Allocation command is malformed done parsing a command – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when the allocation command sent to Elasticsearch is not correctly formatted. This could be due to incorrect syntax, missing parameters, or invalid values. To resolve this issue, you should first verify the syntax of your command against the Elasticsearch documentation. Ensure all required parameters are included and that they have valid values. If the command is part of a script, check for any errors in the script that could be causing the command to be malformed.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” allocation command is malformed; done parsing a command; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, allocation, routing.

Log Context

Log “allocation command is malformed; done parsing a command;” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 String commandName = parser.currentName();
 token = parser.nextToken();
 commands.add(parser.namedObject(AllocationCommand.class; commandName; null));
 // move to the end object one
 if (parser.nextToken() != XContentParser.Token.END_OBJECT) {
 throw new ElasticsearchParseException("allocation command is malformed; done parsing a command;" +
 " but didn't get END_OBJECT; got [{}] instead"; token);
 } else {
 throw new ElasticsearchParseException("allocation command is malformed; got [{}] instead"; token);


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?