Fixes are available
APAR status
Closed as program error.
Error description
Error Message: A GPF event is received or a NullPointerException is received when method java/lang/Object.hashCode() is called. . Stack Trace: The native stack trace looks like this (if it is a crash): jclse7b_29!Java_com_ibm_jit_JITHelpers_getBackfillOffsetFromJ9Cl ass64 The Java stack trace looks like this: com/ibm/jit/JITHelpers.getBackfillOffsetFromJ9Class64(J)J java/lang/J9VMInternals.fastIdentityHashCode(Ljava/lang/Object;) I java/lang/Object.hashCode()I .
Local fix
Problem summary
The problem is caused when a 32 bit class pointer is sign-extended to a 64-bit inaccessible address.
Problem conclusion
The JVM has been updated so that the 32 bit class pointer is properly extended to a 64 bit one. . This APAR will be fixed in the following Java Releases: 8 SR5 FP11 (8.0.5.11) . 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
IJ04429
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
270
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-02-26
Closed date
2018-03-01
Last modified date
2018-06-05
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:
22 February 2022