Suspected bug in jdk8u runtime or JIT

[Simon Nash]

Alex Kashchenko wrote:
> Hi Simon,
> 
> On 10/24/2016 09:36 AM, Andrew Haley wrote:
>> On 23/10/16 18:24, Simon Nash wrote:
>>> I have built the current code in the aarch32 jdk8u project and I have 
>>> been
>>> testing the compact3 JRE with my application.  I recently encountered an
>>> error as shown below.  I also have a core dump file.  Does this look 
>>> like
>>> a possible bug in the jdk8u runtime or JIT?  If so, should I create a 
>>> formal
>>> bug report and what is the procedure for doing this?
>>
>> No, you can't do that.  What you can do, which is much more useful, is
>> tell us how to reproduce the problem.  Without a reproducer it won't
>> get fixed anyway.
> 
> According to log the problem occurred in zlib, I can suggest trying to 
> use sun.zip.disableMemoryMapping flag.
> 
> Manipulations with ZIP/JAR files during the JVM run can cause similar 
> crashes - https://bugs.openjdk.java.net/browse/JDK-8160529
> 
Thanks very much for this pointer.  I had replaced a jar file on disk
without having closed it in my application and it seems that this was the
cause of the crash.

  Simon