Failed to read requesting data from – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is unable to read the data it is trying to access. This could be due to a variety of reasons such as network issues, incorrect data format, or insufficient permissions. To resolve this issue, you can try the following: 1) Check your network connection and ensure that the data source is accessible. 2) Verify the format of the data you’re trying to access. 3) Check if Elasticsearch has the necessary permissions to access the data. 4) If the data is corrupted, try to restore it from a backup.

This guide will help you check for common problems that cause the log ” failed to read requesting data from {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery, discovery-multicast, ping and Plugin.

Log Context

Log “failed to read requesting data from {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } catch (Exception e) {
                if (!lifecycle.started() || (e instanceof EsRejectedExecutionException)) {
                    logger.debug("failed to read requesting data from {}"; e; address);
                } else {
                    logger.warn("failed to read requesting data from {}"; e; address);



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