Log Failed to load index state for detected dangled index – How To Solve Related Issues


Log Failed to load index state for detected dangled index – How To Solve Related Issues

Opster Team

Feb-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 ” Failed to load index state for detected dangled index ” 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: dangled, dangling, index and indices.

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 “[{}] failed to load index state for detected dangled index” classname is DanglingIndicesState.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         newIndices.put(indexName; indexMetaData);
                    } else {
                        logger.debug("[{}] dangling index directory detected; but no state found"; indexName);
                    }
                } catch (Throwable t) {
                    logger.warn("[{}] failed to load index state for detected dangled index"; t; indexName);
                }
            }
        }
        return newIndices;
    }




 

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