Log Error reloading watcher – How To Solve Related Issues

Log Error reloading watcher – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0


To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 

To troubleshoot log “Error reloading watcher” it’s important to understand a few problems related to Elasticsearch concepts plugin. See bellow important tips and explanations on these concepts

Log Context

Log”Error reloading watcher” classname is WatcherService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        int cancelledTaskCount = executionService.clearExecutionsAndQueue();
        logger.info("reloading watcher; reason [{}]; cancelled [{}] queued tasks"; reason; cancelledTaskCount);

        executor.execute(wrapWatcherService(() -> reloadInner(state; reason; false);
            e -> logger.error("error reloading watcher"; e)));

     * start the watcher service; load watches in the background

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 How To Fix A Stuck Watch And Anothe  

Errors After Updating To 6 2 4  


About Opster

Opster detects, resolves, optimizes, automates and prevents incidents in Elasticsearch. Opster’s line of products delivers a fundamentally more effective Elasticsearch operation and backs it up with superb production support and consulting.

Find Configuration Errors

Analyze Now