java.lang.NullPointerException

Terracotta Project Issue Tracker | Tim Eck | 7 years ago
  1. 0

    NullPointerException from FileInputStream readObject()

    Stack Overflow | 2 years ago | Michael Ignoto
    java.lang.NullPointerException
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    How to pass a jFrame with jTable via sockets?

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    java.lang.NullPointerException
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    Ensuring that the serialization of an object is done correctly

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    java.lang.NullPointerException

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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.util.concurrent.locks.ReentrantLock.lock()
  2. Java RT
    ObjectInputStream.readObject
    1. java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:256)
    2. java.util.concurrent.ConcurrentHashMap$Segment.put(ConcurrentHashMap.java:408)
    3. java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:848)
    4. java.util.concurrent.ConcurrentHashMap.readObject(ConcurrentHashMap.java:1412)
    5. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    6. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    7. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    8. java.lang.reflect.Method.invoke(Method.java:592)
    9. java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:946)
    10. java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1812)
    11. java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
    12. java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
    13. java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
    13 frames
  3. com.tctest
    SerializationTest.deserialize
    1. com.tctest.SerializationTest.deserialize(SerializationTest.java:347)
    1 frame