Log unexpected error while failing replica – How To Solve Related Issues



Log unexpected error while failing replica – How To Solve Related Issues

Opster Team

Feb-20, Version: 1.7-8.0

 

Before you read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES that cause log errors. It’s a free tool that requires no installation and takes 2 minutes to complete.

This guide will help you check for common problems that cause the log ” unexpected error while failing replica ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: replication.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them. Among the dozens of checks included are: shards sizes, thread pools, management queue size, search errors, circuit breakers and many more (join over 700 users who use this free tool).

Log Context

Log “{} unexpected error while failing replica” classname is TransportReplicationAction.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 });
            } else {
                try {
                    failReplicaIfNeeded(t);
                } catch (Throwable unexpected) {
                    logger.error("{} unexpected error while failing replica"; unexpected; request.shardId().id());
                } finally {
                    responseWithFailure(t);
                }
            }
        }






Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Failed To Recover From Translog Cur

2 Github Issue Number 14905






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