Article - CS342318
Email notification fails with error "Could not convert socket to TLS" in Windchill PDMLink
Modified: 28-May-2025
Applies To
- Windchill PDMLink 12.0 to 12.1
Description
- Big number of entries of EmailQueue in Ready state with future Schedule time
- EmailQueue entries failing with
Latest Delivery Time Exceeded - After following the steps in CS288408 to configure Windchill to connect to Office365 SMTP, sending Email fails
- In EmailQueue, see Could not convert socket to TLS message
- The entry requeue in Ready sate
- With wt.mail JMX logging level set to ALL, see the following logging messages in Methodserver log after sending email
2021-04-05 10:13:03,563 INFO [EMailQueue.SchedulingThread] wt.system.err Administrator - javax.mail.MessagingException: Could not convert socket to TLS; 2021-04-05 10:13:03,563 INFO [EMailQueue.SchedulingThread] wt.system.err Administrator - nested exception is: 2021-04-05 10:13:03,563 INFO [EMailQueue.SchedulingThread] wt.system.err Administrator - 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 2021-04-05 10:13:03,563 INFO [EMailQueue.SchedulingThread] wt.system.err Administrator - at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2155) 2021-04-05 10:13:03,563 INFO [EMailQueue.SchedulingThread] wt.system.err Administrator - at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:752)
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