Log unexpected error during deletion of unallocated shard – How To Solve Related Issues


Log unexpected error during deletion of unallocated shard – How To Solve Related Issues

Opster Team

Jan-20, Version: 1.7-8.0

 

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” unexpected error during deletion of unallocated shard ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: indices and shard.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log “{} unexpected error during deletion of unallocated shard” classname is IndicesStore.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         indicesService.deleteShardStore("no longer used"; shardId; currentState);
                    } catch (Exception ex) {
                        logger.debug(() -> new ParameterizedMessage("{} failed to delete unallocated shard; ignoring"; shardId); ex);
                    }
                };
                (source; e) -> logger.error(() -> new ParameterizedMessage("{} unexpected error during deletion of unallocated shard";
                    shardId); e)
            );
        }

    }




 

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