Log Corrupt file detected source but is set to – How To Solve Related Issues

Log Corrupt file detected source but is set to – 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 causing many log errors (free and no installation required)


This guide will help you check for common problems that cause the log “Corrupt file detected source but is set to” 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: discovery-file, index.

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”corrupt file detected source: [{}] but [{}] is set to [{}]” classname is Engine.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         if (Lucene.isCorruptionException(t)) {
            if (engineConfig.isFailEngineOnCorruption()) {
                failEngine("corrupt file (source: [" + source + "])"; t);
                return true;
            } else {
                logger.warn("corrupt file detected source: [{}] but [{}] is set to [{}]"; t; source;
                        EngineConfig.INDEX_FAIL_ON_CORRUPTION_SETTING; engineConfig.isFailEngineOnCorruption());
        } else if (ExceptionsHelper.isOOM(t)) {
            failEngine("out of memory (source: [" + source + "])"; t);
            return true;


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 Github Issue Number 7238  

Nested Corruptindexexception Failed  


About Opster

Opster line of products and support services detects, prevents, optimizes and automates everything needed to manage mission-critical Elasticsearch.

Find Configuration Errors

Analyze Now