I got this exception in our production servers and the cluster went down.
Any idea what might have caused it and how to prevent this from happening
in the future?
[2013-11-22 03:17:57,600][WARN ][cluster.action.shard ]
[savvy_es_chef_node_1] sending failed shard for [events_addon_v3],
node[LYjH3PdYTh6WVE2hL5K0zQ], [P], s[INITIALIZING], reason [Failed to start
shard, message [IndexShardGatewayRecoveryException[[events_addon_v3]
failed recovery]; nested:
EngineCreationFailureException[[events_addon_v3] failed to create
engine]; nested: LockReleaseFailedException[Cannot forcefully unlock a
NativeFSLock which is held by another indexer component:
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