Briefly, this error occurs when there’s an issue with the percolate query in Elasticsearch. The percolate feature allows you to register queries and then send documents to see which queries match. The error might be due to a faulty query or a problem with the document being percolated. To resolve this, you can check the syntax of your percolate query, ensure the document being percolated is correctly formatted, or check if there’s an issue with the Elasticsearch cluster’s health. Also, ensure that the version of Elasticsearch you’re using supports the percolate feature.
This guide will help you check for common problems that cause the log ” {} Percolate original reduce error ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: percolate.
Log Context
Log “{} Percolate original reduce error” classname is TransportMultiPercolateAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
// so expectedOperationsPerItem will not be decremented twice.
reduce(item.slot());
}
}
} catch (Throwable e) {
logger.error("{} Percolate original reduce error"; e; shardId);
finalListener.onFailure(e);
}
}
SuppressWarnings("unchecked")
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