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From "Dmytro Grinenko (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (AMBARI-25609) sysUpTime field is populated with invalid value during SNMP trap creation
Date Wed, 13 Jan 2021 12:20:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-25609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmytro Grinenko resolved AMBARI-25609.
--------------------------------------
    Resolution: Fixed

> sysUpTime field is populated with invalid value during SNMP trap creation
> -------------------------------------------------------------------------
>
>                 Key: AMBARI-25609
>                 URL: https://issues.apache.org/jira/browse/AMBARI-25609
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.7.5
>            Reporter: Dmytro Vitiuk
>            Priority: Major
>             Fix For: 2.7.6
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Ambari tries to set milliseconds to the "sysUpTime" field:
> [https://github.com/apache/ambari/blob/8e35277c24cc0ffd897c1dc727b2cc528cb8148b/ambari-server/src/main/java/org/apache/ambari/server/notifications/dispatchers/AmbariSNMPDispatcher.java#L120]
> but this field accepts hundreds of milliseconds:
> {noformat}
> The time (in hundredths of a second) since the network
>             management portion of the system was last re-initialized.
> {noformat}
> ([https://tools.ietf.org/html/rfc1907#section-2.1])
> So after about 50-days in up-time an ambari server is not able to populate "sysUpTime"
with a correct value (the max value the field is able to accept is "4294967295" - it is about
50 days in milliseconds).
>  Exception in ambari-server.log:
> {noformat}
> java.lang.IllegalArgumentException: Argument must be an unsigned 32bit value
> 	at org.snmp4j.smi.UnsignedInteger32.setValue(UnsignedInteger32.java:144)
> 	at org.snmp4j.smi.UnsignedInteger32.<init>(UnsignedInteger32.java:53)
> 	at org.snmp4j.smi.TimeTicks.<init>(TimeTicks.java:58)
> 	at org.apache.ambari.server.notifications.dispatchers.AmbariSNMPDispatcher.prepareTrap(AmbariSNMPDispatcher.java:120)
> 	at org.apache.ambari.server.notifications.dispatchers.SNMPDispatcher.sendTraps(SNMPDispatcher.java:244)
> 	at org.apache.ambari.server.notifications.dispatchers.SNMPDispatcher.dispatch(SNMPDispatcher.java:157)
> 	at org.apache.ambari.server.notifications.DispatchRunnable.run(DispatchRunnable.java:58)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at java.lang.Thread.run(Thread.java:748)
> {noformat}



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