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  1. ,
    via Stack Overflow by carlos

    Set the mail.smtp.ssl.trust system property to an smtp host, like smtp.gmail.com.

Solutions on the web

via Google Groups by Grails_user_999, 1 year ago
unable to find valid certification path to requested target
via Stack Overflow by YAT
, 2 years ago
unable to find valid certification path to requested target
via Oracle Community by TakeTheLongPath, 1 year ago
unable to find valid certification path to requested target
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target	at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:196)	at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268)	at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380)	at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)	at sun.security.validator.Validator.validate(Validator.java:260)	at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:326)	at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)	at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126)	at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1323)	at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)	at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868)	at sun.security.ssl.Handshaker.process_record(Handshaker.java:804)	at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1016)	at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)	at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1339)	at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1323)	at jodd.http.net.SocketHttpSecureConnection.init(SocketHttpSecureConnection.java:43)	at jodd.http.net.SocketHttpConnectionProvider.createHttpConnection(SocketHttpConnectionProvider.java:85)	at jodd.http.HttpRequest.open(HttpRequest.java:662)	at jodd.http.HttpRequest.open(HttpRequest.java:646)	at jodd.http.HttpRequest._send(HttpRequest.java:744)	at jodd.http.HttpRequest.send(HttpRequest.java:739)