Putting warmer – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when you’re trying to add a new index warmer in Elasticsearch, but the process fails due to various reasons such as incorrect syntax, insufficient permissions, or network issues. To resolve this, ensure that your syntax is correct and you have the necessary permissions to add a warmer. Also, check your network connection and ensure that the Elasticsearch cluster is running properly. If the problem persists, consider checking the Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” [{}] putting warmer [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, indices and warmer.

Log Context

Log “[{}] putting warmer [{}]” classname is TransportPutWarmerAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (indexMetaData == null) {
                                throw new IndexNotFoundException(index);
                            }
                            IndexWarmersMetaData warmers = indexMetaData.custom(IndexWarmersMetaData.TYPE);
                            if (warmers == null) {
                                logger.info("[{}] putting warmer [{}]"; index; request.name());
                                warmers = new IndexWarmersMetaData(new IndexWarmersMetaData.Entry(request.name(); request.searchRequest().types(); request.searchRequest().requestCache(); source));
                            } else {
                                boolean found = false;
                                List entries = new ArrayList(warmers.entries().size() + 1);
                                for (IndexWarmersMetaData.Entry entry : warmers.entries()) {

 

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