java.lang.NullPointerException

Coderanch | Nagendra Batchu | 7 years ago
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    Stack Overflow | 4 years ago | Boris Strandjev
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.lang.System.arraycopy()
    2. Java RT
      StringBuffer.getChars
      1. java.lang.System.arraycopy(Native Method)
      2. java.lang.AbstractStringBuilder.getChars(Unknown Source)
      3. java.lang.StringBuffer.getChars(Unknown Source)
      3 frames
    3. Apache Log4j
      ISO8601DateFormat.format
      1. org.apache.log4j.helpers.ISO8601DateFormat.format(ISO8601DateFormat.java:130)
      1 frame
    4. Java RT
      DateFormat.format
      1. java.text.DateFormat.format(Unknown Source)
      1 frame
    5. Apache Log4j
      Category.log
      1. org.apache.log4j.helpers.PatternParser$DatePatternConverter.convert(PatternParser.java:444)
      2. org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:65)
      3. org.apache.log4j.PatternLayout.format(PatternLayout.java:502)
      4. org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:302)
      5. org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:263)
      6. org.apache.log4j.WriterAppender.append(WriterAppender.java:160)
      7. org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
      8. org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
      9. org.apache.log4j.Category.callAppenders(Category.java:206)
      10. org.apache.log4j.Category.forcedLog(Category.java:391)
      11. org.apache.log4j.Category.log(Category.java:856)
      11 frames
    6. Apache Commons Logging
      Log4JLogger.error
      1. org.apache.commons.logging.impl.Log4JLogger.error(Log4JLogger.java:193)
      1 frame
    7. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:253)
      2. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
      3. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      4. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      5. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      6. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      6 frames
    8. Grizzly HTTP
      LeaderFollowerWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
      2. org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
      3. org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
      4. org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
      4 frames
    9. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
      1 frame
    10. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame