Failed to remove index – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

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Briefly, this error occurs when Elasticsearch is unable to delete an index due to various reasons such as insufficient permissions, index being in use, or a network issue. To resolve this, you can ensure that the user has the necessary permissions to delete the index. If the index is in use, stop the operations using it before attempting to delete. Lastly, check your network connection and ensure Elasticsearch is running properly.

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This guide will help you check for common problems that cause the log ” failed to remove index {} ([{}][{}]) ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, indices.

Log Context

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

            if (reason == IndexRemovalReason.DELETED) {
                // now we are done - try to wipe data on disk if possible
                deleteIndexStore(extraInfo; indexService.index(); indexSettings);
            }
        } catch (Exception e) {
            logger.warn(() -> new ParameterizedMessage("failed to remove index {} ([{}][{}])"; index; reason; extraInfo); e);
        }
    }

    public IndicesFieldDataCache getIndicesFieldDataCache() {
        return indicesFieldDataCache;

 

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