Exception on closing store for shardId – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch encounters an issue while trying to close the store for a specific shard ID. This could be due to a variety of reasons such as disk I/O issues, network problems, or corrupted data. To resolve this issue, you can try the following: 1) Check the health of your disk and network, 2) Try to manually close the shard and reopen it, 3) If the data is corrupted, consider restoring the data from a backup, 4) If the problem persists, you may need to recreate the index.

This guide will help you check for common problems that cause the log ” exception on closing store for [” + shardId + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, shard.

Log Context

Log “exception on closing store for [” + shardId + “]” classname is Store.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } finally {
        } catch (IOException e) {
            assert false : e;
            logger.warn(() -> "exception on closing store for [" + shardId + "]"; e);

     * Reads a MetadataSnapshot from the given index locations or returns an empty snapshot if it can't be read.


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