Task failed with an exception – How to solve related issues

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Task failed with an exception – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Task failed with an exception ” to appear. To understand the issues related to this log, read the explanation below about the following 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 to analyze Elasticsearch configuration and help resolve this error.

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());




 

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