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Java HotSpot

Radar #3441352

Java crashes resulted in 2 separate crash logs: CrashReporter's log and the JavaNativeCrash log.

Description:

For Java 1.5 crashes, the CrashReporter crash log now adds all of the information that the JavaNativeCrash log previously did. There no longer is a JavaNativeCrash log.

Resolution:

This problem is now fixed.

Radar #4413936

Concurrent Mark Sweep Garbage Collection Issues

Description:

Applications that use the "+UseConcMarkSweepGC" flag (Concurrent Mark Sweep Garbage Collection algorithm) tended to be unstable.

Resolution:

This problem is now fixed.

Radar #4626636

On Intel Macs, using a custom JVMTI agent may cause crash.

Description:

Custom JVMTI agent native libraries will cause a crash due to EXC_BAD_INSTRUCTION if they call out to another library with a misaligned stack.

Workaround:

This crash can be avoided by adding the __attribute__((force_align_arg_pointer)) gcc attribute to the declaration of each function in the custom JVMTI agent native library.

Radar #4896710

Java crashes when passed -Dsun.boot.class.path argument, if that path contains more than one directory

Description:

If a users passed -Dsun.boot.class.path with more than one directory on the path, Java would crash.

Resolution:

This problem is now fixed.

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