启动 Quickblox 视频通话从 Web 到 iOS 应用程序后立即应用程序崩溃

Posted 2023-02-23

【中文标题】启动 Quickblox 视频通话从 Web 到 iOS 应用程序后立即应用程序崩溃

【英文标题】：App Crash Immediately after initiating Quickblox video call from web to iOS app

【发布时间】：2020-09-01 04:42:12

【问题描述】：

我曾尝试使用 QuickBlox 从网页到 ios 应用程序进行视频通话，但是当我从 Web 调用时，iOS 应用程序立即崩溃，日志如下。

[3553:77957] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFConstantString count]: unrecognized selector sent to instance 0x10e546c78'
*** First throw call stack:
(
    0   CoreFoundation                      0x00007fff23c7127e __exceptionPreprocess + 350
    1   libobjc.A.dylib                     0x00007fff513fbb20 objc_exception_throw + 48
    2   CoreFoundation                      0x00007fff23c91fd4 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
    3   CoreFoundation                      0x00007fff23c75c4c ___forwarding___ + 1436
    4   CoreFoundation                      0x00007fff23c77f78 _CF_forwarding_prep_0 + 120
    5   libswiftFoundation.dylib            0x000000010f8849f5 $sSD10FoundationE26_forceBridgeFromObjectiveC_6resultySo12NSDictionaryC_SDyxq_GSgztFZ + 709
    6   libswiftFoundation.dylib            0x000000010f8789e3 $sSD10FoundationE36_unconditionallyBridgeFromObjectiveCySDyxq_GSo12NSDictionaryCSgFZ + 67
    7   ProjectDemo                         0x000000010d71912a $s15ProjectDemo6HomeVCC20didReceiveNewSession_8userInfoySo12QBRTCSessionC_SDyS2SGSgtFTo + 138
    8   CoreFoundation                      0x00007fff23c7820c __invoking___ + 140
    9   CoreFoundation                      0x00007fff23c753af -[NSInvocation invoke] + 319
    10  CoreFoundation                      0x00007fff23c75684 -[NSInvocation invokeWithTarget:] + 68
    11  Quickblox                           0x000000010e4cb67e qb_jid + 89448
    12  libdispatch.dylib                   0x000000010fb97dd4 _dispatch_call_block_and_release + 12
    13  libdispatch.dylib                   0x000000010fb98d48 _dispatch_client_callout + 8
    14  libdispatch.dylib                   0x000000010fba6de6 _dispatch_main_queue_callback_4CF + 1500
    15  CoreFoundation                      0x00007fff23bd4049 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
    16  CoreFoundation                      0x00007fff23bceca9 __CFRunLoopRun + 2329
    17  CoreFoundation                      0x00007fff23bce066 CFRunLoopRunSpecific + 438
    18  GraphicsServices                    0x00007fff384c0bb0 GSEventRunModal + 65
    19  UIKitCore                           0x00007fff48092d4d UIApplicationMain + 1621
    20  ProjectDemo                         0x000000010d75a98b main + 75
    21  libdyld.dylib                       0x00007fff5227ec25 start + 1
    22  ???                                 0x0000000000000001 0x0 + 1
)
2020-09-01 09:56:40:474 ProjectDemo[3553:1260b] SEND: <a xmlns="urn:xmpp:sm:3" h="2"/>
libc++abi.dylib: terminating with uncaught exception of type NSException

【问题讨论】：

问题是-[__NSCFConstantString count]: unrecognized selector我们没有足够的信息来找到问题的原因，您需要调查它在哪里调用以及为什么它调用了错误的选择器

您好，请在 *** 上发布未来问题之前阅读此内容：***.com/help/how-to-ask

【参考方案1】：

该问题很可能与过时的 javascript SDK 有关。

根据我们的检查，您的 Javascript SDK 版本是 2.8.1。请将 SDK 更新到最新版本 2.12.9：https://github.com/QuickBlox/quickblox-javascript-sdk

另外，请确保您使用的是最新的 iOS SDK 版本 2.17.4：https://github.com/QuickBlox/quickblox-ios-sdk