IJ00870: SEGMENTATION ERROR DURING CLASS LOADING

APAR status

• Closed as program error.

Error description

• Error Message: Unhandled exception
  Type=Segmentation error vmState=0x00000000
  ...
  Module=.../libj9vm29.so
  .
  Stack Trace: ConstantPoolMap::findVarHandleMethodRefs+0x37
  ClassFileOracle::ClassFileOracle+0x29e
  ROMClassBuilder::prepareAndLaydown+0x142
  ROMClassBuilder::buildROMClass+0x1a9
  j9bcutil_buildRomClass+0x15a
  callDynamicLoader+0x1b8
  internalLoadROMClass+0x6fb
  createROMClassFromClassFile+0x6e
  internalDefineClass+0x3d1
  defineClassCommon+0x4bf
  Java_java_lang_ClassLoader_defineClassImpl+0xab
  .
  N/A
  

Local fix

• N/A
  

Problem summary

• The problem was caused by improper error handling in class
  loading, resulting in the usage of uninitialized data.
  

Problem conclusion

• The JVM has been updated to properly handle errors in class
  loading.
  .
  This APAR will be fixed in the following Java Releases:
     8    SR5 FP5   (8.0.5.5)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  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

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R270 PSY

     UP