[ZOOKEEPER-2005] Failure to setCurrentEpoch on lead

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.4.6
• Component/s: leaderElection
• Assignee: Unassigned
• Reporter: Ioannis Canellos
• Created: 07/Aug/14 14:10
• Updated: 26/Aug/15 20:46

Description

We are embedding the zookeeper server in our container and every now and then I see the exception below when running our integration tests suite.

This is something that have never bother us before when using 3.4.5 but we do see in 3.4.6.

When this occurs, the ensemble is not formed.

java.io.IOException: Could not rename temporary file /data/zookeeper/0001/version-2/currentEpoch.tmp to /data/zookeeper/0001/version-2/currentEpoch
at org.apache.zookeeper.common.AtomicFileOutputStream.close(AtomicFileOutputStream.java:82)
at org.apache.zookeeper.server.quorum.QuorumPeer.writeLongToFile(QuorumPeer.java:1202)
at org.apache.zookeeper.server.quorum.QuorumPeer.setCurrentEpoch(QuorumPeer.java:1223)
at org.apache.zookeeper.server.quorum.Leader.lead(Leader.java:395)