The release version of jdk 7u6 for Mac OS X has a strange error when starting a JavaFX app on OS X 10.8 (Mountain Lion). The animations I had previously are now slow and choppy.

Here's the error:

2012-08-14 12:37:32.024 java[6261:707] unrecognized type is -2
2012-08-14 12:37:32.025 java[6261:707] *** Assertion failure in -[NSEvent _initWithCGSEvent:eventRef:], /SourceCache/AppKit/AppKit-1187/AppKit.subproj/NSEvent.m:1348
2012-08-14 12:37:32.025 java[6261:707] Invalid parameter not satisfying: cgsEvent.type > 0 && cgsEvent.type <= kCGSLastEventType
2012-08-14 12:37:32.027 java[6261:707] (
0 CoreFoundation 0x00007fff8f269716 __exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff8ca1f470 objc_exception_throw + 43
2 CoreFoundation 0x00007fff8f269558 +[NSException raise:format:arguments:] + 104
3 Foundation 0x00007fff8b456962 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 189
4 AppKit 0x00007fff8bea6d2c -[NSEvent _initWithCGSEvent:eventRef:] + 2782
5 AppKit 0x00007fff8c124d9a +[NSEvent eventWithCGEvent:] + 243
6 libglass.dylib 0x000000016a28e02f listenTouchEvents + 31
7 CoreGraphics 0x00007fff90aa8a91 processEventTapData + 150
8 CoreGraphics 0x00007fff90aa88e4 _CGYPostEventTapData + 189
9 CoreGraphics 0x00007fff90d4fa65 _XPostEventTapData + 107
10 CoreGraphics 0x00007fff90d4fb5d CGYEventTap_server + 106
11 CoreGraphics 0x00007fff90aa89d2 eventTapMessageHandler + 30
12 CoreFoundation 0x00007fff8f1d8b50 __CFMachPortPerform + 288
13 CoreFoundation 0x00007fff8f1d8a19 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
14 CoreFoundation 0x00007fff8f1d8759 __CFRunLoopDoSource1 + 153
15 CoreFoundation 0x00007fff8f20b8bf __CFRunLoopRun + 1775
16 CoreFoundation 0x00007fff8f20add2 CFRunLoopRunSpecific + 290
17 HIToolbox 0x00007fff96193774 RunCurrentEventLoopInMode + 209
18 HIToolbox 0x00007fff96193512 ReceiveNextEventCommon + 356
19 HIToolbox 0x00007fff961933a3 BlockUntilNextEventMatchingListInMode + 62
20 AppKit 0x00007fff8bdc7fa3 _DPSNextEvent + 685
21 AppKit 0x00007fff8bdc7862 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
22 AppKit 0x00007fff8bdbec03 -[NSApplication run] + 517
23 libglass.dylib 0x000000016a27b4e9 -[GlassApplication runLoop:] + 777
24 Foundation 0x00007fff8b4dc8a7 __NSThreadPerformPerform + 225
25 CoreFoundation 0x00007fff8f1e8841 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
26 CoreFoundation 0x00007fff8f1e8165 __CFRunLoopDoSources0 + 245
27 CoreFoundation 0x00007fff8f20b4e5 __CFRunLoopRun + 789
28 CoreFoundation 0x00007fff8f20add2 CFRunLoopRunSpecific + 290
29 java 0x000000010e9ab4bc CreateExecutionEnvironment + 871
30 java 0x000000010e9a5cac JLI_Launch + 1952
31 java 0x000000010e9ab819 main + 101
32 java 0x000000010e9a5504 start + 52
33 ??? 0x0000000000000006 0x0 + 6
)