Sometimes when entering comments in an issue, Jira registers multiple instances of that comment, as if it were entered multiple times in rapid succession. It also sends out notifications for each one of those.
Typically 2-3 entries. I have seen an instance of 7 (seven) entries with the same timestamp.
Has anyone seen this? Where would I even start looking?
JIRA server 6.3.1
PS I do NOT believe this is related to the only similar issue I have found reported that talks about double clicks.
From what I can see the two users I am tracking on this matter are using chrome (access_log). Generally we have found that Chrome and FF are way less quirky than IE with Atlassian products. It will be hard to qualify which browsers are used w.r.t. this issue until we collect more data. Also, we don't know how to reproduce it, so its a waiting game. Thanks, Mike
I also see this problem - and indeed it is because the user accidentally clicks the Add Comment button multiple times. This especially happens when the ajax call is slow and the user hasn't gotten feedback that the click was accepted. Is there a way, or would it be possible, to disable the button after it has already been clicked until after the ajax call has been processed. Obviously feedback to the user would be great.
I have figured out the cause of this issue. In atlassian-jira-outgoing-emails.log there is an exception entry for each email that is being resent. The email is sent and accepted by the mail server, but the response timeouts and JIRA will resend the email causing duplicates.
In "Administration -> System -> Outgoing Email -> Default SMTP Server -> Edit -> SMTP Host -> Timeout" I have changed the default value 10000 ms (10s) to 30s. This should largely solve the issue. If not, increase the timeout even further until those exceptions disappear.
2016-04-05 14:21:20,732 ERROR [Jira (Production)] Sending mailitem .... com.atlassian.mail.MailException: javax.mail.MessagingException: Exception reading response; nested exception is: java.net.SocketTimeoutException: Read timed out at com.atlassian.mail.server.impl.SMTPMailServerImpl.sendWithMessageId(SMTPMailServerImpl.java:213) at com.atlassian.mail.queue.SingleMailQueueItem.send(SingleMailQueueItem.java:44) Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:110)
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