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https://issues.apache.org/jira/browse/CONNECTORS-1682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17457368#comment-17457368
]
Markus Schuch commented on CONNECTORS-1682:
-------------------------------------------
Newer Versions of Java Mail are now located at
https://repo1.maven.org/maven2/com/sun/mail/javax.mail/
(see https://javaee.github.io/javamail/)
> E-Mail Notification Connector lacks support for TLSv1.2
> -------------------------------------------------------
>
> Key: CONNECTORS-1682
> URL: https://issues.apache.org/jira/browse/CONNECTORS-1682
> Project: ManifoldCF
> Issue Type: Bug
> Components: Email connector
> Affects Versions: ManifoldCF 2.20
> Reporter: Markus Schuch
> Assignee: Markus Schuch
> Priority: Major
>
> E-Mail Notifications fail with {{javax.net.ssl.SSLHandshakeException: No
> appropriate protocol (protocol is disabled or cipher suites are
> inappropriate)}}
> Full Stacktrace
> {code:java}
> 2021-12-01T16:20:21,315 WARN [Job reset thread]
> org.apache.manifoldcf.connectors: Error notifying: Error sending email: Could
> not convert socket to TLS
> org.apache.manifoldcf.core.interfaces.ManifoldCFException: Error sending
> email: Could not convert socket to TLS
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailConnector.handleMessagingException(EmailConnector.java:773)
> ~[mcf-email-connector.jar:?]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailConnector.sendMail(EmailConnector.java:307)
> ~[mcf-email-connector.jar:?]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailConnector.notifyOfJobStopErrorAbort(EmailConnector.java:205)
> ~[mcf-email-connector.jar:?]
> at
> org.apache.manifoldcf.crawler.system.JobResetThread.doStopNotifications(JobResetThread.java:205)
> [mcf-pull-agent.jar:?]
> at
> org.apache.manifoldcf.crawler.system.JobResetThread.run(JobResetThread.java:102)
> [mcf-pull-agent.jar:?]
> Caused by: javax.mail.MessagingException: Could not convert socket to TLS
> at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1918)
> ~[mail-1.4.5.jar:1.4.5]
> at
> com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:652)
> ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:317) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:176) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:125) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Transport.send0(Transport.java:194)
> ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Transport.send(Transport.java:124) ~[mail-1.4.5.jar:1.4.5]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailSession.send(EmailSession.java:112)
> ~[mcf-email-connector.jar:?]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailConnector$SendThread.run(EmailConnector.java:963)
> ~[mcf-email-connector.jar:?]
> Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol
> (protocol is disabled or cipher suites are inappropriate)
> at
> java.base/sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:170)
> ~[?:?]
> at
> java.base/sun.security.ssl.ClientHandshakeContext.<init>(ClientHandshakeContext.java:98)
> ~[?:?]
> at
> java.base/sun.security.ssl.TransportContext.kickstart(TransportContext.java:221)
> ~[?:?]
> at
> java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:433)
> ~[?:?]
> at
> java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:411)
> ~[?:?]
> at
> com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:548)
> ~[mail-1.4.5.jar:1.4.5]
> at com.sun.mail.util.SocketFetcher.startTLS(SocketFetcher.java:485)
> ~[mail-1.4.5.jar:1.4.5]
> at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1913)
> ~[mail-1.4.5.jar:1.4.5]
> at
> com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:652)
> ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:317) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:176) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Service.connect(Service.java:125) ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Transport.send0(Transport.java:194)
> ~[mail-1.4.5.jar:1.4.5]
> at javax.mail.Transport.send(Transport.java:124) ~[mail-1.4.5.jar:1.4.5]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailSession.send(EmailSession.java:112)
> ~[mcf-email-connector.jar:?]
> at
> org.apache.manifoldcf.crawler.notifications.email.EmailConnector$SendThread.run(EmailConnector.java:963)
> ~[mcf-email-connector.jar:?] {code}
> I think this has to with the mail server requiring TLSv1.2 only.
> ManifoldCF ships java mail 1.4.5 which according to [this
> source|https://www.titanwolf.org/Network/q/223c7629-5611-4434-aedf-4b24c40dcbb6/y]
> does not support TLSv1.2.
> We should upgrade to java mail 1.6.x.
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