Github user uce commented on the pull request:
https://github.com/apache/flink/pull/1697#issuecomment-187979852
Just verified via telnet that this fixes the issue by comparing behaviour
in 1.0.0 RC0 and this PR.
Would be nice if someone confirms this. The error happens when you specify
a get request like
```
GET ../../../../../../../Users/ufuk/.travis/config.yml HTTP/1.1
Host: localhost
```
The path is relative to the temp directory used for the web server files.
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