java.lang.NullPointerException

apache.org | 1 week ago
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    java.lang.NullPointerException
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    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.lang.AbstractStringBuilder.append()
    2. Java RT
      StringBuffer.append
      1. java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:488)
      2. java.lang.StringBuffer.append(StringBuffer.java:302)
      2 frames
    3. Apache Log4j
      ISO8601DateFormat.format
      1. org.apache.log4j.helpers.ISO8601DateFormat.format(ISO8601DateFormat.java:132)
      1 frame
    4. Java RT
      DateFormat.format
      1. java.text.DateFormat.format(DateFormat.java:314)
      1 frame
    5. Apache Log4j
      Category.log
      1. org.apache.log4j.helpers.PatternParser$DatePatternConverter.convert(PatternParser.java:444)
      2. org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:64)
      3. org.apache.log4j.PatternLayout.format(PatternLayout.java:503)
      4. org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:301)
      5. org.apache.log4j.WriterAppender.append(WriterAppender.java:159)
      6. org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:230)
      7. org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:65)
      8. org.apache.log4j.Category.callAppenders(Category.java:203)
      9. org.apache.log4j.Category.forcedLog(Category.java:388)
      10. org.apache.log4j.Category.log(Category.java:853)
      10 frames
    6. Apache Commons Logging
      Log4JLogger.info
      1. org.apache.commons.logging.impl.Log4JLogger.info(Log4JLogger.java:133)
      1 frame
    7. org.apache.catalina
      DeltaManager.start
      1. org.apache.catalina.cluster.session.DeltaManager.start(DeltaManager.java:975)
      1 frame
    8. Glassfish Core
      StandardContext.reload
      1. org.apache.catalina.core.StandardContext.start(StandardContext.java:4137)
      2. org.apache.catalina.core.StandardContext.reload(StandardContext.java:2990)
      2 frames
    9. org.apache.catalina
      HTMLManagerServlet.doGet
      1. org.apache.catalina.manager.ManagerServlet.reload(ManagerServlet.java:906)
      2. org.apache.catalina.manager.HTMLManagerServlet.reload(HTMLManagerServlet.java:473)
      3. org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:98)
      3 frames
    10. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
      2 frames
    11. Glassfish Core
      StandardHostValve.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      6 frames
    12. org.apache.catalina
      ReplicationValve.invoke
      1. org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:346)
      1 frame
    13. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      2. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      3. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      3 frames
    14. Grizzly HTTP
      AprEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
      2. org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
      3. org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
      3 frames
    15. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:595)
      1 frame