IJ10619: INCORRECT ILLEGALARGUMENTEXCEPTION BECAUSE OBJECT IS NOT AN INSTANCE OF DECLARING CLASS ON REFLECTIVE INVOCATION

APAR status

• Closed as program error.

Error description

• Error Message: Dump Event "systhrow" (00040000) Detail
  "java/lang/IllegalArgumentException" "object is not an instance
  of declaring class" received
  .
  Stack Trace: sun/reflect/NativeMethodAccessorImpl.invoke0(Native
  Method)
  
  sun/reflect/NativeMethodAccessorImpl.invoke(NativeMethodAccessor
  Impl.java:90)
  
  sun/reflect/DelegatingMethodAccessorImpl.invoke(DelegatingMethod
  AccessorImpl.java:55)
          java/lang/reflect/Method.invoke(Method.java:508)
  .
  

Local fix

Problem summary

• The JVM was referencing a replaced version of a class when
  performing the check of an argument during reflective
  invocation.
  

Problem conclusion

• The JVM has been updated to avoid the IllegalArgumentException.
  .
  This APAR will be fixed in the following Java Releases:
     8    SR5 FP25  (8.0.5.25)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  Service Refreshes and Fix Packs can be found at:
             https://www.ibm.com/developerworks/java/jdk/
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R270 PSY

     UP