Error while closing recovery output entry getValue – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch encounters an issue while trying to close a recovery output entry during the process of data recovery. This could be due to a variety of reasons such as disk space issues, network problems, or corrupted data. To resolve this issue, you could try freeing up disk space, checking your network connections, or reindexing your data. Additionally, ensure that your Elasticsearch version is up-to-date and consider increasing the timeout settings if the recovery process is taking too long.

This guide will help you check for common problems that cause the log ” error while closing recovery output [” + entry.getValue() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, recovery.

Log Context

Log “error while closing recovery output [” + entry.getValue() + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            Map.Entry entry =;
            logger.trace("closing IndexOutput file [{}]"; entry.getValue());
            try {
            } catch (Exception e) {
                logger.debug(() -> "error while closing recovery output [" + entry.getValue() + "]"; e);
        if (Strings.hasText(tempFilePrefix)) {
            // trash temporary files


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