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Posted to notifications@accumulo.apache.org by GitBox <gi...@apache.org> on 2020/04/14 21:25:56 UTC

[GitHub] [accumulo] karthick-rn opened a new issue #1587: Warning message during start/stop of Accumulo master

karthick-rn opened a new issue #1587: Warning message during start/stop of Accumulo master
URL: https://github.com/apache/accumulo/issues/1587
 
 
   During start/stop of Accumulo master, a warning message appears on the console as highlighted below. I have already updated this warning message during discussion on #1578 and like I mentioned creating this issue to check if anyone else seen this? May be something that #1586 is uncovering. Operational wise I tested accessing the ashell and tried inserting rows into the new table  - all works fine & don't see any odd behaviours. Let me know if you have any further thoughts or pointers on what might be causing this? Thanks
   
   <pre>
   [knarendran@kn-snap-0 ~]$ accumulo-service master start
   Starting master on kn-snap-0
   OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
   SLF4J: Class path contains multiple SLF4J bindings.
   SLF4J: Found binding in [jar:file:/opt/muchos/install/accumulo-2.1.0-SNAPSHOT/lib/log4j-slf4j-impl-2.13.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
   SLF4J: Found binding in [jar:file:/opt/muchos/install/apache-zookeeper-3.5.7-bin/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
   SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
   SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
   2020-04-13T21:36:29,859 [conf.SiteConfiguration] INFO : Found Accumulo configuration on classpath at /opt/muchos/install/accumulo-2.1.0-SNAPSHOT/conf/accumulo.properties
   2020-04-13T21:36:32,121 [server.ServerUtil] INFO : Attempting to talk to zookeeper
   2020-04-13T21:36:32,637 [server.ServerUtil] INFO : ZooKeeper connected and initialized, attempting to talk to HDFS
   2020-04-13T21:36:32,655 [server.ServerUtil] INFO : Connected to HDFS
   <b>2020-04-13T21:36:32,691 [zookeeper.ZooCache] WARN : Unhandled: WatchedEvent state:Closed type:None path:null</b>
   </pre>

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[GitHub] [accumulo] karthick-rn commented on issue #1587: Warning message during start/stop of Accumulo master

Posted by GitBox <gi...@apache.org>.

karthick-rn commented on issue #1587: Warning message during start/stop of Accumulo master
URL: https://github.com/apache/accumulo/issues/1587#issuecomment-614141520
 
 
   @ctubbsii Thanks for the update. I'll keep this as a low priority issue and work on it. You can assign it to me. 

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[GitHub] [accumulo] ctubbsii commented on issue #1587: Warning message during start/stop of Accumulo master

Posted by GitBox <gi...@apache.org>.

ctubbsii commented on issue #1587: Warning message during start/stop of Accumulo master
URL: https://github.com/apache/accumulo/issues/1587#issuecomment-613760791
 
 
   This is a new ZooKeeper client-side generated event added as part of https://issues.apache.org/jira/browse/ZOOKEEPER-2368 (apache/zookeeper#529), added in ZK 3.5.5 and 3.6.0.
   
   Our code has not been updated to recognize it yet, but I think it's probably safe to ignore. It would be good for us to update our watchers to handle this explicitly, though.

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