using tPOP: javax.mail.MessagingException: Connect failed

[Anonymous]

starting job mail at 22:15 12/12/2018.

[statistics] connecting to socket on port 3425
[statistics] connected
Exception in component tPOP_1 (mail)
javax.mail.MessagingException: Connect failed;
nested 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
at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:148)
at javax.mail.Service.connect(Service.java:275)
at getting_started.mail_0_1.mail.tPOP_1Process(mail.java:366)
at getting_started.mail_0_1.mail.runJobInTOS(mail.java:714)
at getting_started.mail_0_1.mail.main(mail.java:565)
Caused by: 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
at sun.security.ssl.Alerts.getSSLException(Unknown Source)
at sun.security.ssl.SSLSocketImpl.fatal(Unknown Source)
at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
at sun.security.ssl.Handshaker.fatalSE(Unknown Source)
at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)
at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)
at sun.security.ssl.Handshaker.processLoop(Unknown Source)
at sun.security.ssl.Handshaker.process_record(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readDataRecord(Unknown Source)
at sun.security.ssl.AppInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readLine(Unknown Source)
at com.sun.mail.pop3.Protocol.simpleCommand(Protocol.java:347)
at com.sun.mail.pop3.Protocol.<init>(Protocol.java:91)
at com.sun.mail.pop3.POP3Store.getPort(POP3Store.java:201)
at com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:144)
... 4 more
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
at sun.security.validator.Validator.validate(Unknown Source)
at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
... 19 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
at java.security.cert.CertPathBuilder.build(Unknown Source)
... 25 more
[statistics] disconnected

Job mail ended at 22:15 12/12/2018. [exit code=1]

please provide me a solution...

[Anonymous]

Hi,

    Could you please try the initial verification steps mentioned in below community post and let us know the results in your case with screenshots?

https://community.talend.com/t5/Design-and-Development/tPop-component-Opening-gmail-downloading-zip-...

    Once we get these details we will go to the next steps in this analysis.

Warm Regards,

Nikhil Thampi