Pradeep Bhadani created AMBARI-13736: ----------------------------------------
Summary: Ambari cannot dispatch SNMP trap on default alerts .Throws NullPointer exception for default alerts Key: AMBARI-13736 URL: https://issues.apache.org/jira/browse/AMBARI-13736 Project: Ambari Issue Type: Bug Affects Versions: 2.1.1, 2.1.2 Reporter: Pradeep Bhadani I am trying to use HDFS and YARN notification group (from default provided) to send SNMP trap. I am getting following error : 05 Nov 2015 11:38:31,244 INFO [AlertNoticeDispatchService] AlertNoticeDispatchService:279 - There are 1 pending alert notices about to be dispatched... 05 Nov 2015 11:38:31,248 INFO [alert-dispatch-2] SNMPDispatcher:116 - Sending SNMP trap: [OK] Secondary NameNode Process 05 Nov 2015 11:38:31,256 ERROR [alert-dispatch-2] SNMPDispatcher:126 - Error occurred during SNMP trap dispatching. java.lang.NullPointerException at org.snmp4j.security.AuthGeneric.passwordToKey(AuthGeneric.java:205) at org.snmp4j.security.SecurityProtocols.passwordToKey(SecurityProtocols.java:269) at org.snmp4j.security.USM.getUser(USM.java:261) at org.snmp4j.security.USM.generateResponseMessage(USM.java:355) at org.snmp4j.security.USM.generateRequestMessage(USM.java:215) at org.snmp4j.mp.MPv3.prepareOutgoingMessage(MPv3.java:767) at org.snmp4j.MessageDispatcherImpl.sendPdu(MessageDispatcherImpl.java:437) at org.snmp4j.Snmp.sendMessage(Snmp.java:1051) at org.snmp4j.Snmp.send(Snmp.java:875) at org.snmp4j.Snmp.send(Snmp.java:868) at org.snmp4j.Snmp.send(Snmp.java:833) at org.apache.ambari.server.notifications.dispatchers.SNMPDispatcher.sendTraps(SNMPDispatcher.java:203) at org.apache.ambari.server.notifications.dispatchers.SNMPDispatcher.dispatch(SNMPDispatcher.java:120) at org.apache.ambari.server.notifications.DispatchRunnable.run(DispatchRunnable.java:58) 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) -- This message was sent by Atlassian JIRA (v6.3.4#6332)