javax.servlet.ServletException: java.lang.NullPointerException[[

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oracle.xdo.XDOException: java.lang.NullPointerException[[
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.(Throwable.java:181)
at java.lang.Exception.(Exception.java:29)
at oracle.xdo.servlet.ReportException.(ReportException.java:40)
at oracle.xdo.servlet.data.DataException.(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)
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 oracle.xdo.servlet.metadata.track.MostRecentFilter.doFilter(MostRecentFilter.java:64)
at oracle.xdo.servlet.security.SecurityFilter.doFilter(SecurityFilter.java:122)
at oracle.xdo.servlet.init.InitCheckingFilter.doFilter(InitCheckingFilter.java:63)
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 oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
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)

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