Briefly, this error occurs when an Elasticsearch Transform operation fails. This could be due to various reasons such as insufficient resources, incorrect configuration, or data issues. To resolve this, you can try the following: 1) Check the server’s resources (CPU, memory, disk space) and increase them if necessary. 2) Review the transform configuration for any errors and correct them. 3) Check the data being transformed for inconsistencies or issues that could cause the transform to fail. 4) Look at the Elasticsearch logs for more detailed error messages that can help identify the problem.
This guide will help you check for common problems that cause the log ” [{}] transform has failed; experienced: [{}]. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “[{}] transform has failed; experienced: [{}].” classname is TransformTask.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
logger.info("[{}] encountered a failure but indexer is STOPPED; reason [{}]."; getTransformId(); reason);
listener.onResponse(null);
return;
}
logger.error("[{}] transform has failed; experienced: [{}]."; transform.getId(); reason);
auditor.error(transform.getId(); reason);
// We should not keep retrying. Either the task will be stopped; or started
// If it is started again; it is registered again.
transformScheduler.deregisterTransform(getTransformId());
// The idea of stopping at the next checkpoint is no longer valid. Since a failed task could potentially START again;
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