Unable to install token metadata – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch fails to install token metadata due to issues like insufficient permissions, corrupted metadata, or disk space issues. To resolve this, you can try the following: 1) Check and adjust the permissions of the Elasticsearch directories. 2) Clear any corrupted metadata files. 3) Ensure there is enough disk space available for Elasticsearch to operate. 4) Restart the Elasticsearch service. Always remember to backup your data before making any changes.

This guide will help you check for common problems that cause the log ” unable to install token metadata ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, metadata.

Log Context

Log “unable to install token metadata” classname is TokenService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                    }

                    @Override
                    public void onFailure(Exception e) {
                        installTokenMetadataInProgress.set(false);
                        logger.error("unable to install token metadata"; e);
                    }

                    @Override
                    public void clusterStateProcessed(ClusterState oldState; ClusterState newState) {
                        installTokenMetadataInProgress.set(false);

 

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