APAR status
Closed as program error.
Error description
Error Message: The CompilationMXBean method getCompilationTime() may return incorrect data if the system's calendar time is adjusted. . Stack Trace: N/A .
Local fix
Problem summary
Compilation time measurement may be affected by adjustments to the system's calendar time. The calendar time may be adjusted such that the current time is before the last compilation start time. In such cases, the difference between current time and last compilation start time will be negative, and adding this value to the total compilation time will cause the total compilation time to decrease.
Problem conclusion
This defect will be fixed in: 6.0.0 SR11 6.0.1 SR3 7.0.0 SR2 . Monotonic time replaced the calendar time for compilation time calculations. Also extra checks for time going backwards and timer wraparound are added to VM. In the cases where time goes backwards, total compilation time stays same.
Temporary fix
Comments
APAR Information
APAR number
IV25689
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-08-05
Closed date
2012-08-05
Last modified date
2012-09-13
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
R600 PSY
UP
R260 PSY
UP
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Document Information
Modified date:
13 September 2012