PH28308: ECLIPSELINK ILLEGAL ACCESS WARNING FROM REFLECTION

APAR status

• Closed as program error.

Error description

• Running with OpenJDK (Jigsaw) JDK 9 b162 or later results in
  the following warning.
  
  Warning:
  ´´´
  WARNING: An illegal reflective access operation has occurred
  WARNING: Illegal reflective access by
  org.eclipse.persistence.internal.security.PrivilegedAccessHelper
  
  (file:/.../wlp/dev/
  api/third-party/com.ibm.websphere.appserver.thirdparty.eclipseli
  nk_1.0.43.jar) to method
  com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getXmlEn
  coding()
  WARNING: Please consider reporting this to the maintainers of
  org.eclipse.persistence.internal.security.PrivilegedAccessHelper
  WARNING: Use --illegal-access=warn to enable warnings of
  further illegal reflective access operations
  ´´´
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server - Java Persistence API - JPA 2.1 &   *
  *                  EclipseLink                                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: EclipseLink prints warnings for         *
  *                      Illegal Access when running with        *
  *                      certain Java versions                   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Warning example:
  ´´´
  WARNING: An illegal reflective access operation has occurred
  WARNING: Illegal reflective access by
  org.eclipse.persistence.internal.security.PrivilegedAccessHelper
  (file:.../wlp/dev/api/third-
  party/com.ibm.websphere.appserver.th
  irdparty.eclipselink_1.0.43.jar) to method
  com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getXmlEn
  coding()
  WARNING: Please consider reporting this to the maintainers of
  org.eclipse.persistence.internal.security.PrivilegedAccessHelper
  WARNING: Use --illegal-access=warn to enable warnings of
  further illegal reflective access operations
  WARNING: All illegal access operations will be denied in a
  future release
  ´´´
  

Problem conclusion

• The fix for this APAR changes the EclipseLink implementation
  and involves an update to the thirdparty source. See
  https://bugs.eclipse.org/bugs/show_bug.cgi?id=515563
  
  This fix is currently targeted for WebSphere Application
  Server 9.0.5.6 and WebSphere Liberty 20.0.0.10. For more
  information, see 'Recommended Updates for
  WebSphere Application Server':
  https://www.ibm.com/support/pages/node/715553
  

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

  WEBSPHERE APP S

• Fixed component ID

  5724J0800

Applicable component levels

• R900 PSY

     UP