Jeffrey F. Lukman created ZOOKEEPER-2866:
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Summary: Reconfig Causes Newly Joined Node to Crash
Key: ZOOKEEPER-2866
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2866
Project: ZooKeeper
Issue Type: Bug
Components: leaderElection, quorum, server
Affects Versions: 3.5.3
Reporter: Jeffrey F. Lukman
When we run our Distributed system Model Checking (DMCK) in ZooKeeper v3.5.3
by following the workload in ZK-2778:
* initially start 2 ZooKeeper nodes
* start 3 new nodes and let them join the cluster
* do a reconfiguration where the newly joined will be PARTICIPANTS,
while the previous 2 nodes change to be OBSERVERS
We think our DMCK found this following bug:
* one of the newly joined node crashes due to
it receives an *unexpected* PROPOSAL message
from the new leader in the cluster.
For complete information of the bug, please see the document that is attached.
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