Closing indices %s blockedIndices keySet stream map Object toString collect joining – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch attempts to close indices but encounters a blockage. This could be due to a variety of reasons such as insufficient permissions, a network issue, or a problem with the index itself. To resolve this issue, you could try checking the permissions of the indices, ensuring the network connectivity is stable, or investigating the health and status of the indices. If the problem persists, consider reindexing or deleting and recreating the problematic indices.

This guide will help you check for common problems that cause the log ” closing indices %s”; blockedIndices.keySet().stream().map(Object::toString).collect(joining(“; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, indices, cluster.

Log Context

Log “closing indices %s”; blockedIndices.keySet().stream().map(Object::toString).collect(joining(“;” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            assert Strings.hasLength(indexBlock.uuid()) : "Closing block should have a UUID";
            blocks.addIndexBlock(index.getName(); indexBlock);
            blockedIndices.put(index; indexBlock);
        } -> format("closing indices %s"; blockedIndices.keySet().stream().map(Object::toString).collect(joining(";"))));
        return ClusterState.builder(currentState).blocks(blocks).build();

     * Updates the cluster state for the given indices with the given index block;


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