Received join request from node ; but found existing node with same address; removing existing node – How to solve related issues

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Received join request from node ; but found existing node with same address; removing existing node – 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 ” Received join request from node ; but found existing node with same address; removing existing node ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery, join, node and request.

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 “received join request from node [{}]; but found existing node {} with same address; removing existing node” classname is NodeJoinController.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         nodeAdded = true;
                        nodesBuilder.put(node);
                        for (DiscoveryNode existingNode : currentState.nodes()) {
                            if (node.address().equals(existingNode.address())) {
                                nodesBuilder.remove(existingNode.id());
                                logger.warn("received join request from node [{}]; but found existing node {} with same address; removing existing node"; node; existingNode);
                            }
                        }
                    }
                }
            }




 

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