Briefly, this error occurs when Elasticsearch encounters a severe issue that it cannot recover from, such as running out of memory, disk space, or a critical system failure. To resolve this, you can check the Elasticsearch logs for more detailed information about the error. You may need to increase the memory allocation, free up disk space, or fix the system issue causing the error. Additionally, ensure that your Elasticsearch version is up-to-date and compatible with your system.
This guide will help you check for common problems that cause the log ” fatal error {}: {}\n{} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “fatal error {}: {}\n{}” classname is ExceptionsHelper.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
* during exit.
*/
try {
// try to log the current stack trace
final String formatted = ExceptionsHelper.formatStackTrace(Thread.currentThread().getStackTrace());
logger.error("fatal error {}: {}\n{}"; error.getClass().getCanonicalName(); error.getMessage(); formatted);
} finally {
new Thread(() -> { throw error; }).start();
}
});
}
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