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Description of problem:

Occasional random NullPointerExceptions while running various Java applications.

Additional info:

Bug is already acknowledged and fixed upstream.  The patch is here:

http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/f6c7981c093e

For safety, we could surround this patch with 

#ifdef AARCH64

I will take it once it is acked. 
Please note that Z-stream clone will need tobe approved afterwards.

Ah, so this is not in AArch64 code.

Has this been proposed for 8u?

(In reply to Andrew John Hughes from comment #2)
 
> Has this been proposed for 8u?

Not yet.

Andrew.

http://pkgs.devel.redhat.com/cgit/rpms/java-1.8.0-openjdk/commit/?h=rhel-7.3&id=b2a4d93793b3846caf5db0a7d196f786baaf6385

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHEA-2016-2139.html