Open yathamravali opened 2 years ago
@keithc-ca @pshipton @tajila : please help
I am investigating.
Less work is done by default when producing java dumps as a result of these three pull requests:
There is still the potential for a hang, but the number of threads would have to be significantly higher. I intend to:
Java -version output
Output from
java -version
.Summary of problem
Javacore generation with kill -3 completely freezes JVM on 8.0.7.10 onwards for process with high number of threads
The HMC Next product moved from 8.0.7.6 to 8.0.7.10 and this problem started. In the product test environment, every time a javacore is generated using kill -3, the Java process completely hangs, and absolutely no response or movement within the JVM.
The change which introduced the issue is : https://github.com/eclipse/omr/pull/6345
Next steps
As the Issue is on high priority and as the hang occurs during javacore generation which is the basic functionality we expect getting more similar issues from other customers as well starting from Java 8.0.7.10.
@tajila @pshipton Could you please consider providing a command line option so that the resolving of function name can be disabled/enabled?
From service perspective, this new option is needed because :
Thanks in Advance for all your help on this issue!