No commands – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch is unable to find any commands to execute. This could be due to a syntax error in the command line, a missing configuration file, or an incorrect command. To resolve this issue, you can check the syntax of your command, ensure that the configuration file is in the correct location and properly formatted, or verify that the command you’re trying to execute is valid and supported by Elasticsearch.

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This guide will help you check for common problems that cause the log ” No commands ” 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 “No commands” class name is AllocationCommands.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public static AllocationCommands fromXContent(XContentParser parser) throws IOException {
 AllocationCommands commands = new AllocationCommands();  XContentParser.Token token = parser.currentToken();
 if (token == null) {
 throw new ElasticsearchParseException("No commands");
 }
 if (token == XContentParser.Token.FIELD_NAME) {
 if (parser.currentName().equals("commands") == false) {
 throw new ElasticsearchParseException("expected field name to be named [commands]; got [{}] instead"; parser.currentName());
 }

 

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