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flutter-真机调试ios Traceback (most recent call last)

 1 Traceback (most recent call last):
 2   File "/tmp/C5FDB25B-C7F4-462E-8AC9-7FF9D1A50F21/fruitstrap_d3ca95e47b6608c20ff2410e8938899af5a79f42.py", line 25, in connect_command
 3     process = lldb.target.ConnectRemote(listener, connect_url, None, error)
 4 AttributeError: 'NoneType' object has no attribute 'ConnectRemote'
 5 Traceback (most recent call last):
 6   File "/tmp/C5FDB25B-C7F4-462E-8AC9-7FF9D1A50F21/fruitstrap_d3ca95e47b6608c20ff2410e8938899af5a79f42.py", line 45, in run_command
 7     lldb.target.modules[0].SetPlatformFileSpec(lldb.SBFileSpec(device_app))
 8 AttributeError: 'NoneType' object has no attribute 'modules'
 9 Traceback (most recent call last):
10   File "/tmp/C5FDB25B-C7F4-462E-8AC9-7FF9D1A50F21/fruitstrap_d3ca95e47b6608c20ff2410e8938899af5a79f42.py", line 74, in safequit_command
11     process = lldb.target.process
12 AttributeError: 'NoneType' object has no attribute 'process'

xcode12和flutter版本的问题

通过将flutter升级到1.20.4解决问题

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原文地址：https://www.cnblogs.com/mingv/p/14110245.html