Github user nickwallen commented on the issue:
https://github.com/apache/incubator-metron/pull/570
travis!
```
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.metron.pcap.integration.PcapTopologyIntegrationTest
Formatting using clusterid: testClusterID
Processing: ip_dst_addr => 207.28.210.1
Processing: protocol => foo
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Processing: ip_dst_port => 22
Ended
2017-05-09 14:39:20 ERROR ReadClusterState:345 - Error trying to shutdown
workers in Thread[SLOT_1027,5,main]
java.lang.IllegalStateException: It took over 60000ms to shut down slot
Thread[SLOT_1027,5,main]
at
org.apache.storm.daemon.supervisor.ReadClusterState$1.call(ReadClusterState.java:294)
at
org.apache.storm.daemon.supervisor.ReadClusterState$1.call(ReadClusterState.java:292)
at
org.apache.storm.daemon.supervisor.ReadClusterState$3.call(ReadClusterState.java:307)
at
org.apache.storm.daemon.supervisor.ReadClusterState$3.call(ReadClusterState.java:304)
at
org.apache.storm.daemon.supervisor.ReadClusterState.shutdownAllWorkers(ReadClusterState.java:333)
at
org.apache.storm.daemon.supervisor.Supervisor.shutdownAllWorkers(Supervisor.java:330)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at clojure.lang.Reflector.invokeMatchingMethod(Reflector.java:93)
at clojure.lang.Reflector.invokeInstanceMethod(Reflector.java:28)
at
org.apache.storm.testing$kill_local_storm_cluster.invoke(testing.clj:204)
at org.apache.storm.LocalCluster$_shutdown.invoke(LocalCluster.clj:66)
at org.apache.storm.LocalCluster.shutdown(Unknown Source)
at
org.apache.metron.integration.components.FluxTopologyComponent.stop(FluxTopologyComponent.java:159)
```
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