NetUI throws NullPointerException from Apache Beehive library (Doc ID 1339801.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle Weblogic Server - Version 10.3 and later
Information in this document applies to any platform.

Symptoms

In WebLogic 10.3, the following error was observed in NetUI during runtime -

<Error> <Kernel> <papp17> <MaestroOrderEntry_Server> <[ACTIVE] ExecuteThread: '308' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1305756354536> <BEA-000802> <ExecuteRequest failed
java.lang.NullPointerException.
java.lang.NullPointerException
at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:994)
at java.util.Collections$UnmodifiableList.<init>(Collections.java:1147)
at java.util.Collections.unmodifiableList(Collections.java:1133)
at org.apache.beehive.netui.core.urls.URLRewriterService.getURLRewriters(URLRewriterService.java:169)
at com.bea.wlw.netui.pageflow.util.URLRewriterService.rewriteURL(URLRewriterService.java:166)
at com.bea.wlw.netui.pageflow.util.URLRewriterService.rewriteURL(URLRewriterService.java:119)
at com.bea.wlw.netui.pageflow.util.URLRewriterService.rewriteURL(URLRewriterService.java:94)
at com.bea.wlw.netui.pageflow.util.PageflowTagUtils.prepareResourceUrl(PageflowTagUtils.java:128)
at com.bea.wlw.netui.tags.html.Image.doEndTag(Image.java:622)
at jsp_servlet.__error._jsp__tag1(__error.java:240)
at jsp_servlet.__error._jspService(__error.java:170)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
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.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:502)
at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:251)
at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:743)
at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:591)
at weblogic.servlet.internal.ErrorManager.handleException(ErrorManager.java:186)
at weblogic.servlet.internal.WebAppServletContext.handleThrowableFromInvocation(WebAppServletContext.java:2244)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2093)
! 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)


WebLogic server has to be restarted in order to get rid of this error.

Cause

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