IV70441: JAVAWS GOT COREDUMP AT THE SECOND LAUNCHING ON AIX AFTER APPLYING APAR IV75172

APAR status

• Closed as program error.

Error description

• Error Message: core dump
  .
  Stack Trace: Stack trace is below:Segmentation fault in
  sysWideCharToMBCS at 0x1000090a8 ($t1)0x1000090a8
  (sysWideCharToMBCS+0x228) 98640000            stb
  r3,0x0(r4)(dbx) tsysWideCharToMBCS(0x110021572) at
  0x1000090a8sysSeqUnicodeToMBCS(0x110021550) at
  0x100009f58propertyParser.parsePropertyFile(0x11001b870) at
  0x10000e6c8getFileForCacheType(0x10001a658, 0x110036e50) at
  0x10000ecb8getSplashFile(0x110036e50) at
  0x100011080getAppSplashFiles(0x110023670, 0xfffffffffff09a8) at
  0x100018a98main(0x200000002, 0xffffffffffff0f0) at
  0x100004d80(dbx)
  .
  

Local fix

• Use  "-Xnosplash" or do "javaws -clearcache" before launching
  

Problem summary

• 1) Clear the cache by deleting .java folder "rm -rf .java"2)
  Launch webstart application and stop3) Launch webstart
  application4) dumps core
  

Problem conclusion

• Issue is fix in java8sr1. Root cause of the issue is malloc(0)
  returns NULL on AIX but return aribitary pointer on non AIX. So
  there was an assumption made and null character is placed by
  deferencing returned pointer which results in dumping core.
  Assumption is corrected now.
  .
  This APAR will be fixed in the following Java Releases:
     7    SR9       (7.0.9.0)
     7 R1 SR3       (7.1.3.0)
     8    SR1       (8.0.1.0)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the 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

  JAVA CLASS LIBS

• Fixed component ID

  620700130

Applicable component levels

• R800 PSY

     UP

• R700 PSY

     UP