Log Failed to delete unassigned index reason – How To Solve Related Issues

Log Failed to delete unassigned index reason – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Failed to delete unassigned index reason” it’s important to understand a few problems related to Elasticsearch concepts delete, index, indices. See bellow important tips and explanations on these concepts

Log Context

Log”[{}] failed to delete unassigned index (reason [{}])” classname is IndicesService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     throw new IllegalStateException("Can't delete unassigned index store for [" + indexName + "] - it's still part of " +
                                                    "the cluster state [" + index.getIndexUUID() + "] [" + metaData.getIndexUUID() + "]");
                }
                deleteIndexStore(reason; metaData; clusterState);
            } catch (Exception e) {
                logger.warn(() -> new ParameterizedMessage("[{}] failed to delete unassigned index (reason [{}])";
                    metaData.getIndex(); reason); e);
            }
        }
    }





Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 ElasticSearch: Unassigned Shards, how to fix?

203.11 K 152

ElasticSearch: Unassigned Shards, how to fix?

  203.11 K 152

 

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