java.lang.IllegalStateException: java.util.concurrent.ExecutionException: java.lang.NullPointerException

Apache's JIRA Issue Tracker | Koji Kawamura | 10 months ago
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  1. 0

    GitHub comment 61#149722975

    GitHub | 2 years ago | dhalperi
    java.lang.NullPointerException: null
  2. 0

    struts2 tomcat 8 startup

    Stack Overflow | 2 weeks ago | RichardH
    java.lang.NullPointerException: null
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  4. 0

    Build failure javax.management.InstanceAlreadyExists

    Google Groups | 4 years ago | Sean Zhong
    java.lang.NullPointerException: null

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at java.util.Hashtable.put()
    2. Java RT
      Properties.setProperty
      1. java.util.Hashtable.put(Hashtable.java:459)[na:1.8.0_74]
      2. java.util.Properties.setProperty(Properties.java:166)[na:1.8.0_74]
      2 frames
    3. org.apache.nifi
      GetKafka$1.call
      1. org.apache.nifi.processors.kafka.GetKafka.createConsumers(GetKafka.java:238)[na:na]
      2. org.apache.nifi.processors.kafka.GetKafka$1.call(GetKafka.java:355)[na:na]
      3. org.apache.nifi.processors.kafka.GetKafka$1.call(GetKafka.java:352)[na:na]
      3 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:266)[na:1.8.0_74]
      2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_74]
      3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_74]
      4. java.lang.Thread.run(Thread.java:745)[na:1.8.0_74]
      4 frames