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No Control Descriptor for reportbutton

From: syed a (2011-08-02 10:12)

Hello,
We have maximo 7.1.1.8,
Oracle 10g,
Birt 2.3
When we enter report parameters values in request page or select value from lookup control comes out of request page & we getfollowing error
ERROR - No Control Descriptor for reportbutton
Warnning: Empty Element null
java.lang.NullPointerException
at psdi.webclient.system.runtime.AppDescriptor.initializeControl(AppDescriptor.java:206)
at psdi.webclient.system.runtime.AppDescriptor.initializeControls(AppDescriptor.java:168)
at psdi.webclient.system.runtime.AppDescriptor.initializeControls(AppDescriptor.java:177)
at psdi.webclient.system.runtime.AppDescriptor.getDialog(AppDescriptor.java:317)
at psdi.webclient.system.session.WebClientSession.findDialog(WebClientSession.java:1480)
at psdi.webclient.beans.report.ReportDialogBean.runrequestpage(ReportDialogBean.java:336)
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:585)
at psdi.webclient.system.session.WebClientSession.defaultHandler(WebClientSession.java:1193)
at psdi.webclient.system.session.WebClientSession.handleEvent(WebClientSession.java:1087)
at psdi.webclient.system.session.WebClientSession.handleRequest(WebClientSession.java:700)
at psdi.webclient.system.controller.RequestManager.manageRequest(RequestManager.java:101)
at psdi.webclient.servlet.WebClientServlet.handleRequest(WebClientServlet.java:96)
at psdi.webclient.servlet.WebClientServlet.doPost(WebClientServlet.java:45)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.
java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at psdi.webclient.system.filter.HttpCrossSiteScriptingSecurity.doFilter(HttpCrossSiteScripti
ngSecurity.java:64)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletC
ontext.java:3229)
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:2
002)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1908)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1362)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
ERROR - No Control Descriptor for reportbutton
Control Descriptor is null: reportbutton