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From "DKN (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CHUKWA-587) The logic to load the front page of hicc appears to be broken
Date Thu, 09 Jun 2011 04:44:58 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046338#comment-13046338
] 

DKN commented on CHUKWA-587:
----------------------------

Hi Eric, It doesn't appear to be a problem with the session, as it appears the first time
I login. Even if I close all browsers and freshly open a session, this index page is not loaded.
It gives the feeling to the end user that nothing is working .. hence is an important defect
to fix.

With HBase providing search facility with Solr, the strategic direction that chukwa is taking
looks promising.

Cheers, DKN

> The logic to load the front page of hicc appears to be broken
> -------------------------------------------------------------
>
>                 Key: CHUKWA-587
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-587
>             Project: Chukwa
>          Issue Type: Bug
>          Components: User Interface
>    Affects Versions: 0.5.0
>         Environment: A stand alone server with all components
>            Reporter: DKN
>             Fix For: 0.5.0
>
>
> I get the following error, in spite of running hicc, collector, agents etc continuously
for more than 5 days.
> This appears only when I access : http://localhost:4080/hicc URL. Note that the URL :
http://localhost:4080/hicc/jsp/graph_explorer.jsp appears to work okay for me. 
> HTTP ERROR: 500
> INTERNAL_SERVER_ERROR
> RequestURI=/hicc/
> Caused by:
> java.util.NoSuchElementException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:796)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:828)
> 	at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:100)
> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:93)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
> 	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:470)
> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:364)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> 	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:285)
> 	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
> 	at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:463)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> 	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
> 	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> 	at org.mortbay.jetty.Server.handle(Server.java:324)
> 	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> 	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
> 	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
> 	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> 	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> 	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
> 	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
> We will need to give a consistent behavior for the front page, so that we don't end up
giving an opinion that HICC is not working. There may be a change required in the way, chukwa
hicc loads the front index.jsp by reading the hbase tables.
> Regards, DKN

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