The IDE crashes, on start up, after a recent Java update to 1.6.0_22 on Mac OS 10.6.4. The Java update was part of a standard OS X system update. Crash report below.
Process: JavaApplicationStub [266]
Path: /Applications/Arduino.app/Contents/MacOS/JavaApplicationStub
Identifier: cc.arduino.Arduino
Version: 0021 (0021)
Code Type: X86 (Native)
Parent Process: launchd [191]
Date/Time: 2010-10-25 17:06:29.205 -0700
OS Version: Mac OS X 10.6.4 (10F569)
Report Version: 6
Interval Since Last Report: 656861 sec
Crashes Since Last Report: 4
Per-App Interval Since Last Report: 41718 sec
Per-App Crashes Since Last Report: 4
Anonymous UUID: FC7B714E-7180-42B7-80AC-EFD743FE864F
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x000000000000000c
Crashed Thread: 3
Thread 0: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0x9246a0fa mach_msg_trap + 10
1 libSystem.B.dylib 0x9246a867 mach_msg + 68
2 com.apple.CoreFoundation 0x9785dfaf __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x9785d094 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x9785cec1 CFRunLoopRunInMode + 97
5 ...ple.JavaApplicationLauncher 0x000066f1 startupJava(LauncherArgsStruct*) + 342
6 ...ple.JavaApplicationLauncher 0x00008908 launchJavaApplicationWithJVMInfo + 1402
7 ...ple.JavaApplicationLauncher 0x00005cc3 launchJavaApplication + 39
8 cc.arduino.Arduino 0x00001e8a 0x1000 + 3722
9 cc.arduino.Arduino 0x00001cec 0x1000 + 3308
10 cc.arduino.Arduino 0x00001c19 0x1000 + 3097
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x92490942 kevent + 10
1 libSystem.B.dylib 0x9249105c _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x92490519 _dispatch_queue_invoke + 163
3 libSystem.B.dylib 0x924902be _dispatch_worker_thread2 + 240
4 libSystem.B.dylib 0x9248fd41 _pthread_wqthread + 390
5 libSystem.B.dylib 0x9248fb86 start_wqthread + 30
Thread 2:
0 libSystem.B.dylib 0x9248f9d2 __workq_kernreturn + 10
1 libSystem.B.dylib 0x9248ff68 _pthread_wqthread + 941
2 libSystem.B.dylib 0x9248fb86 start_wqthread + 30
Thread 3 Crashed:
0 libjvmlinkage.dylib 0x000a0d52 JVM_GetInterfaceVersion + 18
1 libjava.jnilib 0x000af06d JNI_OnLoad + 33
2 libjvm.dylib 0x028148e9 0x2800000 + 84201
3 libjvm.dylib 0x02814377 0x2800000 + 82807
4 libjvm.dylib 0x02814345 0x2800000 + 82757
5 libjvm.dylib 0x0280e54b 0x2800000 + 58699
6 libjvm.dylib 0x028018a3 0x2800000 + 6307
7 libjvm.dylib 0x029f7309 JNI_CreateJavaVM_Impl + 185
8 ...ple.JavaApplicationLauncher 0x000075be startJavaApplication + 3595
9 ...ple.JavaApplicationLauncher 0x000067b1 runJava(LauncherArgsStruct*) + 78
10 ...ple.JavaApplicationLauncher 0x0000675b java_main_stub(void*) + 22
11 libSystem.B.dylib 0x9249781d _pthread_start + 345
12 libSystem.B.dylib 0x924976a2 thread_start + 34
Thread 4:
0 libSystem.B.dylib 0x9246a0fa mach_msg_trap + 10
1 libSystem.B.dylib 0x9246a867 mach_msg + 68
2 libSystem.B.dylib 0x924d5e18 mach_msg_server + 520
3 libjvm.dylib 0x0280ed25 0x2800000 + 60709
4 libjvm.dylib 0x0280eae5 0x2800000 + 60133
5 libjvm.dylib 0x02ac6091 JVM_RaiseSignal + 442177
6 libSystem.B.dylib 0x9255faf2 _pthread_body + 27
Thread 3 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0x028146fb ecx: 0x00500d80 edx: 0xb0903750
edi: 0xb0903750 esi: 0x000af05c ebp: 0xb0903658 esp: 0xb0903650
ss: 0x0000001f efl: 0x00010286 eip: 0x000a0d52 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037
cr2: 0x0000000c
Binary Images:
0x1000 - 0x1fff +cc.arduino.Arduino 0021 (0021) <5E54AC31-1068-E190-4963-CAF51A6A915A> /Applications/Arduino.app/Contents/MacOS/JavaApplicationStub
0x5000 - 0xfff7 com.apple.JavaApplicationLauncher 13.3.0 (13.3.0) <869D5EC4-730B-B902-6CD3-C6946815DE37> /System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Versions/A/JavaApplicationLauncher
0x17000 - 0x1fff7 com.apple.JavaVM 13.3.0 (13.3.0) <305C2162-CCF2-1D2A-EE2B-B7D666DEA849> /System/Library/Frameworks/JavaVM.framework/Versions/A/JavaVM
0x82000 - 0x8aff7 libverify.dylib 1.0 (1.0) <5E6D4960-086E-AC8B-5428-8271E5757EB4> /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Libraries/libverify.dylib
0x8f000 - 0x97ff7 JavaNativeFoundation ??? (???) <2969E61F-2A16-2A87-1B39-777B86F8230A> /System/Library/Frameworks/JavaVM.framework/Versions/A/Frameworks/JavaNativeFoundation.framework/Versions/A/JavaNativeFoundation
0xa0000 - 0xa7ff3 libjvmlinkage.dylib ??? (???) <5EC4F027-FDF1-C828-6419-F51B9BE15B03> /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Libraries/libjvmlinkage.dylib
0xae000 - 0xcbff7 libjava.jnilib ??? (???) <153634A3-2CC3-8ED3-7DD8-6A9A7499B7C5> /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Libraries/libjava.jnilib
0x2800000 - 0x2b51fe3 libjvm.dylib ??? (???) /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0 copy/Home/bundle/Libraries/libjvm.dylib
0x8fe00000 - 0x8fe4162b dyld 132.1 (???) /usr/lib/dyld
0x90003000 - 0x9000cff7 com.apple.DiskArbitration 2.3 (2.3) /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
0x90210000 - 0x90210ff7 com.apple.CoreServices 44 (44) /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x90218000 - 0x90219ff7 com.apple.audio.units.AudioUnit 1.6.3 (1.6.3) <959DFFAE-A06B-7FF6-B713-B2076893EBBD> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x9021a000 - 0x9023cfef com.apple.DirectoryService.Framework 3.6 (621.3) <05FFDBDB-F16B-8AC0-DB42-986965FCBD95> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
0x90268000 - 0x9028cff7 libJPEG.dylib ??? (???) <5CE96981-6B2A-D15B-4A17-E7BD329095B6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
0x9030f000 - 0x9043dfe7 com.apple.CoreData 102.1 (251) /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x9043e000 - 0x90442ff7 IOSurface ??? (???) <66E11D8E-CF4B-EFD0-37F9-20177C647021> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
0x90443000 - 0x9047bff7 libcups.2.dylib 2.8.0 (compatibility 2.0.0) <76C02F5C-98FD-BD64-B5FB-C698FB76EA25> /usr/lib/libcups.2.dylib
0x9065c000 - 0x9070aff3 com.apple.ink.framework 1.3.3 (107) <57B54F6F-CE35-D546-C7EC-DBC5FDC79938> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
0x9076b000 - 0x9076bff7 com.apple.vecLib 3.6 (vecLib 3.6) <7362077A-890F-3AEF-A8AB-22247B10E106> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
0x9076c000 - 0x90815ff7 com.apple.CFNetwork 454.9.8 (454.9.8) /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x90834000 - 0x90865ff7 libGLImage.dylib ??? (???) <9340012D-595A-6243-9C97-7D30D76D9D9E> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x90899000 - 0x9094fffb libFontParser.dylib ??? (???) <067DC1A2-764B-41EA-B07E-4205472749B7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
0x90950000 - 0x90a00ff3 com.apple.ColorSync 4.6.3 (4.6.3) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
0x90a09000 - 0x90a1dfe7 libbsm.0.dylib ??? (???) <14CB053A-7C47-96DA-E415-0906BA1B78C9> /usr/lib/libbsm.0.dylib
0x90a1e000 - 0x90a62fe7 com.apple.Metadata 10.6.3 (507.10) <630494FA-3BB3-EDD3-E10B-8DAAF4831E26> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x90bba000 - 0x90c3cffb SecurityFoundation ??? (???) <3670AE8B-06DA-C447-EB14-79423DB9C474> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
0x90c51000 - 0x90d7dfff com.apple.audio.toolbox.AudioToolbox 1.6.3 (1.6.3) /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x90daf000 - 0x90e68fe7 libsqlite3.dylib 9.6.0 (compatibility 9.0.0) <16CEF8E8-8C9A-94CD-EF5D-05477844C005> /usr/lib/libsqlite3.dylib
0x90e7c000 - 0x90e86ffb com.apple.speech.recognition.framework 3.11.1 (3.11.1) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
0x90e87000 - 0x90e87ff7 com.apple.ApplicationServices 38 (38) <8012B504-3D83-BFBB-DA65-065E061CFE03> /System/Library/Frameworks/ApplicationServices.f