Hei Neil,

which version of the server are you using? I guess you are using 0.20.2. This 
bug should have been fixed in 0.20.3, so after upgrading it should work.

Kr,
        Dennis

On 16.06.2014, at 03:36, Neil Ferreira <[email protected]> wrote:

> hi all,
> 
> I've setup my first stream,  added 4 users to received alerts from this 
> stream, all the users receive the TEST alert, when a real  alert comes in 
> only the main admin user receives the alert.  I tail'd the log files and got 
> these errors, can anyone please weigh in?
> 
> 2014-06-16 01:32:45,465 INFO : org.graylog2.periodical.AlertScannerThread - 
> Alert condition [0c987dbf-db27-41c7-ab31-cceccae93927:MESSAGE_COUNT={time: 
> 10, threshold_type: more, threshold: 5, grace: 5}, 
> stream:={53996e47e4b0d6c5cf8beba7: "Foo Errors"}] is triggered. Sending 
> alerts.
> 2014-06-16 01:32:45,540 ERROR: org.graylog2.periodical.AlertScannerThread - 
> Stream [53996e47e4b0d6c5cf8beba7: "Foo Errors"] has alert receivers and is 
> triggered, but sending emails failed: 
> java.lang.NullPointerException
>       at 
> org.graylog2.alerts.MessageFormatter.formatForMail(MessageFormatter.java:19)
>       at 
> org.graylog2.alerts.AlertSender.buildBacklogSummary(AlertSender.java:161)
>       at org.graylog2.alerts.AlertSender.sendEmail(AlertSender.java:85)
>       at org.graylog2.alerts.AlertSender.sendEmails(AlertSender.java:184)
>       at 
> org.graylog2.periodical.AlertScannerThread.run(AlertScannerThread.java:85)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>       at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>       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:744)
> 
> 
> Mail log:
> Jun 16 01:26:45 graylog2 postfix/smtpd[30638]: connect from 
> localhost[127.0.0.1]
> Jun 16 01:26:45 graylog2 postfix/smtpd[30638]: 874EFC2EC6: 
> client=localhost[127.0.0.1]
> Jun 16 01:26:45 graylog2 postfix/cleanup[30641]: 874EFC2EC6: 
> message-id=<1750678142.43.1402882005497.javamail.grayl...@graylog2.foo.com.au>
> Jun 16 01:26:45 graylog2 postfix/qmgr[32165]: 874EFC2EC6: 
> from=<[email protected]>, size=9632, nrcpt=1 (queue active)
> Jun 16 01:26:45 graylog2 postfix/smtpd[30638]: disconnect from 
> localhost[127.0.0.1]
> Jun 16 01:26:47 graylog2 postfix/smtp[30642]: 874EFC2EC6: 
> to=<[email protected]>, relay=ASPMX.L.GOOGLE.COM[74.125.25.27]:25, delay=2.3, 
> delays=0.02/0.01/1.2/1.1, dsn=2.0.0, status=sent (250 2.0.0 OK 1402882007 
> sy3si11867009pab.158 - gsmtp)
> Jun 16 01:26:47 graylog2 postfix/qmgr[32165]: 874EFC2EC6: removed
> 
> 
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