Interrupted while launching PyTorch process – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8-8.9

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Briefly, this error occurs when Elasticsearch is interrupted while trying to launch a PyTorch process, which is a machine learning library. This could be due to insufficient resources, incorrect configuration, or an issue with the PyTorch library itself. To resolve this issue, you can try increasing system resources, checking the configuration settings for any errors, or reinstalling or updating the PyTorch library. Additionally, ensure that Elasticsearch has the necessary permissions to launch external processes.

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This guide will help you check for common problems that cause the log ” Interrupted while launching PyTorch process ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Interrupted while launching PyTorch process” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        PyTorchBuilder pyTorchBuilder = new PyTorchBuilder(nativeController; processPipes; task.getParams());
        try {
        } catch (InterruptedException e) {
            logger.warn("Interrupted while launching PyTorch process");
        } catch (IOException e) {
            String msg = "Failed to launch PyTorch process";
            throw ExceptionsHelper.serverError(msg + " on [" + nodeName + "]"; e);


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