Vadim Kisselmann created SOLR-3852:
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             Summary: Admin UI - Cloud Tree with HTTP-Status 500 and an 
ArrayIndexOutOfBoundsException when using external ZK
                 Key: SOLR-3852
                 URL: https://issues.apache.org/jira/browse/SOLR-3852
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.0-BETA
         Environment: Tomcat 6, external zookeeper-3.3.5 
            Reporter: Vadim Kisselmann


It works with embedded ZK.
But when we use an external ZK(3.3.5), and this ZK has another nodes like 
(hbase, broker, etc. and child-nodes with not specified formats) we get this 
Error in Admin UI in the "Cloud-Tree" View: Loading of undefined failed with 
HTTP-Status 500 .
Important(!): The cluster still works. Our external ZK see the Solr Servers 
(live-nodes) and has the solr config files from initial import. All the nodes 
like collections, configs, overseer-elect are here.
Only the Admin UI has a problem to show the "Cloud-Tree". Cloud-Graph works!

Catalina-LogFiles are free from Error messages, i have only this stack trace 
from Firebug:

<html><head><title>Apache Tomcat/6.0.28 - Error report</title><style><!--H1 
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;}
 H2 
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;}
 H3 
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;}
 BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} 
B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P 
{font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A
 {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> 
</head><body><h1>HTTP Status 500 - </h1><HR size="1" 
noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> 
<u></u></p><p><b>description</b> <u>The server encountered an internal error () 
that prevented it from fulfilling this request.</u></p><p><b>exception</b> 
<pre>java.lang.ArrayIndexOutOfBoundsException
</pre></p><p><b>note</b> <u>The full stack trace of the root cause is available 
in the Apache Tomcat/6.0.28 logs.</u></p><HR size="1" 
noshade="noshade"><h3>Apache Tomcat/6.0.28</h3></body></html>

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