Log Found dangled index on node . This index cannot be – How To Solve Related Issues



Log Found dangled index on node . This index cannot be – 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 causing many log errors (free and no installation required)

 

This guide will help you check for common problems that cause the log “Found dangled index on node . This index cannot be” 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, index, indices, node.


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 discover the cause of many errors and provides suitable actionable recommendations. 

Log Context

Log”Found dangled index [{}] on node [{}]. This index cannot be” classname is LocalAllocateDangledIndices.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                             // with the current version and upgrade it if needed.
                            upgradedIndexMetaData = metaDataIndexUpgradeService.upgradeIndexMetaData(indexMetaData;
                                minIndexCompatibilityVersion);
                        } catch (Exception ex) {
                            // upgrade failed - adding index as closed
                            logger.warn(() -> new ParameterizedMessage("found dangled index [{}] on node [{}]. This index cannot be " +
                                "upgraded to the latest version; adding as closed"; indexMetaData.getIndex(); request.fromNode); ex);
                            upgradedIndexMetaData = IndexMetaData.builder(indexMetaData).state(IndexMetaData.State.CLOSE)
                                .version(indexMetaData.getVersion() + 1).build();
                        }
                        metaData.put(upgradedIndexMetaData; false);




 

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 How To Resolve Dangling Indices Err  

Github Issue Number 10487  

 

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