Failed to parse phase definition for index index – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.15-8.9

Briefly, this error occurs when Elasticsearch is unable to parse the phase definition for a specific index during an index lifecycle management operation. This could be due to incorrect syntax, missing parameters, or invalid values in the phase definition. To resolve this issue, you can: 1) Review and correct the phase definition syntax; 2) Ensure all required parameters are included; 3) Validate the values provided in the phase definition; 4) Check the Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” failed to parse phase definition for index [” + index + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index.

Log Context

Log “failed to parse phase definition for index [” + index + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (IOException e) {
 listener.onFailure(new ElasticsearchParseException("failed to parse phase definition for index [" + index + "]"; e));
 }  if (indexResponse != null) {
 indexResponses.put(indexResponse.getIndex(); indexResponse);


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?