Briefly, this error occurs when Elasticsearch encounters an unexpected situation or a problem during its operation. The exact cause can vary, ranging from configuration issues, insufficient resources, to data-related problems. To resolve this, first, check the full error message and logs for more details about the exception. Then, depending on the cause, you may need to adjust your configuration, allocate more resources (like memory or disk space), or fix your data or queries. Always ensure that your Elasticsearch version is up-to-date and that your setup follows best practices.
This guide will help you check for common problems that cause the log ” {} failed with exception ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “{} failed with exception” classname is LoggingTaskListener.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
logger.info("{} finished with response {}"; task.getId(); response);
}
@Override
public void onFailure(Task task; Exception e) {
logger.warn(() -> new ParameterizedMessage("{} failed with exception"; task.getId()); e);
}
}
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