wooohoooo, I finally got some errors. Please help me debug.
[2012-07-27 19:06:57,256] ERROR com.google.gerrit.server.git.ReceiveCommits : Cannot send email for new patch set 16,4
com.google.gerrit.server.mail.EmailException: Connection closed without indication.
at com.google.gerrit.server.mail.SmtpEmailSender.open(SmtpEmailSender.java:264)
at com.google.gerrit.server.mail.SmtpEmailSender.send(SmtpEmailSender.java:161)
at com.google.gerrit.server.mail.OutgoingEmail.send(OutgoingEmail.java:125)
at com.google.gerrit.server.git.ReceiveCommits$4.run(ReceiveCommits.java:1515)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at com.google.gerrit.server.util.RequestScopePropagator$1.call(RequestScopePropagator.java:86)
at com.google.gerrit.server.util.ThreadLocalRequestScopePropagator$1.call(ThreadLocalRequestScopePropagator.java:58)
at com.google.gerrit.server.util.RequestScopePropagator$2.call(RequestScopePropagator.java:96)
at com.google.gerrit.server.util.RequestScopePropagator$4.run(RequestScopePropagator.java:161)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)
at com.google.gerrit.server.git.WorkQueue$Task.run(WorkQueue.java:333)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: org.apache.commons.net.smtp.SMTPConnectionClosedException: Connection closed without indication.
at org.apache.commons.net.smtp.SMTP.__getReply(SMTP.java:182)
at org.apache.commons.net.smtp.SMTP.__sendCommand(SMTP.java:162)
at org.apache.commons.net.smtp.SMTP.sendCommand(SMTP.java:318)
at org.apache.commons.net.smtp.AuthSMTPClient.login(AuthSMTPClient.java:77)
at com.google.gerrit.server.mail.SmtpEmailSender.open(SmtpEmailSender.java:247)
... 17 more