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From "Howard W. Smith, Jr." <smithh032...@gmail.com>
Subject Re: Exception while sending Email
Date Fri, 10 Jan 2014 11:31:45 GMT
response inline/below.


On Fri, Jan 10, 2014 at 5:40 AM, Radhakrishna Kalyan <nrkkalyan@gmail.com>wrote:

> Hi,
>
> <snip>


> I have a session bean and it is trying to send an email using Java's email
> using Transport.send().
>
> But I am getting the following exception:
>
> *javax.mail.MessagingException: java.net.SocketTimeoutException: Read timed
> out         at
>
</snip>

SocketTimeoutException is 'usually' a valid exception that you 'may' want
to handle (or just log to error file) in your app, but keep reading below.

<snip>

>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.receiveLine(SMTPConnection.java:760)
> at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.receiveLine(SMTPConnection.java:682)
> at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.getReply(SMTPConnection.java:692)
>         at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.sendCommand(SMTPConnection.java:655)
> at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.sendQuit(SMTPConnection.java:571)
> at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPConnection.close(SMTPConnection.java:181)
>         at
>
> org.apache.geronimo.javamail.transport.smtp.SMTPTransport.close(SMTPTransport.java:503)
>
</snip>

As you can see above, org.apache.geronimo.javamail is a 'wrapper' for
(oracle/sun's) javamail (jar).


> at javax.mail.Transport.send(Transport.java:144)        at
> javax.mail.Transport.send(Transport.java:48)         at
>
> com.netgiro.utils.mail.NgMailSenderImpl.sendMessageUsingJavaMail(NgMailSenderImpl.java:228)
> at
>
> com.netgiro.utils.mail.NgMailSenderImpl.sendMessageNow(NgMailSenderImpl.java:196)*
>
> Any suggestions about how to send email in OpenEJB
>

When I first started using TomEE (OpenEJB) to send/receive emails, I ran
into an unrelated issue/defect, GERONIMO-6421[1]. After reporting that
issue to tomee user list, I was advised by David Blevins to do the
following:

1. remove geronimo-javamail_1.4_mail-1.8.2.jar from tomee/lib folder
2. drop/replace-that-file-with oracle/sun's javamail JAR file

That solved my issue. So, whenever I use new release/snapshot of tomee+, i
always repeat the steps above, before I start tomee (and my app). If you
continue to experience the SocketTimeoutException, then there is an I.P.
connection issue between your app/server and target/email server. Since
tomee=tomcat, you can configure your <Connector> in tomee's server.xml to
avoid SocketTimeoutException's.

While searching my apache/tomee emails, I found the following tomee-user
topic,

Not loading smtps resource properly[2]

you may want to read that topic and search tomee/openejb user list for
related topics, if you prefer to use geronimo's wrapper jar.

Also, below is my question[3] on tomcat-user list about
SocketTimeoutException and someone's response,

> From: Howard W. Smith, Jr. [mailto:smithh032772@gmail.com]
> Subject: java.net.SocketTimeoutException: Read timed out

> The stack trace below is the exception that occurred today. Does this look
> like a tomcat or google calendar issue?

It has nothing to do with Tomcat; it's your webapp that opened the
connection to Google - Tomcat is completely unaware of it.  Whether it's a
Google limitation or a bug in your webapp can't be determined from just the
stack trace.  Best if you could get a network traffic capture for the
incident and see if the request to Google is malformed, which might well
result in the Google server ignoring it.


[1] https://issues.apache.org/jira/browse/GERONIMO-6421
[2]
http://openejb.979440.n4.nabble.com/Not-loading-smtps-resource-properly-td4664442.html
[3]
http://tomcat.10.x6.nabble.com/java-net-SocketTimeoutException-Read-timed-out-td4997664.html

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