734)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.urlrewrite.UrlWriterFilter.doFilter(UrlWriterFilter.java:57)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at hu.mo.portalutil.https.HttpsFilter.doFilter(HttpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)