IJ44040: GENERATING DIFFIE-HELLMAN KEY PAIRS REPEATEDLY, USING IBMJCEPLUS, CAUSES A SMALL MEMORY LEAK

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: N/A
  .
  The memory leak was observed with Java 8, SR7 FP5. The problem
  did not occur when IBMJCEPlus was removed from the provider
  list.
  

Local fix

• In JRE_HOME/lib/security/java.security file, place IBMJCE ahead
  of IBMJCEPlus in provider list,
  

Problem summary

• Generating DIffie-Hellman KeyPairs repeatedly, using IBMJCEPlus,
  causes a small memory leak.
  
  The small memory leak occurs when internal data structure used
  during the generation of keypair is not freed.
  

Problem conclusion

• The JVM has been fixed not to leak memory during Diffie-Hellman
  Key Pair generation.
  
  
  The associated Hursley RTC Problem Report is 148109
  
  Austin GitHub issue: 469
  
  JVMs affected: Java 8.0
  
  The fix was delivered for Java 8 SR8 FP0
  
  The build levels: 20221026
  
  The affected files: native libraries libjgskit.so, jgskit.dll
  
  .
  This APAR will be fixed in the following Releases:
  .
  IBM SDK, Java Technology Edition
   8 SR8 FP0 (8.0.8.0)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  maintenance can be found at:
   https://www.ibm.com/support/pages/java-sdk
  

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

  SECURITY

• Fixed component ID

  620700125

Applicable component levels