IV34697: INCOMPATIBLECLASSCHANGEERROR WHEN ATTEMPTING TO LDC A METHODHAND LE TO A PRIVATE VIRTUAL METHOD.

APAR status

• Closed as program error.

Error description

• Error Message: IncompatibleClassChangeError when attempting to
  ldc a MethodHandle to a private virtual method.
  .
  Stack Trace: Exception in thread "main"
  java.lang.IncompatibleClassChangeError:
  Ldc_MH_private_virtual.foo()Ljava/lang/String;
          at
  Ldc_MH_private_virtual.getVirtualMHToFoo(Ldc_MH_private_virtual.
  java:17)
          at
  Ldc_MH_private_virtual.main(Ldc_MH_private_virtual.java:21)
  .
  

Local fix

Problem summary

• The issue is caused when attempting to create a MethodHandle to
  a private virtual method using LDC.
  

Problem conclusion

• This defect will be fixed in:
  7.0.0 SR4
  .
  The JVM has been updated to correctly handle the case of a
  virtual MethodHandle ref to a private method.
  

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

• R260 PSY

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