Preventing postIngest from being called more than once – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.17-8.6

Briefly, this error occurs when the postIngest method in Elasticsearch is being called more than once, which is not allowed. This could be due to a programming error or a misconfiguration. To resolve this issue, you can check your code to ensure that the postIngest method is only called once. If it’s a configuration issue, review your Elasticsearch settings to ensure they are correct. Also, ensure that your Elasticsearch version is up-to-date as this could be a bug that has been fixed in a newer version.

This guide will help you check for common problems that cause the log ” Preventing postIngest from being called more than once ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “Preventing postIngest from being called more than once” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        } catch (Exception e) {
            long ingestTimeInNanos = relativeTimeProvider.getAsLong() - startTimeInNanos;
            if (postIngestHasBeenCalled.get()) {
                logger.warn("Preventing postIngest from being called more than once"; e);
                assert false : "Attempt to call postIngest more than once";
            } else {
            executeOnFailureOuter(finalCurrentProcessor; finalIngestDocument; handler; finalProcessor; finalMetric; e);


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