我有一个在沙盒中运行的应用程序，使用NSTask启动一个助手应用程序包（助手应用程序包包含在应用程序的捆绑包中）。
通过使用正确的授权，主应用程序能够使用NSTask启动助手，并继承了沙盒而没有崩溃。唯一的问题似乎是当我打开NSOpenPanel时，会出现以下崩溃。请注意，当使用NSOpenPanel时，调用者应用程序不会崩溃，只有助手程序会崩溃。
这看起来像是系统中的一个错误，所以如果有人之前遇到过这个问题，可能有一个解决方法。
下面是主应用程序的授权:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.device.usb</key>
<true/>
<key>com.apple.security.files.bookmarks.app-scope</key>
<true/>
<key>com.apple.security.device.serial</key>
<true/>
<key>com.apple.security.network.client</key>
<true/>
<key>com.apple.security.files.user-selected.read-write</key>
<true/>
</dict>
</plist>
助手的权限：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.inherit</key>
<true/>
</dict>
</plist>
打开NSOpenPanel时崩溃：
2015-12-09 10:35:56.879 Desktops[29807:22090051] -[NSVBSavePanel init] caught non-fatal NSObjectNotAvailableException 'service com.apple.appkit.xpc.openAndSavePanelService failed to init an instance of NSOpenPanelService on behalf of <NSLayerCentricRemoteView: 0x1077fd0> due to {
callStackSymbols = (
0 CoreFoundation 0x00007fff8f375e32 __exceptionPreprocess + 178
1 libobjc.A.dylib 0x00007fff855084fa objc_exception_throw + 48
2 CoreFoundation 0x00007fff8f3dc65d +[NSException raise:format:] + 205
3 com.apple.appkit.xpc.openAndSavePanelService 0x000000010879493a com.apple.appkit.xpc.openAndSavePanelService + 6458
4 AppKit 0x00007fff87e4a662 -[NSViewController _loadViewIfRequired] + 75
5 AppKit 0x00007fff87e4a5cd -[NSViewController view] + 30
6 ViewBridge 0x00007fff9180dbab -[NSViewServiceMarshal _bootstrap:replyData:] + 11432
7 ViewBridge 0x00007fff9180efb5 -[NSViewServiceMarshal bootstrap:withReply:] + 124
8 CoreFoundation 0x00007fff8f2e7b5c __invoking___ + 140
9 CoreFoundation 0x00007fff8f2e79ee -[NSInvocation invoke] + 286
10 CoreFoundation 0x00007fff8f302e36 -[NSInvocation invokeWithTarget:] + 54
11 ViewBridge 0x00007fff91847f01 -[NSVB_ViewServiceImplicitAnimationDecodingProxy forwardInvocation:] + 264
12 CoreFoundation 0x00007fff8f2e6472 ___forwarding___ + 514
13 CoreFoundation 0x00007fff8f2e61e8 _CF_forwarding_prep_0 + 120
14 CoreFoundation 0x00007fff8f2e7b5c __invoking___ + 140
15 CoreFoundation 0x00007fff8f2e79ee -[NSInvocation invoke] + 286
16 CoreFoundation 0x00007fff8f302e36 -[NSInvocation invokeWithTarget:] + 54
17 ViewBridge 0x00007fff918189fa -[NSVB_QueueingProxy forwardInvocation:] + 323
18 CoreFoundation 0x00007fff8f2e6472 ___forwarding___ + 514
19 CoreFoundation 0x00007fff8f2e61e8 _CF_forwarding_prep_0 + 120
20 CoreFoundation 0x00007fff8f2e7b5c __invoking___ + 140
21 CoreFoundation 0x00007fff8f2e79ee -[NSInvocation invoke] + 286
22 CoreFoundation 0x00007fff8f302e36 -[NSInvocation invokeWithTarget:] + 54
23 CoreFoundation 0x00007fff8f2e6472 ___forwarding___ + 514
24 CoreFoundation 0x00007fff8f2e61e8 _CF_forwarding_prep_0 + 120
25 CoreFoundation 0x00007fff8f2e7b5c __invoking___ + 140
26 CoreFoundation 0x00007fff8f2e79ee -[NSInvocation invoke] + 286
27 ViewBridge 0x00007fff918573db withHintInProgress + 501
28 ViewBridge 0x00007fff91857161 __deferNSXPCInvocationOntoMainThread_block_invoke_2 + 220
29 ViewBridge 0x00007fff917f5c3f +[NSViewServiceApplication withHostPID:invoke:] + 46
30 ViewBridge 0x00007fff9185702f __deferNSXPCInvocationOntoMainThread_block_invoke + 129
31 ViewBridge 0x00007fff91856c3a __deferBlockOntoMainThread_block_invoke_2 + 448
32 CoreFoundation 0x00007fff8f30b4dc __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
33 CoreFoundation 0x00007fff8f2eadf5 __CFRunLoopDoBlocks + 341
34 CoreFoundation 0x00007fff8f2eab5b __CFRunLoopRun + 2347
35 CoreFoundation 0x00007fff8f2e9fc8 CFRunLoopRunSpecific + 296
36 HIToolbox 0x00007fff86193d55 RunCurrentEventLoopInMode + 235
37 HIToolbox 0x00007fff86193b8f ReceiveNextEventCommon + 432
38 HIToolbox 0x00007fff861939cf _BlockUntilNextEventMatchingListInModeWithFilter + 71
39 AppKit 0x00007fff87e01d96 _DPSNextEvent + 1067
40 AppKit 0x00007fff87e011c5 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
41 ViewBridge 0x00007fff917f6c11 -[NSViewServiceApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 73
42 AppKit 0x00007fff87df5d28 -[NSApplication run] + 682
43 AppKit 0x00007fff87dbefbe NSApplicationMain + 1176
44 libxpc.dylib 0x00007fff91ee24f2 _xpc_objc_main + 793
45 libxpc.dylib 0x00007fff91ee0f1e xpc_main + 494
46 ViewBridge 0x00007fff9181c7b7 xpc_connection_handler + 0
47 ViewBridge 0x00007fff917faac9 NSViewServiceApplicationMain + 2818
48 com.apple.appkit.xpc.openAndSavePanelService 0x00000001087996ec main + 208
49 libdyld.dylib 0x00007fff896d85ad start + 1
50 ??? 0x0000000000000001 0x0 + 1
);
name = NSInternalInconsistencyException;
reason = "+[NSOpenAndSavePanelService loadViewToService:isOpenPanel:appCentric:] : failed entitlements check";
userInfo = "<null>";
}' with backtrace (
0 CoreFoundation 0x904a2c19 __raiseError + 201
1 libobjc.A.dylib 0x99387f11 objc_exception_throw + 276
2 ViewBridge 0x981b5cff __62-[NSRemoteViewBase advanceToConfigPhase:awaitingWindowRights:]_block_invoke + 0
3 ViewBridge 0x981b4518 -[NSRemoteViewBase advanceToConfigPhase] + 49
4 ViewBridge 0x981b6645 -[NSRemoteViewBase viewServiceMarshalProxy:withDetailedErrorHandler:] + 228
5 ViewBridge 0x981b6ace -[NSRemoteViewBase viewServiceMarshalProxy:withErrorHandler:] + 109
6 ViewBridge 0x981b62ce -[NSRemoteViewBase viewServiceMarshalProxy:] + 48
7 ViewBridge 0x981a88b5 -[NSRemoteViewBase bridge] + 255
8 AppKit 0x94e7e03c -[NSVBSavePanel init] + 689
9 AppKit 0x94e7dcfd +[NSSavePanel newRemotePanel] + 357
10 AppKit 0x94e7d94f +[NSSavePanel _crunchyRawUnbonedPanel] + 108
11 AppKit 0x94e7d8de +[NSOpenPanel openPanel] + 33
12 Desktops 0x000c7935 -[TDesktopInfoController choosePicture:] + 101
13 libobjc.A.dylib 0x993819e4 -[NSObject performSelector:withObject:] + 70
14 AppKit 0x94e7d556 __36-[NSApplication sendAction:to:from:]_block_invoke + 51
15 libsystem_trace.dylib 0x9a8b13c9 _os_activity_initiate + 85
16 AppKit 0x94e7d477 -[NSApplication sendAction:to:from:] + 610
17 AppKit 0x94e90e69 -[NSControl sendAction:to:] + 102
18 AppKit 0x94e90d5d __26-[NSCell _sendActionFrom:]_block_invoke + 176
19 libsystem_trace.dylib 0x9a8b13c9 _os_activity_initiate + 85
20 AppKit 0x94e90c8c -[NSCell _sendActionFrom:] + 161
21 AppKit 0x950ed08d __48-[NSCell trackMouse:inRect:ofView:untilMouseUp:]_block_invoke1010 + 43
22 libsystem_trace.dylib 0x9a8b13c9 _os_activity_initiate + 85
23 AppKit 0x94e8f039 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 2744
24 AppKit 0x94edb64b -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 809
25 AppKit 0x94e8d668 -[NSControl mouseDown:] + 693
26 AppKit 0x9547abff -[NSWindow _handleMouseDownEvent:isDelayedEvent:] + 6266
27 AppKit 0x9547c406 -[NSWindow _reallySendEvent:isDelayedEvent:] + 2303
28 AppKit 0x94e1971f -[NSWindow sendEvent:] + 567
29 AppKit 0x94d94bf2 -[NSApplication sendEvent:] + 2919
30 AppKit 0x94be807b -[NSApplication run] + 1159
31 AppKit 0x94bae6a4 NSApplicationMain + 1630
32 Desktops 0x0007b27e +[TAppController Main] + 46
33 Desktops 0x00011f7a PASCALMAIN + 90
34 Desktops 0x00011f10 main + 32
35 Desktops 0x00011ecd start + 253
36 Desktops 0x00011df8 start + 40
)
