java.lang.IllegalStateException: ExtensionA.o was null upon access!

Stack Overflow | daipenger | 2 weeks ago
  1. 0

    Static initializers being called wrongly when inheritance comes to play

    Stack Overflow | 2 weeks ago | daipenger
    java.lang.IllegalStateException: ExtensionA.o was null upon access!
  2. 0

    Java VM potential bug (static initializer called too late)

    Stack Overflow | 2 weeks ago | daipenger
    java.lang.NullPointerException
  3. 0

    constructor

    Coderanch | 7 years ago | Rob Spoor
    superclass.Subclass
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  5. 0

    constructor

    Coderanch | 7 years ago | abalfazl hossein
    superclass.Subclass
  6. 0

    How can I stop the object to be created

    Coderanch | 5 years ago | Jeff Verdegan
    java.lang.IllegalArgumentException: the age is not right0

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    Root Cause Analysis

    1. java.lang.IllegalStateException

      ExtensionA.o was null upon access!

      at demonstration.Superclass.validateNotNull()
    2. demonstration
      Main.main
      1. demonstration.Superclass.validateNotNull(Superclass.java:15)
      2. demonstration.Main.main(Main.java:10)
      2 frames