"SSLHandshakeException: Unsupported curveId: 29" Errors After Active Directory Domain Controllers Upgraded to 2016
(Doc ID 2325756.1)
Last updated on MARCH 03, 2019
Applies to:Oracle WebLogic Server - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
After updating Domain Controller to 2016, SSL handshake errors are seen in the WebLogic Server 12.2.1 Admin Server logs:
weblogic.security.SSL.jsseadapter: SSLENGINE: Exception occurred during SSLEngine.unwrap(ByteBuffer,ByteBuffer).
javax.net.ssl.SSLHandshakeException: Unsupported curveId: 29
Depending on the configuration, this can also occur at startup, where WLS fails to connect to LDAP, throwing curveId: 29 exception:
<Warning> <Security> <BEA-099117> <The LDAP authentication provider named "AD12" failed to make a connection to LDAO server at ldaps://host:port, the error cause is:Unsupported curveId: 29.>
<Info> <Security> <BEA-090516> <The Authenticator provider has pre-existing LDAP data.>
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