Masahiro Tanaka created AMBARI-17253: ----------------------------------------
Summary: Ambari Alerts causes too many wanings in ZooKeeper logs. Key: AMBARI-17253 URL: https://issues.apache.org/jira/browse/AMBARI-17253 Project: Ambari Issue Type: Bug Reporter: Masahiro Tanaka Assignee: Masahiro Tanaka There are too many WARNING in ZooKeeper log. {code} 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) {code} It may be because of Ambari Alert. Ambari Alert pings to the zookeeper port to do monitoring. We should use 'ruok' to monitor zookeepers. -- This message was sent by Atlassian JIRA (v6.3.4#6332)