[JIRA] (JENKINS-56855) MessagingException message: IOException while sending message

[garrett8...@gmail.com (JIRA)]

Title: Message Title

Garrett Nickerson created an issue   Jenkins / JENKINS-56855 MessagingException message: IOException while sending message Issue Type: Bug Assignee: David van Laatum Components: email-ext-plugin Created: 2019-04-02 15:34 Environment: Jenkins Version: 2.121.3 email-ext-plugin version: 2.63 java.version: 1.8.0_144 Priority: Major Reporter: Garrett Nickerson I am seeing an intermittent issue where emails are not being sent, and there is no output in the regular log to indicate why. 3 out of our last 12 builds failed to email. When I turned on email-ext debug logging I got the following output:   [Pipeline] emailext messageContentType = text/html; charset=UTF-8 Adding recipients from project recipient list Analyzing: ******@*******.com Looking for: ******@*******.com starting at: 0 firstFoundIdx: 0 firstFoundIdx-substring: ******@*******.com => found type: 0 Analyzing: ******@*******.com Looking for: ******@*******.com starting at: 0 firstFoundIdx: 0 firstFoundIdx-substring: ******@*******.com => found type: 0 Analyzing: ******@*******.com Looking for: ******@*******.com starting at: 0 firstFoundIdx: 0 firstFoundIdx-substring: ******@*******.com => found type: 0 Adding recipients from trigger recipient list Analyzing: ***-Jenkins,<******@*******.com> Looking for: ***-Jenkins starting at: 0 firstFoundIdx: 0 firstFoundIdx-substring: ***-Jenkins,<******@*******.com> => found type: 0 Looking for: ******@*******.com starting at: 12 firstFoundIdx: 13 firstFoundIdx-substring: ******@*******.com> => found type: 0 Analyzing: ***-Jenkins,<******@*******.com> Looking for: ***-Jenkins starting at: 0 firstFoundIdx: 0 firstFoundIdx-substring: ***-Jenkins,<******@*******.com> => found type: 0 Looking for: ******@*******.com starting at: 12 firstFoundIdx: 13 firstFoundIdx-substring: ******@*******.com> => found type: 0 Successfully created MimeMessage Sending email to: ******@*******.com MessagingException message: IOException while sending message       The only difference between a successful email sent and an email failure is that last line:   MessagingException message: IOException while sending message   I noticed a similar recent issue in a different email plugin:  https://issues.jenkins-ci.org/browse/JENKINS-53305 Since we cannot rely on an email notification, we had to implement a policy to closely watch builds to see if they fail.   Add Comment   This message was sent by Atlassian Jira (v7.11.2#711002-sha1:fdc329d) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.