David Roberts 4b4800e096
[ML] Take more care that normalize processes use unique named pipes ()
When one of ML's normalize processes fails to connect to the JVM
quickly enough and another normalize process for the same job
starts shortly afterwards it is possible that their named pipes
can get mixed up.

This change avoids the risk of that by adding an incrementing
counter value into the named pipe names used for normalize
processes.

Backport of 
2020-04-02 14:25:31 +01:00
..

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