IV20210: JVM CRASH WHEN RELOADING HEALTH CENTER

APAR status

• Closed as program error.

Error description

• Error Message: JVMJ9TI003E Agent_OnLoad failed for library
  healthcenter
  Unhandled exception
  Type=Segmentation error vmState=0x00000000
  .
  Stack Trace: #12 <signal handler called>
  #13 0x00000000 in ?? ()
  #14 0xd60630f7 in
  Java_com_ibm_java_diagnostics_healthcenter_agent_dataproviders_J
  LADataProvider_startJLA () from
  /home/jdoe/vm/java626/jvmxi3260_26sr1/jre/bin/libhealthcenter.so
  #15 0xf74803b4 in VMprJavaSendNative () at jnisend.s:479
  .
  

Local fix

• Do not establish more than one Health Center connection to the
  Java VM.
  

Problem summary

• The problem is caused when a shared library is loaded
  successfully, then loaded a second time unsuccessfully.
  

Problem conclusion

• This defect will be fixed in:
  6.0.1 SR1
  7.0.0 SR1
  6.0.0 SR11
  .
  The shared library management algorithm has been updated to
  handle multiple loads of the same shared library.
  

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

• R260 PSY

     UP

• R600 PSY

     UP