Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.
To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.
Take a self-guided product tour to see for yourself (no registration required).This guide will help you check for common problems that cause the log ” ” + AUTO_CREATE_INDEX_SETTING.getKey() + ” is false ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “[” + AUTO_CREATE_INDEX_SETTING.getKey() + “] is [false]”classname is AutoCreateIndex.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
// One volatile read; so that all checks are done against the same instance:
final AutoCreate autoCreate = this.autoCreate;
if (autoCreate.autoCreateIndex == false) {
throw new IndexNotFoundException("[" + AUTO_CREATE_INDEX_SETTING.getKey() + "] is [false]"; index);
}
// matches not set; default value of "true"
if (autoCreate.expressions.isEmpty()) {
return true;
Find & fix Elasticsearch problems
