Markus Schuch created CONNECTORS-1682:
-----------------------------------------
Summary: 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
Reporter: Markus Schuch
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 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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