java.lang.NullPointerException

Coderanch | Igor Mechnikov | 6 years ago
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    NullPointerException

    Stack Overflow | 2 months ago | M. Abdulai
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at ChatRoom.<init>()
    2. Unknown
      ChatRoom.main
      1. ChatRoom.<init>(ChatRoom.java:124)
      2. ChatRoom.main(ChatRoom.java:48)
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:616)
      4 frames
    4. edu.rice.cs
      JavacCompiler.runCommand
      1. edu.rice.cs.drjava.model.compiler.JavacCompiler.runCommand(JavacCompiler.java:271)
      1 frame