How To Solve Issues Related to Log – Failed to handle exception for action ; handler

Get an Elasticsearch Check-Up

Check if your ES issues are caused from misconfigured settings
(Free 2 min process)

ES Check Up

Elasticsearch Error Guide In Page Navigation :

Troubleshooting Background – start here to get the full picture       
Related Issues – selected resources on related issues  
Log Context – usefull for experts
About Opster – offering a diffrent approach to troubleshoot Elasticsearch

Check My Elasticsearch 

Troubleshooting background

To troubleshoot Elasticsearch log “Failed to handle exception for action ; handler” it’s important to know common problems related to Elasticsearch concepts: handler. See below-detailed explanations complete with common problems, examples and useful tips.

To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

Github Issue Number 15148


Failed To List Shard For Shard Stor


Log Context

Log ”Failed to handle exception for action ; handler” classname is
We have extracted the following from Elasticsearch source code to get an in-depth context :

        protected void processException(final TransportResponseHandler handler; final RemoteTransportException rtx) {
            try {
            } catch (Throwable e) {
                logger.error("failed to handle exception for action [{}]; handler [{}]"; e; action; handler);

        public long getRequestId() {

About Opster

Incorporating deep knowledge and broad history of Elasticsearch issues. Opster’s solution identifies and predicts root causes of Elasticsearch problems, provides recommendations and can automatically perform various actions to manage, troubleshoot and prevent issues

We are constantly updating our analysis of Elasticsearch logs, errors, and exceptions. Sharing best practices and providing troubleshooting guides.

Learn more: Glossary | Blog| Troubleshooting guides | Error Repository

Need help with any Elasticsearch issue ? Contact Opster

Did this page help you?