Github user nickwallen commented on the issue:
https://github.com/apache/incubator-metron/pull/570
travis!
```
Running org.apache.metron.parsers.integration.YafIntegrationTest
Running Sample Data Validation on sensorType yaf
2017-05-09 13:31:23 ERROR ParserTopologyComponent:114 - Storm slots didn't
shut down entirely cleanly *sigh*. I gave them the old one-two-skadoo and
killed the slots with prejudice. If tests fail, we'll have to find a better
way of killing them.
java.lang.IllegalStateException: It took over 60000ms to shut down slot
Thread[SLOT_1024,5,main]
```
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