Command missing the to node parameter – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when an Elasticsearch command is missing the ‘to_node’ parameter. This parameter is required to specify the target node for certain operations. To resolve this issue, you can either add the ‘to_node’ parameter to your command or check your command syntax to ensure it’s correct. If you’re using a script or application to generate the command, ensure it’s correctly including the ‘to_node’ parameter.

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This guide will help you check for common problems that cause the log ” [{}] command missing the to_node parameter ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: routing, allocation, cluster.

Log Context

Log “[{}] command missing the to_node parameter” class name is MoveAllocationCommand.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 if (fromNode == null) {
 throw new ElasticsearchParseException("[{}] command missing the from_node parameter"; NAME);
 }
 if (toNode == null) {
 throw new ElasticsearchParseException("[{}] command missing the to_node parameter"; NAME);
 }
 return new MoveAllocationCommand(index; shardId; fromNode; toNode);
 }  @Override

 

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