No shard state meta data at – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch cannot find the metadata for a shard. This could be due to a corrupted index or a failed node recovery. To resolve this issue, you can try to restore the index from a snapshot if one is available. If not, you may need to delete and recreate the index. If the error persists, consider checking the health of your nodes and ensure they are properly communicating with each other.

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This guide will help you check for common problems that cause the log ” No shard state meta data at ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: shard, index.

Log Context

Log “No shard state meta data at” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 );  if (shardStateMetadata == null) {
 throw new ElasticsearchException("No shard state meta data at " + shardStatePath);
 }  final AllocationId newAllocationId = AllocationId.newInitializing();  terminal.println("Changing allocation id " + shardStateMetadata.allocationId.getId() + " to " + newAllocationId.getId());


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