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Zookeeper Service Crashed And Will Not Start Up (Doc ID 1624715.1)

Last updated on APRIL 08, 2020

Applies to:

Big Data Appliance Integrated Software - Version 2.2.1 and later
Linux x86-64


On Oracle Big Data Appliance (BDA) , Zookeeper service is crashing because it can not follow the leader node. The session is being closed.

Leader node is showing the following error:

2014-02-06 04:30:31,031 WARN org.apache.zookeeper.server.NIOServerCnxn: caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid <####>, likely client has closed socket
       at org.apache.zookeeper.server.NIOServerCnxn.doIO(
2014-02-06 04:30:31,032 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket

The node the zookeeper service is not starting on is showing the following error:

2014-02-06 04:30:31,129 INFO org.apache.zookeeper.server.quorum.Learner: Revalidating client: <#####>
2014-02-06 04:30:31,129 INFO org.apache.zookeeper.server.ZooKeeperServer: Established session <#####> with negotiated timeout 5000 for client /<IP>:<PORT>
2014-02-06 04:30:43,652 WARN org.apache.zookeeper.server.quorum.Learner: Exception when following the leader Broken pipe
       at Method)






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