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Posted to dev@lucene.apache.org by "Felix Buenemann (JIRA)" <ji...@apache.org> on 2013/03/05 12:35:12 UTC
[jira] [Comment Edited] (SOLR-4526) Admin UI dependence on
UnixOperationSystemMXBean
[ https://issues.apache.org/jira/browse/SOLR-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13593338#comment-13593338 ]
Felix Buenemann edited comment on SOLR-4526 at 3/5/13 11:34 AM:
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The attached patch against trunk makes the dashboard js code less reliant on provided system and jvm data by checking for their existance. It also improves the matching of load average among operating systems (should now work with Linux, Mac OS X, *BSD, Irix, etc.)
The patch should also apply cleanly against 4.1.0 with minor offset.
was (Author: felixbuenemann):
The attached patch makes the dashboard js code less reliant on provided system and jvm data by checking for their existance. It also improves the matching of load average among operating systems (should now work with Linux, Mac OS X, *BSD, Irix, etc.)
> 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, 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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