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

Prevent ES settings related problems

Check if your ES issues are caused from misconfigured settings

Resolve Issue

Updated: Feb-20

In Page Navigation (click to jump) :
Troubleshooting Background       
Related Issues  
Log Context
About Opster

Opster Offer’s World-Class Elasticsearch Expertise In One Powerful Product
Try Our Free Check-Up   Prevent Incident

Troubleshooting background

To troubleshoot Elasticsearch log “Failed to handle exception for action ; handler” it’s important to understand common problems related to Elasticsearch concepts: handler. See detailed explanations below 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 :

1 Github Issue Number 15148  

2 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.

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

Need help with any Elasticsearch issue ? Contact Opster

Did this page help you?