Building cluster state with weighted routing weights – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.4-2.9

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Briefly, this error occurs when OpenSearch is trying to build a cluster state with weighted routing weights, but encounters an issue. This could be due to incorrect configuration settings, network issues, or a bug in the software. To resolve this, you could try checking and correcting your configuration settings, ensuring that all nodes in the cluster are properly connected and communicating, or updating to the latest version of OpenSearch to fix any potential bugs. If the problem persists, consider seeking help from the OpenSearch community or support team.

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This guide will help you check for common problems that cause the log ” building cluster state with weighted routing weights [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: routing, cluster.

Log Context

Log “building cluster state with weighted routing weights [{}]” classname is WeightedRoutingService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                        logger.info("weights are same; not updating weighted routing weights [{}] in metadata"; newWeightedRouting);
                        return currentState;
                    }
                }
                mdBuilder.putCustom(WeightedRoutingMetadata.TYPE; weightedRoutingMetadata);
                logger.info("building cluster state with weighted routing weights [{}]"; newWeightedRouting);
                return ClusterState.builder(currentState).metadata(mdBuilder).build();
            }

            @Override
            public void onFailure(String source; Exception e) {

 

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