How To Solve Issues Related to Log – Exception while notifying engine failure

How To Solve Issues Related to Log – Exception while notifying engine failure

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Exception while notifying engine failure” it’s important to understand a few problems related to Elasticsearch concepts index, shard. See bellow important tips and explanations on these concepts

Log Context

Log”Exception while notifying engine failure” classname is IndexShard.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             for (Consumer listener : delegates) {
                try {
                    listener.accept(shardFailure);
                } catch (Exception inner) {
                    inner.addSuppressed(failure);
                    logger.warn("exception while notifying engine failure"; inner);
                }
            }
        }
    }





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 Github Issue Number 6569  

Github Issue Number 12366  

Github Issue Number 12011

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