Command missing the shard 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 executed without specifying the shard parameter. This parameter is crucial as it tells Elasticsearch which shard to perform the operation on. To resolve this issue, you can either specify the shard parameter in your command or set a default shard parameter in your Elasticsearch configuration. Additionally, ensure that your command syntax is correct and that you’re using the appropriate command for your intended operation.

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

Log Context

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

 }
 if (index == null) {
 throw new ElasticsearchParseException("[{}] command missing the index parameter"; NAME);
 }
 if (shardId == -1) {
 throw new ElasticsearchParseException("[{}] command missing the shard parameter"; NAME);
 }
 if (fromNode == null) {
 throw new ElasticsearchParseException("[{}] command missing the from_node parameter"; NAME);
 }
 if (toNode == null) {

 

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