General node connection failure – How to solve this Elasticsearch error

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General node connection failure – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

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

This guide will help you check for common problems that cause the log ” general node connection failure ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: node.

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 “general node connection failure”classname  is TcpTransport.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

CloseableChannel.closeChannels(channels; false);
 listener.onFailure(e);
 return channels;
 } catch (Exception e) {
 CloseableChannel.closeChannels(channels; false);
 listener.onFailure(new ConnectTransportException(node; "general node connection failure"; e));
 return channels;
 }
 } 
 ChannelsConnectedListener channelsConnectedListener = new ChannelsConnectedListener(node; connectionProfile; channels;

 

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