Failed to Attach to Process ID Xcode 解决办法

最新推荐文章于 2022-11-15 14:36:29 发布

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最新推荐文章于 2022-11-15 14:36:29 发布

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文章标签： xcode 运维

原文链接：http://www.cnblogs.com/gaoxiao228/p/3781523.html

本文提供了一种方法，在Xcode编辑方案窗口中选择Run选项，然后通过屏幕右侧改变debugger从LLDB到GDB的方法。如果ping命令无法正常工作，则可能是/etc/hosts文件的问题，需要检查并确保其格式正确。

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方法1.

go to the Product menu and find the Edit Scheme menu there.

While in Edit Scheme window, select the "Run" option on the left hand side of the screen and then on the right hand side, change the debugger from LLDB to GDB.

方法2.

Step1: ping

$ ping localhost

This should return something like

PING localhost (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.028 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.048 ms
...

If this works, this answer won't fix your problem, try something else.

If ping return something else for example: ping: cannot resolve localhost: Unknown hostsomething is screwed up with your /etc/hosts file, go to Step 2

Step2: Check /etc/hosts

Check that the top of your /etc/hosts file looks like this

127.0.0.1       localhost
255.255.255.255 broadcasthost
::1             localhost 
fe80::1%lo0     localhost

If it doesn't have these entries in the file, enter them at the top of the file, flush the dns cache using $ dscacheutil -flushcache and go back to Step 1, otherwise continue to Step 3.

Step3: Correct File Format: It should be unix or LF *

$ file /etc/hosts

This should return: /etc/hosts: ASCII English text

If it returns something like /etc/hosts: ASCII English text, with CR line terminators then the file is in the wrong format and is likely being ignored.

Change the file line endings to unix or LF using your favorite text editor.