APAR status
Closed as program error.
Error description
Error Message: N/A . Stack Trace: N/A . N/A
Local fix
Cache the default timezone in the application.
Problem summary
The Poor performance was due to the excess synchronization in TimeZone class as the entire method is synchronized.
Problem conclusion
This defect will be fixed in: 6.0.0 SR12 6.0.1 SR4 7.0.0 SR3 . The JDK is updated to limit the synchronization only when it is required and thereby minimize the contention.
Temporary fix
Comments
APAR Information
APAR number
IV28205
Reported component name
JAVA CLASS LIBS
Reported component ID
620700130
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-09-20
Closed date
2012-10-05
Last modified date
2012-11-02
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
JAVA CLASS LIBS
Fixed component ID
620700130
Applicable component levels
R600 PSY
UP
R700 PSY
UP
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