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https://issues.apache.org/jira/browse/CHUKWA-654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13428790#comment-13428790
]
Hudson commented on CHUKWA-654:
-------------------------------
Integrated in Chukwa-trunk #456 (See
[https://builds.apache.org/job/Chukwa-trunk/456/])
CHUKWA-654. Added additional check for getting row key. (Saisai Shao via
Eric Yang) (Revision 1369518)
Result = SUCCESS
eyang : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1369518
Files :
* /incubator/chukwa/trunk/CHANGES.txt
*
/incubator/chukwa/trunk/src/main/java/org/apache/hadoop/chukwa/hicc/rest/MetricsController.java
> HICC session hosts bug
> ----------------------
>
> Key: CHUKWA-654
> URL: https://issues.apache.org/jira/browse/CHUKWA-654
> Project: Chukwa
> Issue Type: Bug
> Components: User Interface
> Affects Versions: 0.6.0
> Environment: RHEL5 Hadoop 1.0.3 Hbase0.94.0
> Reporter: Saisai Shao
> Assignee: Saisai Shao
> Fix For: 0.6.0
>
> Attachments: CHUKWA-654.patch
>
>
> when using Host Selector widget to select one host, like "localhost", in
> workspace.js code save_host() function
> for(var i=0;i< obj.options.length;i++) {
> if(obj.options[i].selected) {
> if(i!=0) {
> cookie = cookie + "," + obj.options[i].value;
> } else {
> cookie = obj.options[i].value;
> }
> }
> }
> var myAjax=new Ajax.Request(
> "/hicc/jsp/session.jsp",
> {
> asynchronous: false,
> method: 'post',
> parameters: "hosts="+cookie
> }
> );
> this code will rise a ajax request to set hosts in session, but the hosts
> variable in session will be set like ",localhost", a additional comma will be
> added even there is only one host selected. I think this bug is introduced by
> above code.
> And this will cause MetricsController.java getSeriesBySessionAttribute()
> function
> String[] rkeys = (session.getAttribute(skey).toString()).split(",");
> to split this hosts variable to a zero length string, like string "" and
> string "localhost", using this string "" to get data in HBase which will
> retrieve no data.
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