A filter with id filter getId already exists – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.16-8.9

Briefly, this error occurs when you try to create a filter in Elasticsearch with an ID that already exists in the system. Elasticsearch requires unique IDs for each filter to avoid conflicts. To resolve this issue, you can either delete the existing filter with the same ID or use a different, unique ID for the new filter. Another option is to update the existing filter if the intention was to modify it.

This guide will help you check for common problems that cause the log ” A filter with id [” + filter.getId() + “] already exists ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, filter.

Log Context

Log “A filter with id [” + filter.getId() + “] already exists” class name is TransportPutFilterAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public void onFailure(Exception e) {
 Exception reportedException;
 if (ExceptionsHelper.unwrapCause(e) instanceof VersionConflictEngineException) {
 reportedException = new ResourceAlreadyExistsException("A filter with id [" + filter.getId() + "] already exists");
 } else {
 reportedException = ExceptionsHelper.serverError("Error putting filter with id [" + filter.getId() + "]"; e);


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