[AMBARI-17253] Ambari Alert causes too many wanings in ZooKeeper logs.

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: trunk
• Fix Version/s: 2.4.0
• Component/s: ambari-agent
• Assignee: Masahiro Tanaka
• Reporter: Masahiro Tanaka
• Created: 15/Jun/16 12:12
• Updated: 15/Jul/16 17:33
• Resolved: 13/Jul/16 21:49

Description

There are too many WARNING in ZooKeeper log.

2016-06-15 21:02:15,405 - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid 0x0, likely client has closed socket
        at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
        at java.lang.Thread.run(Thread.java:745)

It may be because of Ambari Alert. Ambari Alert pings to the zookeeper port to do monitoring.
We should use 'ruok' to monitor zookeepers.

Issue Links

• links to: review board