java.lang.IllegalArgumentException: object is not an instance of declaring class

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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    object is not an instance of declaring class

    at java.lang.reflect.Method.invoke()
  2. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  3. Unknown
    testinvoke.main
    1. testinvoke.invoke(testinvoke.java:21)
    2. testinvoke.main(testinvoke.java:9)
    2 frames