java.lang.OutOfMemoryError: Java heap space

GitHub | syin2 | 4 months ago
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    java c3p0 OutOfMemoryError PermGen space

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    Root Cause Analysis

    1. java.lang.OutOfMemoryError

      Java heap space

      at java.lang.Class.getDeclaredMethods0()
    2. Java RT
      Class.getMethod
      1. java.lang.Class.getDeclaredMethods0(Native Method)
      2. java.lang.Class.privateGetDeclaredMethods(Class.java:2575)
      3. java.lang.Class.getMethod0(Class.java:2816)
      4. java.lang.Class.getMethod(Class.java:1665)
      4 frames
    3. Gson
      Gson.fromJson
      1. com.google.gson.internal.UnsafeAllocator.create(UnsafeAllocator.java:43)
      2. com.google.gson.internal.ConstructorConstructor$8.<init>(ConstructorConstructor.java:160)
      3. com.google.gson.internal.ConstructorConstructor.newUnsafeAllocator(ConstructorConstructor.java:159)
      4. com.google.gson.internal.ConstructorConstructor.get(ConstructorConstructor.java:77)
      5. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:71)
      6. com.google.gson.Gson.getAdapter(Gson.java:353)
      7. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(ReflectiveTypeAdapterFactory.java:82)
      8. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(ReflectiveTypeAdapterFactory.java:81)
      9. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:118)
      10. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:72)
      11. com.google.gson.Gson.getAdapter(Gson.java:353)
      12. com.google.gson.internal.bind.CollectionTypeAdapterFactory.create(CollectionTypeAdapterFactory.java:52)
      13. com.google.gson.Gson.getAdapter(Gson.java:353)
      14. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.<init>(ReflectiveTypeAdapterFactory.java:82)
      15. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.createBoundField(ReflectiveTypeAdapterFactory.java:81)
      16. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:118)
      17. com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:72)
      18. com.google.gson.Gson.getAdapter(Gson.java:353)
      19. com.google.gson.Gson.fromJson(Gson.java:794)
      20. com.google.gson.Gson.fromJson(Gson.java:761)
      21. com.google.gson.Gson.fromJson(Gson.java:710)
      22. com.google.gson.Gson.fromJson(Gson.java:682)
      22 frames
    4. com.telefonica.iot
      NGSISink.process
      1. com.telefonica.iot.cygnus.sinks.NGSISink.parseEventBody(NGSISink.java:465)
      2. com.telefonica.iot.cygnus.sinks.NGSISink.processNewBatches(NGSISink.java:382)
      3. com.telefonica.iot.cygnus.sinks.NGSISink.process(NGSISink.java:254)
      3 frames
    5. Flume
      SinkRunner$PollingRunner.run
      1. org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
      2. org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
      2 frames
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:701)
      1 frame