java.lang.NoClassDefFoundError: org/json/simple/JSONObject

hadoop-chukwa-user | DKN | 6 years ago
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    java.lang.NoClassDefFoundError: org/json/simple/JSONObject
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    Stack Overflow | 4 years ago | sriram
    java.lang.NoClassDefFoundError: org/json/simple/JSONObject
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.json.simple.JSONObject

    at java.net.URLClassLoader$1.run()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    2. java.security.AccessController.doPrivileged(Native Method)
    3. java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    5. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    6. java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    6 frames
  3. org.apache.hadoop
    Log4JMetricsContext.emitRecord
    1. org.apache.hadoop.chukwa.inputtools.log4j.Log4JMetricsContext.emitRecord(Log4JMetricsContext.java:102)
    1 frame
  4. Hadoop
    AbstractMetricsContext$1.run
    1. org.apache.hadoop.metrics.spi.AbstractMetricsContext.emitRecords(AbstractMetricsContext.java:306)
    2. org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent(AbstractMetricsContext.java:292)
    3. org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000(AbstractMetricsContext.java:52)
    4. org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run(AbstractMetricsContext.java:251)
    4 frames
  5. Java RT
    TimerThread.run
    1. java.util.TimerThread.mainLoop(Timer.java:512)
    2. java.util.TimerThread.run(Timer.java:462)
    2 frames