One of answers of this question[1] might solve your question.
[1] http://stackoverflow.com/questions/10085856/java-mail-exception-error
Thanks
On Tue, Oct 11, 2016 at 3:28 PM, Aneela Safdar wrote:
> Hi,
>
> I am trying to send notification using Email adapter of Event Publisher.
> This is my output-event-adapter.xml's Email configurations
>
>
>
> safdar.anee...@gmail.com
> Aneela Safdar
> */property>
> smtp.gmail.com
> 587
> true
> true
>
> 8
> 100
> 2
> 1
>
>
> I receive following error upon publishing events.I am behind a proxy, is
> this an issue behind this error or something else?
>
> [2016-10-11 14:57:35,024] ERROR {org.wso2.carbon.event.output.
> adapter.email.Emai
> lEventAdapter} - Event dropped at Output Adapter 'AlertEmailPublisher'
> for tena
> nt id '-1234', Error in message format, Unknown SMTP host: smtp.gmail.com
> javax.mail.MessagingException: *Unknown SMTP host: smtp.gmail.com
> *;
> nested exception is:
> java.net.UnknownHostException: smtp.gmail.com
> at com.sun.mail.smtp.SMTPTransport.openServer(
> SMTPTransport.java:1280)
> at com.sun.mail.smtp.SMTPTransport.protocolConnect(
> SMTPTransport.java:37
> 0)
> at javax.mail.Service.connect(Service.java:297)
> at javax.mail.Service.connect(Service.java:156)
> at javax.mail.Service.connect(Service.java:105)
> at javax.mail.Transport.send0(Transport.java:168)
> at javax.mail.Transport.send(Transport.java:98)
> at org.wso2.carbon.event.output.adapter.email.
> EmailEventAdapter$EmailSen
> der.run(EmailEventAdapter.java:306)
> at java.util.concurrent.Executors$RunnableAdapter.
> call(Executors.java:47
> 1)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(
> ThreadPoolExecutor.
> java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor
> .java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.net.UnknownHostException: smtp.gmail.com
> at java.net.AbstractPlainSocketImpl.connect(
> AbstractPlainSocketImpl.java
> :178)
> at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:579)
> at java.net.Socket.connect(Socket.java:528)
> at com.sun.mail.util.SocketFetcher.createSocket(
> SocketFetcher.java:232)
> at com.sun.mail.util.SocketFetcher.getSocket(
> SocketFetcher.java:189)
> at com.sun.mail.smtp.SMTPTransport.openServer(
> SMTPTransport.java:1250)
> ... 12 more
>
> Regards,
> Aneela Safdar
>
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>
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WSO2 Inc. www.wso2.com
lean.enterprise.middleware
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