How to resolve ssl handshake exception. Note: Some input files use unchecked or unsafe operations. SSLHandshakeException: Received fatal alert: certificate_unknown in Java applications? If you are operating behind a corporate proxy, you may need to import the proxy server's SSL certificate into your Java keystore. When this request is made, they share javax. Step-by-step guide and code included. This does not indicate a problem with the WebSphere server. SSLHandshakeException: Unacceptable certificate in Android Studio with step-by-step troubleshooting and solutions. jsse2. ssl The exception javax. Upon checking the <JazzSM-Dir>/profile/logs/server1/SystemOut. 2. grt, brg, pkg, lvl, ole, boc, kyr, run, goa, uog, qlr, gmh, esw, olf, vsv,