Github user rmetzger commented on the issue:
https://github.com/apache/flink/pull/2636
I tested the change this morning, and its not working:
```
2016-10-20 11:08:28,216 WARN
org.apache.flink.runtime.metrics.MetricRegistry - Could not start
Metr
icDumpActor. No metrics will be submitted to the WebInterface.
akka.actor.InvalidActorNameException: illegal actor name
[MetricQueryService_ResourceID{resourceId='e29f9e7d096c56
2054a1caa29be21a36'}], must conform to
(?:[-\w:@&=+,.!~*'_;]|%\p{XDigit}{2})(?:[-\w:@&=+,.!~*'$_;]|%\p{XDigit}{2})
*
at akka.actor.dungeon.Children$class.checkName(Children.scala:182)
at akka.actor.dungeon.Children$class.attachChild(Children.scala:42)
at akka.actor.ActorCell.attachChild(ActorCell.scala:369)
at akka.actor.ActorSystemImpl.actorOf(ActorSystem.scala:553)
```
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