java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.nexaweb.loader.xMethodInvoker.runInThread(xMethodInvoker.java:54)
at com.nexaweb.server.api.admin.ServerAdminProxy.getMinorVersion(ServerAdminProxy.java:150)
at com.nexaweb.loader.LauncherHelper.getMinorVersion(LauncherHelper.java:201)
at jsp_servlet.__richclientlauncher._jspService(__richclientlauncher.java:449)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:409)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:318)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:176)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:502)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1086)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:319)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:243)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1198)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:821)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at com.tfs.oim.webapp.ForwardingLoginFilter.doFilter(ForwardingLoginFilter.java:54)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:43)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

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