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

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when an Elasticsearch command is executed without specifying the index parameter. The index parameter is crucial as it tells Elasticsearch where to perform the operation. To resolve this issue, you need to include the index name in your command. If you’re unsure of the index name, use the ‘_cat/indices’ command to list all indices. Alternatively, if you want to apply the command to all indices, you can use ‘_all’ as the index parameter.

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

Log Context

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

 } else {
 throw new ElasticsearchParseException("[{}] command does not support complex json tokens [{}]"; NAME; token);
 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) {


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