Hedwig Server stays in "disconnected" state when connection to ZK dies but gets
reconnected
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Key: ZOOKEEPER-886
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-886
Project: Zookeeper
Issue Type: Bug
Components: contrib-hedwig
Reporter: Erwin Tam
Assignee: Erwin Tam
The Hedwig Server is connected to ZooKeeper. In the ZkTopicManager, it
registers a watcher so that if it ever gets disconnected from ZK, it will
temporarily fail all incoming requests since the Hedwig server does not know
for sure if it is still the master for the topics. When the ZK client gets
reconnected, the logic currently is wrong and it does not unset the suspended
flag. Thus once it gets disconnected, it will stay in the suspended state
forever, thereby making the Hedwig server hub dead.
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