Github user kevinconaway commented on the issue:
https://github.com/apache/storm/pull/2182
It succeeds for me locally. The NPE that you mentioned is actually due to
another error in the `@Before` method
```
test2608(org.apache.storm.kafka.PartitionManagerTest) Time elapsed: 1.158
sec <<< ERROR!
java.lang.RuntimeException: java.lang.RuntimeException:
org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
for /brokers/topics/testTopic/partitions
at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1590)
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:230)
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl$3.call(GetChildrenBuilderImpl.java:219)
at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:109)
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl.pathInForeground(GetChildrenBuilderImpl.java:216)
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:207)
at
org.apache.curator.framework.imps.GetChildrenBuilderImpl.forPath(GetChildrenBuilderImpl.java:40)
at
org.apache.storm.kafka.DynamicBrokersReader.getNumPartitions(DynamicBrokersReader.java:110)
at
org.apache.storm.kafka.DynamicBrokersReader.getBrokerInfo(DynamicBrokersReader.java:83)
at
org.apache.storm.kafka.trident.ZkBrokerReader.<init>(ZkBrokerReader.java:44)
at
org.apache.storm.kafka.PartitionManagerTest.setup(PartitionManagerTest.java:81)
test2608(org.apache.storm.kafka.PartitionManagerTest) Time elapsed: 1.159
sec <<< ERROR!
java.lang.NullPointerException: null
at
org.apache.storm.kafka.PartitionManagerTest.shutdown(PartitionManagerTest.java:102)
```
The `ZkBrokerReader` isn't seeing the topic information in Zookeeper which
makes me think its a race condition between when the topic is created and then
`ZkBrokerReader` tries to read the topic / partition info
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