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https://issues.apache.org/jira/browse/SOLR-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Matheis (steffkes) resolved SOLR-4526.
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Resolution: Fixed
Fix Version/s: 5.0
4.2
> Admin UI depends on optional system info
> ----------------------------------------
>
> Key: SOLR-4526
> URL: https://issues.apache.org/jira/browse/SOLR-4526
> Project: Solr
> Issue Type: Bug
> Components: web gui
> Affects Versions: 4.1
> Environment: Oracle Corporation OpenJDK 64-Bit Server VM (1.7.0_15
> 23.7-b01)
> Reporter: Shawn Heisey
> Assignee: Stefan Matheis (steffkes)
> Fix For: 4.2, 5.0
>
> Attachments: built-in-jetty8.png, SOLR-4526.patch, ubuntu-jetty6.png
>
>
> A user on IRC was having trouble getting file descriptor counts and JVM
> memory usage in the admin UI, but it worked perfectly fine on another system.
> The problem system uses OpenJDK, the other one uses the Apple JDK. The user
> had tracked it down to an exception while trying to get open file descriptor
> info.
> Looking in the SystemInfoHandler.java file, I see a comment reference to
> com.sun.management.UnixOperatingSystemMXBean at the point where it is getting
> file descriptor info. A little extra searching turned up ZOOKEEPER-1579
> which refers to HBASE-6945, the same problem with OpenJDK.
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