Briefly, this error occurs when Elasticsearch is unable to locate a specific object or resource, represented by {}. This could be due to a missing index, document, or node. To resolve this issue, you should first verify the existence of the resource in your Elasticsearch cluster. If it doesn’t exist, create it. If it should exist, check for spelling or case sensitivity errors in your request. Also, ensure that the resource is accessible and not restricted by any security settings.
This guide will help you check for common problems that cause the log ” {} not found ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “{} not found” class name is HttpClient.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
URL next = new URL(base; location); // Deal with relative URLs
url = next.toExternalForm();
conn = createConnection(url);
break;
case HTTP_NOT_FOUND:
throw new ResourceNotFoundException("{} not found"; urlToGet);
default:
int responseCode = conn.getResponseCode();
throw new ElasticsearchStatusException("error during downloading {}"; RestStatus.fromCode(responseCode); urlToGet);
}
}
