Failed to initialize SSL KeyManager – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.4-7.17

Briefly, this error occurs when Elasticsearch is unable to initialize the SSL KeyManager due to issues with the SSL configuration. This could be due to incorrect file paths, incorrect file permissions, or issues with the keystore password. To resolve this issue, you can verify the file paths and permissions, ensure the keystore password is correct, or check the SSL configuration for any errors. If the problem persists, consider regenerating your SSL certificates and keys.

This guide will help you check for common problems that cause the log ” failed to initialize SSL KeyManager ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to initialize SSL KeyManager” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } catch (AccessDeniedException e) {
 throw unreadableKeyConfigFile(e; KEYSTORE_FILE; ksPath);
 } catch (AccessControlException e) {
 throw blockedKeyConfigFile(e; environment; KEYSTORE_FILE; ksPath);
 } catch (IOException | GeneralSecurityException e) {
 throw new ElasticsearchException("failed to initialize SSL KeyManager"; e);
 }  @Override
 X509ExtendedTrustManager createTrustManager(@Nullable Environment environment) {


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