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1.Configure sample ambari alert using Ambari UI.

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2.Login to ambari webui using [admin/admin]

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3.Click on "Alerts"

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4.Click "Action"-> "Manage Notification"

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5.Add sample alert for service

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6. In above example you can use Gmail username and password to test connection.

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7. After adding sample alert close the screen.

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8.From the ambari ui now stop one of the zookeeper service

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9.You should be able to see alert indication in ambari ui for the zookeeper service stopped

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10. Same time if you tail for ambari-alerts.log you will be able to see "Connection Failed" log messages for zookeeper service.

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2016-05-27 14:57:31,541 [CRITICAL] [ZOOKEEPER] [zookeeper_server_process] (ZooKeeper Server Process) Connection failed: [Errno 111] Connection refused to node1.example.com:2181

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11. Check your email and make sure you receive the alert.

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12. If you don’t see alerts the enable debugging for Alerts in ambari log4j.properties as shown below.

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13. Login to ambari server cli using superuser credentials [eg. root]

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vi /etc/ambari-server/conf/log4j.properties 

Modify
- log4j.logger.alerts=INFO,alerts to log4j.logger.alerts=DEBUG,alerts

Add below line to Alerts section -

log4j.logger.org.apache.ambari.server.notifications.dispatchers=DEBUG,alerts

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14. Save the file and restart ambari server service.

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15. Try to stop zookeeper on any one of the node and check for the ambari-server.log and amabri-alerts.log.

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16. You should be able to see the alert logs sent on email via smtp settings you did.

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17. If there are any smtp errors you will see those in "/var/log/ambari-server/ambari-server.log"

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Super Guru

Good stuff @Sagar Shimpi :)

New Contributor

i did same thing on HDP2.5 but still showing below error

534-5.7.14 IvciS8yws8APKDFHijkrFoJ92wCiJPAO_hwu5n84JrRGIqSyumJ05MoXUq94ogjYKFwfS5 534-5.7.14 iP5EQUiY-JheLLz82D33Qp2yF8wuQkoQ6BAwjeCpThA9GoTte7WBFbZnRByREw7MnpQ3Am 534-5.7.14 qRMD4_bLAgQqiJIzCgxU1ppqCt9qc> Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 e8sm22695829pga.72 - gsmtp at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:892) at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:814) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:728) at javax.mail.Service.connect(Service.java:386) at javax.mail.Service.connect(Service.java:245) at javax.mail.Service.connect(Service.java:194) at javax.mail.Transport.send0(Transport.java:253) at javax.mail.Transport.send(Transport.java:124) at org.apache.ambari.server.notifications.dispatchers.EmailDispatcher.dispatch(EmailDispatcher.java:160) at org.apache.ambari.server.notifications.DispatchRunnable.run(DispatchRunnable.java:58) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)

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Last update:
‎08-17-2019 11:58 AM
Updated by:
 
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