On some further debugging I enabled debug logging on one of the nodes. Now
when I try to get the indices stats I get the following in the log on the
debugging node:
[2013-12-18 08:02:01,078][DEBUG][index.shard.service ] [NODE6]
[reference][10] Can not build 'completion stats' from engine shard state
[RECOVERING]
org.elasticsearch.index.shard.IllegalIndexShardStateException:
[reference][10] CurrentState[RECOVERING] operations only allowed when
started/relocated
at
org.elasticsearch.index.shard.service.InternalIndexShard.readAllowed(InternalIndexShard.java:765)
at
org.elasticsearch.index.shard.service.InternalIndexShard.acquireSearcher(InternalIndexShard.java:600)
at
org.elasticsearch.index.shard.service.InternalIndexShard.acquireSearcher(InternalIndexShard.java:595)
at
org.elasticsearch.index.shard.service.InternalIndexShard.completionStats(InternalIndexShard.java:536)
at
org.elasticsearch.action.admin.indices.stats.CommonStats.<init>(CommonStats.java:151)
at
org.elasticsearch.indices.InternalIndicesService.stats(InternalIndicesService.java:212)
at
org.elasticsearch.node.service.NodeService.stats(NodeService.java:165)
at
org.elasticsearch.action.admin.cluster.node.stats.TransportNodesStatsAction.nodeOperation(TransportNodesStatsAction.java:100)
at
org.elasticsearch.action.admin.cluster.node.stats.TransportNodesStatsAction.nodeOperation(TransportNodesStatsAction.java:43)
at
org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:273)
at
org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:264)
at
org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:270)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Looking in head I see that this node has a number of green shards, but
shard 10 is yellow (recovering). This smells like a bug.
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