APAR status
Closed as program error.
Error description
Error Message: If construct ArrayList from ConcurrentHashMap, null entries may be created. It occurs in multi-thread env and the entries in ConcurrentHashMap are being removed while constructing the ArrayList. . Stack Trace: N/A . N/A
Local fix
Avoid adding/removing entries in Collection which is served as the source when constructing ArrayList.
Problem summary
The problem is caused by the wrong design in ArrayList constructor as the size of ArrayList cannot be correctly set after constructing from a collection object.
Problem conclusion
This defect will be fixed in: 6.0.0 SR15 6.0.1 SR7 . The implementation of ArrayList(Collection) has been refined to ensure the size is set correctly.
Temporary fix
ZE FIX ERROR IV57438 14/03/26
Comments
APAR Information
APAR number
IV45453
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
2013-07-09
Closed date
2013-07-29
Last modified date
2014-05-09
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
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Document Information
Modified date:
09 May 2014