Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1697#issuecomment-188162123
+1 to merge (again)
```
robert@robert-da ...-18070328-f4ac-40b3-a523-8455ac08bfce % cat
../../home/robert/test.sh
#!/bin/sh
for i in /proc/[0-9]*/fd/*
do
echo ${i%/fd/*} $(readlink $i)
done | grep -q /dev/snd/pcm
robert@robert-da ...-18070328-f4ac-40b3-a523-8455ac08bfce % telnet
telnet> open localhost 8081
Trying ::1...
Connected to localhost.
Escape character is '^]'.
GET ../../home/robert/test.sh
HTTP/1.1 404 Not Found
Content-Type: text/plain; charset=UTF-8
Failure: 404 Not Found
Connection closed by foreign host.
robert@robert-da ...-18070328-f4ac-40b3-a523-8455ac08bfce % pwd
/tmp/flink-web-18070328-f4ac-40b3-a523-8455ac08bfce
robert@robert-da ...-18070328-f4ac-40b3-a523-8455ac08bfce %
```
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