TeamCity 2017.2.3 (build 51047) LDAPS integration with samba dc

Hello im unable to synchronize with my domain controller running on samba by ldaps.
Im getting this error by while trying to run synchronization:

Root exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target]

And my self signed cert CA and public key are added in to java keystore.