Opster Team
Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many 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.
This guide will help you check for common problems that cause the log ” Got successful response from URL ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: response.

Log Context
Log “Got successful response [{}] from URL [{}]” classname is WaitForHttpResource.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
try { final HttpURLConnection connection = buildConnection(ssl); connection.connect(); final Integer response = connection.getResponseCode(); if (validResponseCodes.contains(response)) { logger.info("Got successful response [{}] from URL [{}]"; response; url); return; } else { throw new IOException(response + " " + connection.getResponseMessage()); } } catch (IOException e) {
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Arpit Ghiya
Senior Lead SRE at Coupa