java.lang.NullPointerException

Server Fault | Olqs | 2 years ago
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    Datastax Agent 5.1.3 Short os-stats collector failed

    Server Fault | 2 years ago | Olqs
    java.lang.NullPointerException
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    Opscenter not showing disk info

    Server Fault | 2 years ago | David Sedeño
    java.lang.NullPointerException
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  4. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  5. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at clojure.lang.Numbers.ops()
    2. Clojure
      Numbers.min
      1. clojure.lang.Numbers.ops(Numbers.java:942)
      2. clojure.lang.Numbers.lt(Numbers.java:219)
      3. clojure.lang.Numbers.min(Numbers.java:4007)
      3 frames
    3. opsagent
      cache$update_cache_value_default$fn__1163$fn__1164.invoke
      1. opsagent.rollup$add_value.invoke(rollup.clj:156)
      2. opsagent.rollup$process_keypair$fn__1435.invoke(rollup.clj:235)
      3. opsagent.cache$update_cache_value_default$fn__1163$fn__1164.invoke(cache.clj:25)
      3 frames
    4. Clojure
      RestFn.invoke
      1. clojure.lang.AFn.applyToHelper(AFn.java:161)
      2. clojure.lang.AFn.applyTo(AFn.java:151)
      3. clojure.lang.Ref.alter(Ref.java:174)
      4. clojure.core$alter.doInvoke(core.clj:2244)
      5. clojure.lang.RestFn.invoke(RestFn.java:425)
      5 frames
    5. opsagent
      cache$update_cache_value_default$fn__1163.invoke
      1. opsagent.cache$update_cache_value_default$fn__1163.invoke(cache.clj:25)
      1 frame
    6. Clojure
      LockingTransaction.runInTransaction
      1. clojure.lang.AFn.call(AFn.java:18)
      2. clojure.lang.LockingTransaction.run(LockingTransaction.java:263)
      3. clojure.lang.LockingTransaction.runInTransaction(LockingTransaction.java:231)
      3 frames
    7. opsagent
      rollup$process_metric_map.invoke
      1. opsagent.cache$update_cache_value_default.invoke(cache.clj:24)
      2. opsagent.rollup$process_keypair.invoke(rollup.clj:235)
      3. opsagent.rollup$process_metric_map.invoke(rollup.clj:241)
      3 frames
    8. opsagent.os
      collection$start_pool$fn__15870.invoke
      1. opsagent.os.collection$start_os_stat_collection$send_metric__15899.invoke(collection.clj:80)
      2. opsagent.os.linux_metrics$sendmap.invoke(linux_metrics.clj:12)
      3. opsagent.os.linux_metrics$report_mem_stats.invoke(linux_metrics.clj:134)
      4. opsagent.os.linux_metrics$collectors$wrap_short_collector__9128$fn__9129.invoke(linux_metrics.clj:270)
      5. opsagent.os.collection$start_pool$fn__15870.invoke(collection.clj:39)
      5 frames
    9. Clojure
      AFn.run
      1. clojure.lang.AFn.run(AFn.java:24)
      1 frame
    10. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      2. java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
      3. java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
      4. java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
      5. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      6. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      7. java.lang.Thread.run(Thread.java:745)
      7 frames