Fatal error in thread ; exiting – How to solve related issues

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Fatal error in thread ; exiting – 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 ” Fatal error in thread ; exiting ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap, handler and thread.

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 “Fatal error in thread [{}]; exiting” classname is ElasticsearchUncaughtExceptionHandler.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     static boolean isFatalUncaught(Throwable e) {
        return e instanceof Error;
    }

    void onFatalUncaught(final String threadName; final Throwable t) {
        logger.error(() -> new ParameterizedMessage("fatal error in thread [{}]; exiting"; threadName); t);
    }

    void onNonFatalUncaught(final String threadName; final Throwable t) {
        logger.warn(() -> new ParameterizedMessage("uncaught exception in thread [{}]"; threadName); t);
    }




 

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