Unexpected error while processing cluster state version – How to solve related issues

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Unexpected error while processing cluster state version – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Unexpected error while processing cluster state version ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, discovery and version.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “unexpected error while processing cluster state version [{}]” classname is PublishClusterStateAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                             logger.debug("failed to send response on cluster state processed"; e);
                        }
                    }
                });
            } catch (Exception e) {
                logger.warn("unexpected error while processing cluster state version [{}]"; e; lastSeenClusterState.version());
                try {
                    channel.sendResponse(e);
                } catch (Throwable e1) {
                    logger.debug("failed to send response on cluster state processed"; e1);
                }




 

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