[macosx] netbeans crashes in thread: Java: Java2D Queue Flusher

Netbeans crashes when running on 7u4-b17. I can't reproduce it at will, but I had 3 crashes yesterday during a total of 6 hours.

Top of crash report says:

Process: java [17985]
Path: /usr/bin/java
Identifier: org.netbeans.ide.baseide.201203012225
Version: 1.0 (1.0)
Code Type: X86-64 (Native)
Parent Process: bash [17773]

PlugIn Path: /Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home/jre/lib/server/libjvm.dylib
PlugIn Identifier: libjvm.dylib
PlugIn Version: ??? (???)

Date/Time: 2012-03-28 14:51:51.790 +0200
OS Version: Mac OS X 10.7.3 (11D50b)
Report Version: 9

Interval Since Last Report: 320431 sec
Crashes Since Last Report: 3
Per-App Interval Since Last Report: 20883 sec
Per-App Crashes Since Last Report: 2
Anonymous UUID:

Crashed Thread: 21 Java: Java2D Queue Flusher

Exception Type: EXC_BAD_ACCESS (SIGABRT)
Exception Codes: KERN_INVALID_ADDRESS at 0x00007fa026c402d9

VM Regions Near 0x7fa026c402d9:
    VM_ALLOCATE 00000007fe780000-0000000800000000 [ 24.5M] ---/rwx SM=NUL
-->
    MALLOC_TINY 00007fa051400000-00007fa051700000 [ 3072K] rw-/rwx SM=COW

Application Specific Information:
objc[17985]: garbage collection is OFF
abort() called

Offending thread says:

Thread 21 Crashed:: Java: Java2D Queue Flusher
0 libsystem_kernel.dylib 0x00007fff9645ece2 __pthread_kill + 10
1 libsystem_c.dylib 0x00007fff8bc687d2 pthread_kill + 95
2 libsystem_c.dylib 0x00007fff8bc59a7a abort + 143
3 libjvm.dylib 0x000000010bdb279f os::abort(bool) + 25
4 libjvm.dylib 0x000000010bea08fa VMError::report_and_die() + 2306
5 libjvm.dylib 0x000000010bdb3e1b JVM_handle_bsd_signal + 1047
6 libsystem_c.dylib 0x00007fff8bcbacfa _sigtramp + 26
7 liblwawt.dylib 0x000000011afc96e9 AccelGlyphCache_RemoveCellInfo + 18
8 liblwawt.dylib 0x000000011afc99c4 AccelGlyphCache_AddGlyph + 441
9 liblwawt.dylib 0x000000011afc7a39 OGLTR_AddToGlyphCache + 79
10 liblwawt.dylib 0x000000011afc8376 OGLTR_DrawGlyphList + 691
11 liblwawt.dylib 0x000000011afc4c2e Java_sun_java2d_opengl_OGLRenderQueue_flushBuffer + 674
12 ??? 0x000000010d8f336a 0 + 4522455914
13 ??? 0x000000010e6e97d0 0 + 4537096144
14 ??? 0xfa097e54f70e1fb8 0 + 18017070687659630520

The complete crash report is attached.