Briefly, this error occurs when Elasticsearch is unable to delete temporary files due to insufficient permissions, disk space issues, or the files being in use. To resolve this, you can manually delete the temporary files, ensure Elasticsearch has the necessary permissions, or check if the files are being used by another process. Additionally, make sure there is enough disk space available. If the issue persists, restarting the Elasticsearch service might help.
This guide will help you check for common problems that cause the log ” [{}] Failed to delete temporary files ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: delete, plugin.
Overview
DELETE is an Elasticsearch API which removes a document from a specific index. This API requires an index name and _id document to delete the document.
Delete a document
DELETE /my_index/_doc/1
Notes
- A delete request throws 404 error code if the document does not already exist in the index.
- If you want to delete a set of documents that matches a query, you need to use delete by query API.
Log Context
Log “[{}] Failed to delete temporary files” classname is AutodetectProcessManager.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
setJobState(jobTask; JobState.FAILED; reason);
try {
nativeStorageProvider.cleanupLocalTmpStorage(jobTask.getDescription());
} catch (IOException e) {
logger.error(new ParameterizedMessage("[{}] Failed to delete temporary files"; jobTask.getJobId()); e);
}
};
}
private void closeProcessAndTask(ProcessContext processContext; JobTask jobTask; String reason) {
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