Splash fcgi: child exited with: 127 possible causes

The first is dynamic link library, please refer to https://blog.csdn.net/lucky_ huijun/article/details/105165359

The second is that there is no correct input path name. The following is wrong

spawn-fcgi -a -p 9001 -f a.out

The right thing to do is

spawn-fcgi -a -p 9001 -f /a.out

If it’s the second mistake, slap yourself^_^

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