Hey guys,

in the current release, i.e.

java version "1.8.0_20"
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

there is a bug that causes crashes, because some code calls 
Java_sun_lwawt_macosx_LWCToolkit_stopAWTRunLoop with NULL as mediatorObject 
(i.e. argument).

I have filed this bug already on 8/25/2014 for 1.8.0_20-ea at 
http://bugreport.java.com. There it received review id JI-9014527 and was not 
seen ever since.

The crash has re-appeared in the final 1.8.0_20 (the version above). A full 
crash log can be found at http://www.beatunes.com/download/stopAWTRunLoop.crash
The most important part is:

Application Specific Information:
*** CFRelease() called with NULL ***

Thread 30 Crashed:: Java: AWT-EventQueue-0
0   com.apple.CoreFoundation            0x00007fff863404c4 CFRelease + 724
1   libawt_lwawt.dylib                  0x00000001256fe6b6 
Java_sun_lwawt_macosx_LWCToolkit_stopAWTRunLoop + 72
2   ???                                 0x000000010fe14714 0 + 4561389332
3   ???                                 0x000000010fe0698d 0 + 4561332621
4   ???                                 0x000000010fe069d2 0 + 4561332690
5   ???                                 0x000000010fe0698d 0 + 4561332621
6   ???                                 0x0000000111f3f204 0 + 4596167172
7   ???                                 0xf4bbddf7f8000b3f 0 + 
17634932822986722111

Could someone with access to the bug system please attach the provided crash 
log to the original bug?
And also add the additional info, that this time it happened with the final 
1.8.0_20 release?

I have 

Thank you - your help is much appreciated.

-hendrik

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