3. React-Native在iOS工程中真机和模拟器dug模式下调试正常，打包发布版本时在release模式下打开程序闪退查看日志报错，这是什么原因？有遇到相同问题的吗？

React-Native在iOS工程中真机和模拟器dug模式下调试正常，打包发布版本时在release模式下打开程序闪退查看日志报错，这是什么原因？有遇到相同问题的吗？

  • L

    崩溃日志：
    2017-11-16 14:51:34.613 [error][tid:com.facebook.react.JavaScript] TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.626357+0800 frame[5608:47528] TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.629 [error][tid:com.facebook.react.JavaScript] TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.629364+0800 frame[5608:47528] TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.630 [fatal][tid:com.facebook.react.ExceptionsManagerQueue] Unhandled JS Exception: TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.630486+0800 frame[5608:47499] Unhandled JS Exception: TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t
    2017-11-16 14:51:34.667229+0800 frame[5608:47499] *** Terminating app due to uncaught exception 'RCTFatalException: Unhandled JS Exception: TypeError: null is not a constructor (evaluating 'new s(t,null,e)')

    This error is located at:
    in t
    in RCTView
    in RCTView
    in t', reason: 'Unhandled JS Exception: TypeError: null is not a constructor (evaluating 'n..., stack:
    n@359:176
    open@359:1158
    l@359:465
    open@349:4441
    y@349:2080
    connect@368:1245
    connect@348:177
    f@342:1430
    <unknown>@342:3637
    <unknown>@333:358
    t@303:564
    constructClassInstance@46:48884
    <unknown>@46:51984
    ......
    ......

    0

  • debug模式运行在chrome的v8引擎上，非debug模式运行在ios的javascriptCore引擎上，两者存在差异的
    但是你这里的报错信息一是代码已压缩，二是行号对不上，所以没有太多诊断的线索
    建议在模拟器上以非debug模式运行，再看日志

    0