APAR status
Closed as program error.
Error description
Error Message: Crash in JVM when class redefinition happens. . Stack Trace: . Note this can affect all platforms.
Local fix
-Xjit:disableNextGenHCR. Note however that this will cause throughput performance drop of around 3% depending on the actual application
Problem summary
The problem is caused when class redefinition happens and execution of compiled code transit to interpreter at bytecode for invoking a function call. The compiled code would pass incorrect arguments to the interpreter due to wrong book keeping.
Problem conclusion
The JIT compiler has been updated to pass correct arguments when transit to interpreter at invoke bytecode. . This APAR will be fixed in the following Java Releases: 8 SR6 (8.0.6.0) . 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 number
IJ20441
Reported component name
JIT
Reported component ID
620700124
Reported release
130
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-10-22
Closed date
2019-11-14
Last modified date
2019-11-21
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
JIT
Fixed component ID
620700124
Applicable component levels
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSC9HBA","label":"Just In Time (JIT) Compiler"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"130","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
21 November 2019