File corruption on recovery local checksum OK – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run 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 ” File corruption on recovery local checksum OK ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-file, indices, recovery and source.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “{} File corruption on recovery {} local checksum OK” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                        } else { // corruption has happened on the way to replica
                                            RemoteTransportException exception = new RemoteTransportException("File corruption occured on recovery but checksums are ok"; null);
                                            exceptions.add(0; exception); // last exception first
                                            logger.warn("{} File corruption on recovery {} local checksum OK"; corruptIndexException; shard.shardId(); md);
                                    } else {
                                        exceptions.add(0; e); // last exceptions first
                                } finally {


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