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https://issues.apache.org/jira/browse/SOLR-4507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588301#comment-13588301
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Alfonso Presa edited comment on SOLR-4507 at 2/27/13 2:10 PM:
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Doesn't seem that neither /solr/admin/system nor /solr/admin/cores provide any
information about the Solr cloud is active when not using the -DzkHost command
line argument :-(.
After doing some researching, may be the easiest way to solve this issue could
be calling to http://host:port/solr/zookeeper service and checking if response
does contain a tree element, if so the #cloud element of the menu should be
displayed.
was (Author: alfonso.presa):
Doesn't seem that either /solr/admin/system nor /solr/admin/cores provide
any information about the Solr cloud is active when not using the -DzkHost
command line argument :-(.
After doing some researching, may be the easiest way to solve this issue could
be calling to http://host:port/solr/zookeeper service and checking if response
does contain a tree element, if so the #cloud element of the menu should be
displayed.
> Cloud option not showing in admin UI when not using -DzkHost command line
> option
> --------------------------------------------------------------------------------
>
> Key: SOLR-4507
> URL: https://issues.apache.org/jira/browse/SOLR-4507
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.1
> Environment: Linux
> Reporter: Alfonso Presa
> Priority: Minor
>
> I've found out that in Solr 4.1, when using the zkHost attribute of the solr
> tag in solr.xml, instead of the -DzkHost command line option, SolrCloud works
> perfectly but the cloud option in the admin UI doesn't appear.
> Bug seems to be on app.js file in lines 316-322 in Solr 4.1 (406-412 in
> current trunk) when the UI tries to guess if SolrCloud is enabled. Not sure
> about the correct way of detecting if cloud is active but the current
> implementation is inconsistent with the funtionality available in solr.xml to
> provide the list of zkHosts.
> Afected snippet from app.js:
> {quote}
> if( response.jvm && response.jvm.jmx && response.jvm.jmx.commandLineArgs )
> {
> var command_line_args = response.jvm.jmx.commandLineArgs.join( ' | ' );
> environment_args = command_line_args.match(
> /-Dsolr.environment=((dev|test|prod)?[\w\d]*)/i );
> cloud_args = command_line_args.match( /-Dzk/i );
> }
> {quote}
> *How to reproduce*
> In a Solr ensemble using zookeeper, start up a node specifing the list of
> hosts in the zkHost attribute of the solr tag of solr.xml file and do not
> provide the -DzkHost atribute.
> *Result*
> The cloud option is not available on the admin UI for that node. Though the
> node is registered correctly as client in the zk ensemble and is working as
> expected. In fact if you directly access the 'htt://host:port/solr/#/~cloud'
> url the cloud info is shown, but the option is still hidden.
> *Excepted result*
> When accesing the solr admin UI of the node the cloud menu option should be
> visible.
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