APAR status
Closed as program error.
Error description
Error Message: N/A . Stack Trace: N/A . The JVM takes a long time to generate a javacore.txt file when one is requested. This problem typically occurred when JVM has hundreds of threads running and tens of thousands of monitors.
Local fix
Problem summary
This was a performance issue while producing the information for the LOCKS section of the javacore.txt report. One particular case was caused by the presence of hundreds of threads and tens of thousands of classloaders each of which had an associated monitor however monitors may be created for other reasons.
Problem conclusion
This defect will be fixed in: 6.0.1 SR2 7.0.0 SR1 . The JVM has been updated to gather this information more efficiently.
Temporary fix
Comments
APAR Information
APAR number
IV19631
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-04-12
Closed date
2012-04-12
Last modified date
2012-04-12
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
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
Document Information
Modified date:
22 February 2022