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oracle.xdo.XDOException: java.lang.NullPointerException[[
javax.servlet.ServletException: java.lang.NullPointerException[[ at oracle.xdo.servlet.XDOServlet.writeReport(XDOServlet.java:457) at oracle.xdo.servlet.XDOServlet.doGet(XDOServlet.java:214) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) 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.xdo.servlet.metadata.track.MostRecentFilter.doFilter(MostRecentFilter.java:64) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.xdo.servlet.security.SecurityFilter.doFilter(SecurityFilter.java:122) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.xdo.servlet.init.InitCheckingFilter.doFilter(InitCheckingFilter.java:63) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111) at java.security.AccessController.doPrivileged(Native Method) 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:56) at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111) at java.security.AccessController.doPrivileged(Native Method) at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313) at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413) at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94) at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161) at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$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:209) at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)Caused by: java.lang.NullPointerException at oracle.xdo.servlet.ReportException.fillInStackTrace(ReportException.java:124) at oracle.xdo.servlet.data.DataException.fillInStackTrace(DataException.java:127) at java.lang.Throwable.<init>(Throwable.java:181) at java.lang.Exception.<init>(Exception.java:29) at oracle.xdo.servlet.ReportException.<init>(ReportException.java:40) at oracle.xdo.servlet.data.DataException.<init>(DataException.java:44) at oracle.xdo.servlet.CoreProcessor.process(CoreProcessor.java:416) at oracle.xdo.servlet.CoreProcessor.generateDocument(CoreProcessor.java:93) at oracle.xdo.servlet.ReportImpl.renderBodyHTTP(ReportImpl.java:1059) at oracle.xdo.servlet.ReportImpl.renderReportBodyHTTP(ReportImpl.java:624) at oracle.xdo.servlet.XDOServlet.writeReport(XDOServlet.java:477) at oracle.xdo.servlet.XDOServlet.writeReport(XDOServlet.java:447) ... 41 more