IV54644: CLASS.GETDECLARINGCLASS() AND CLASS.GETENCLOSINGCLASS() INCORREC TLY CHECKS PACKAGE ACCESS

APAR status

• Closed as program error.

Error description

• Error Message: Application incorrectly throws
  java.security.AccessControlException, and indicates that package
  access permission is denied.
  e.g.
  java.security.AccessControlException: Access denied
  ("java.lang.RuntimePermission" "accessClassInPackage.sun.pkg")
  .
  Stack Trace: java.security.AccessControlException: Access denied
  ("java.lang.RuntimePermission" "accessClassInPackage.sun.pkg")
   at
  java.security.AccessController.throwACE(AccessController.java)
   at
  java.security.AccessController.checkPermission(AccessController.
  java)
   at
  java.lang.SecurityManager.checkPermission(SecurityManager.java)
   at
  java.lang.SecurityManager.checkPackageAccess(SecurityManager.jav
  a)
   at
  sun.reflect.misc.ReflectUtil.checkPackageAccess(ReflectUtil.java
  )
   at
  sun.reflect.misc.ReflectUtil.checkPackageAccess(ReflectUtil.java
  )
   at java.lang.Class.getEnclosingClass(Class.java)
  .
  

Local fix

Problem summary

• The problem was caused by unnecessary package access checks
  within java.lang.Class.getDeclaringClass() and
  Class.getEnclosingClass().
  

Problem conclusion

• This APAR will be fixed in the following Java Releases:
     7    SR7       (7.0.7.0)
     5.0  SR16 FP6  (5.0.16.6)
     6    SR15      (6.0.16)
     6 R1 SR8       (6.1.8.0)
     7 R1 SR1       (7.1.1.0)
  .
  The JVM has been updated to remove unnecessary package access
  checks.
  

Temporary fix

Comments

APAR Information

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

  IV54643

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

Fix information

• Fixed component name

  JAVA 5 J9 COMMO

• Fixed component ID

  620500127

Applicable component levels

• R500 PSY

     UP