JobTask getJobId Failed to delete temporary files – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch is unable to delete temporary files created during a job task. This could be due to insufficient permissions, disk space issues, or a process still using the files. To resolve this, ensure that Elasticsearch has the necessary permissions to delete files in the directory. Also, check if there’s enough disk space and if not, free up some. Lastly, identify and stop any processes that might be using the files, preventing their deletion.

This guide will help you check for common problems that cause the log ” [” + jobTask.getJobId() + “] Failed to delete temporary files ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, task.

Log Context

Log “[” + jobTask.getJobId() + “] Failed to delete temporary files” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            setJobState(jobTask; JobState.FAILED; reason);
            try {
            } catch (IOException e) {
                logger.error(() -> "[" + jobTask.getJobId() + "] Failed to delete temporary files"; e);

    private void closeProcessAndTask(ProcessContext processContext; JobTask jobTask; String reason) {


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