Unable to submit operation – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.17

Briefly, this error occurs when Elasticsearch is unable to process a request due to issues like insufficient resources, network connectivity problems, or incorrect request syntax. To resolve this, you can try increasing system resources, checking network connections, or verifying the syntax of your request. Additionally, check if the Elasticsearch cluster is running and accessible. If the problem persists, consider checking the Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” Unable to submit operation ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Unable to submit operation” class name is AutodetectWorkerExecutorService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  boolean added = queue.offer(contextHolder.preserveContext(command));
 if (added == false) {
 throw new ElasticsearchStatusException("Unable to submit operation"; RestStatus.TOO_MANY_REQUESTS);
 }  void start() {
 try {