java.lang.NullPointerException

Coderanch | ravi pathak | 8 years ago
  1. 0

    Log4j log file no getting rolled over at the end of the day

    Coderanch | 8 years ago | ravi pathak
    java.lang.NullPointerException
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  3. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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    Android: Saving Map State in Google map

    Stack Overflow | 1 year ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

  1. linxiaolong 1 times, last 1 week ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at org.apache.log4j.WriterAppender.subAppend()
  2. Apache Log4j
    Category.info
    1. org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292)
    2. org.apache.log4j.DailyRollingFileAppender.subAppend(DailyRollingFileAppender.java:343)
    3. org.apache.log4j.WriterAppender.append(WriterAppender.java:150)
    4. org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)
    5. org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57)
    6. org.apache.log4j.Category.callAppenders(Category.java:190)
    7. org.apache.log4j.Category.forcedLog(Category.java:375)
    8. org.apache.log4j.Category.info(Category.java:696)
    8 frames