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Briefly, this error occurs when the ExtensionsManager in OpenSearch is initialized. However, this is not an error message but an informational log message indicating that the ExtensionsManager, which manages the extensions or plugins in OpenSearch, has been successfully initialized. If you’re seeing issues, they may not be related to this message. To resolve any issues, ensure your extensions are compatible with your OpenSearch version, check for any specific extension errors in the logs, and verify your OpenSearch configuration.
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This guide will help you check for common problems that cause the log ” ExtensionsManager initialized ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “ExtensionsManager initialized” classname is ExtensionsManager.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
*
* @param additionalSettings Additional settings to read in from extension initialization request
* @throws IOException If the extensions discovery file is not properly retrieved.
*/
public ExtensionsManager(Set> additionalSettings) throws IOException {
logger.info("ExtensionsManager initialized");
this.initializedExtensions = new HashMap();
this.extensionIdMap = new HashMap();
this.extensionSettingsMap = new HashMap();
// will be initialized in initializeServicesAndRestHandler which is called after the Node is initialized
this.transportService = null;
