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https://issues.apache.org/jira/browse/SOLR-3852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13719193#comment-13719193
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Shikhar Bhushan commented on SOLR-3852:
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We've run into this. Was an ArrayIndexOutOfBoundsException arising out of:
https://github.com/apache/lucene-solr/blob/4ce168a/solr/core/src/java/org/apache/solr/servlet/ZookeeperInfoServlet.java#L303
We have some znodes storing binary data but that bit above assumes that if a
znode has data, it'll be a UTF-8 encoded string.
That block doesn't actually do anything post-decode, so maybe it should just be
removed.
> 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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