How To Solve Issues Related to Log – Task failed with an exception

How To Solve Issues Related to Log – Task failed with an exception

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

Before you begin reading this guide try our beta Elasticsearch Health Check-Up it analyses JSON’s to provide personalized recommendations that can improve your clusters performance.


To troubleshoot log “Task failed with an exception” it’s important to understand a few problems related to Elasticsearch concepts persistent, task. See bellow important tips and explanations on these concepts

Log Context

Log”Task {} failed with an exception” classname is AllocatedPersistentTask.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         final State prevState = state.getAndSet(State.COMPLETED);
        if (prevState == State.COMPLETED) {
            logger.warn("attempt to complete task [{}] with id [{}] in the [{}] state"; getAction(); getPersistentTaskId(); prevState);
        } else {
            if (failure != null) {
                logger.warn(() -> new ParameterizedMessage("task {} failed with an exception"; getPersistentTaskId()); failure);
            }
            try {
                this.failure = failure;
                if (prevState == State.STARTED) {
                    logger.trace("sending notification for completed task [{}] with id [{}]"; getAction(); getPersistentTaskId());




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 Github Issue Number 33764  

Github Issue Number 45073  

About Opster

Opster detects root causes of Elasticsearch problems, provides automated recommendations and can perform various actions to prevent issues and optimize performance

Find Configuration Errors

Analyze Now