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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2013/03/04 22:07:15 UTC
[jira] [Assigned] (SOLR-4526) Admin UI dependence on
UnixOperationSystemMXBean
[ https://issues.apache.org/jira/browse/SOLR-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man reassigned SOLR-4526:
------------------------------
Assignee: Stefan Matheis (steffkes)
Felix: can you confirm no errors in the server logs, just javacsript was having problems from the null keys?
asigning to steffkes in the hopes that he can take a look -- but based on the screen shot i'm not really sure what if anything it could do better in a situation like this -- if the values aren't available from the JVM, showing "blank" bar sharts seems as good an option as any ... i guess maybe labeling them with "?" could be a little better though.
> Admin UI dependence on UnixOperationSystemMXBean
> ------------------------------------------------
>
> 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)
> Attachments: built-in-jetty8.png, 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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