Failed to notify listener – 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 ” Failed to notify listener ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Index and Memory.

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 “failed to notify listener [{}]” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                             listener.onSnapshotCompletion(snapshotId; snapshot);
                        } else {
                            listener.onSnapshotFailure(snapshotId; t);
                        }
                    } catch (Throwable t) {
                        logger.warn("failed to notify listener [{}]"; t; listener);
                    }
                }

            }
        });




 

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