[OpenJDK 2D-Dev] <2D Dev> [7u6] Request for review: 7027300 Unsynchronized HashMap access causes endless loop

Vladislav Karnaukhov Vladislav.Karnaukhov at oracle.com
Tue Jun 19 09:41:52 UTC 2012

Hi Andrew and all,

please see updated webrev here: 

- Vlad

On 19.06.12 11:35, Andrew Brygin wrote:
> Hello Vladislav,
>  the fix itself seems to be pretty close to the fix for jdk8,
>  but introduces different import order, and an additional comment.
>  From my point of view, we should keep jdk7 and jdk8 sources as close
>  as it is possible just to reduce the backporting overhead.
>  In this particular case, I do not see a strong need in mentioned 
> modifications
>  so could you please consider to do a direct backport of the jdk8 change?
> Thanks,
> Andrew
> On 18.06.2012 17:31, Vladislav Karnaukhov wrote:
>> Hello,
>> please review a fix for CR 7027300: Unsynchronized HashMap access 
>> causes endless loop.
>> The issue is that SunLayoutEngine.getEngine uses non-synchronized 
>> HashMap, which may cause an endless loop.
>> The fix is to use ConcurrentHashMap instead of HashMap.
>> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7027300
>> Webrev: http://cr.openjdk.java.net/~vkarnauk/7027300/webrev.00/
>> Regards,
>> - Vlad

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