Failed to process – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is unable to process the log files due to issues like incorrect file format, corrupted files, or insufficient permissions. To resolve this, you can check the format of the log files to ensure they are correct. If the files are corrupted, restore them from a backup. Also, verify that Elasticsearch has the necessary permissions to access and process the log files. If the issue persists, consider increasing the logging level to get more detailed error messages for further troubleshooting.

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

Log Context

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

                new AbstractClusterStateTaskListener() {
                    public void onFailure(String source; Throwable t) {
                        logger.warn("failed to process [{}]"; t; source);