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



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

Opster Team

Jan-20, Version: 1.7-8.0

 

Before you read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES that cause log errors. It’s a free tool that requires no installation and takes 2 minutes to complete.

This guide will help you check for common problems that cause the log ” Task failed with an exception ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: persistent and task.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them. Among the dozens of checks included are: shards sizes, thread pools, management queue size, search errors, circuit breakers and many more (join over 700 users who use this free tool).

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

2 Github Issue Number 45073






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