APAR status
Closed as program error.
Error description
Error Message: N/A . Stack Trace: N/A . Arraylet tracepoint Trc_MM_allocateAndConnectNonContiguousArraylet_Entry became very hot.
Local fix
This issue can be worked around using the -Xtrace:none=j9mm.213 option to disable hot arraylet tracepoint.
Problem summary
The problem is caused by changes in the GC code that triggered tracepoin on allocation of any zero-sized array.
Problem conclusion
This APAR will be fixed in the following Java Releases: 7 R1 SR1 (7.1.1.0) . The tracepoint priority for zero-sized arrays was lowered .
Temporary fix
Comments
APAR Information
APAR number
IV58528
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
270
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2014-04-01
Closed date
2014-04-03
Last modified date
2014-04-03
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
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Document Information
Modified date:
21 February 2022