java.lang.NullPointerException

JDK Bug System | Webbug Group | 11 months ago
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    FULL PRODUCT VERSION : java version "1.8.0_92" Java(TM) SE Runtime Environment (build 1.8.0_92-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.92-b14, mixed mode) ADDITIONAL OS VERSION INFORMATION : OS X El Capitan 10.11.5 EXTRA RELEVANT SYSTEM CONFIGURATION : MacBook Pro (Retina, 15-inch, Mid 2014) Processor 2.8 GHz Intel Core i7 Memory 16 GB 1600 MHz DDR3 Graphics Intel Iris Pro 1536 MB A DESCRIPTION OF THE PROBLEM : Android Studio 2.x crashes consistently after a few minutes of use. simply navigating around a project, opening/closing files, is sufficient to produce a crash. i have not yet been able to find a deterministic way to cause a crash. it seems to happen randomly, but always within a few minutes (< 5min) of light usage. Android Studio 1.x does not suffer this problem. ERROR MESSAGES/STACK TRACES THAT OCCUR : Exception Name: JavaNativeException Description: java.lang.NullPointerException at sun.lwawt.macosx.CAccessibility.getAccessibleIndexInParent(CAccessibility.java:287) User Info: (null) 0 CoreFoundation 0x00007fff9d6ff4f2 __exceptionPreprocess + 178 1 libobjc.A.dylib 0x00007fff90b07f7e objc_exception_throw + 48 2 CoreFoundation 0x00007fff9d6ff439 -[NSException raise] + 9 3 JavaNativeFoundation 0x000000011a39351f JNFCallStaticIntMethod + 236 4 libawt_lwawt.dylib 0x000000011c573deb +[JavaComponentAccessibility createWithAccessible:withEnv:withView:] + 76 5 libawt_lwawt.dylib 0x000000011c57430b -[JavaComponentAccessibility accessibilityFocusedUIElement] + 194 6 libawt_lwawt.dylib 0x000000011c5494f6 -[AWTView accessibilityFocusedUIElement] + 156 7 AppKit 0x00007fff99a37c97 -[NSWindow(NSWindowAccessibility) accessibilityFocusedUIElement] + 118 8 libawt_lwawt.dylib 0x000000011c574069 +[JavaComponentAccessibility postFocusChanged:] + 96 9 Foundation 0x00007fff97a2cfde __NSThreadPerformPerform + 279 10 CoreFoundation 0x00007fff9d694881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 11 CoreFoundation 0x00007fff9d673fbc __CFRunLoopDoSources0 + 556 12 CoreFoundation 0x00007fff9d6734df __CFRunLoopRun + 927 13 CoreFoundation 0x00007fff9d672ed8 CFRunLoopRunSpecific + 296 14 HIToolbox 0x00007fff8ee21935 RunCurrentEventLoopInMode + 235 15 HIToolbox 0x00007fff8ee2176f ReceiveNextEventCommon + 432 16 HIToolbox 0x00007fff8ee215af _BlockUntilNextEventMatchingListInModeWithFilter + 71 17 AppKit 0x00007fff99256df6 _DPSNextEvent + 1067 18 AppKit 0x00007fff99256226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454 19 libosxapp.dylib 0x000000011d8a33aa -[NSApplicationAWT nextEventMatchingMask:untilDate:inMode:dequeue:] + 124 20 AppKit 0x00007fff9924ad80 -[NSApplication run] + 682 21 libosxapp.dylib 0x000000011d8a314d +[NSApplicationAWT runAWTLoopWithApp:] + 156 22 libawt_lwawt.dylib 0x000000011c5884b3 -[AWTStarter starter:] + 905 23 Foundation 0x00007fff97a2cfde __NSThreadPerformPerform + 279 24 CoreFoundation 0x00007fff9d694881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 25 CoreFoundation 0x00007fff9d673fbc __CFRunLoopDoSources0 + 556 26 CoreFoundation 0x00007fff9d6734df __CFRunLoopRun + 927 27 CoreFoundation 0x00007fff9d672ed8 CFRunLoopRunSpecific + 296 28 studio 0x00000001000012f3 main + 357 29 studio 0x000000010000116c start + 52 30 ??? 0x0000000000000001 0x0 + 1 REPRODUCIBILITY : This bug can be reproduced always.

    JDK Bug System | 11 months ago | Webbug Group
    java.lang.NullPointerException
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at sun.lwawt.macosx.CAccessibility.getAccessibleIndexInParent()
  2. Java RT
    CAccessibility.getAccessibleIndexInParent
    1. sun.lwawt.macosx.CAccessibility.getAccessibleIndexInParent(CAccessibility.java:287)
    1 frame