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https://issues.apache.org/jira/browse/OOZIE-1223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13920327#comment-13920327
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purshotam shah commented on OOZIE-1223:
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Thanks [~ rkanter] and [~eafonsof] for filing this.
Few of our users has complained about it. Though there is workaround (clearing
cookies), it's annoying.
> too many extjs cookies can cause the web UI to stop responding
> --------------------------------------------------------------
>
> Key: OOZIE-1223
> URL: https://issues.apache.org/jira/browse/OOZIE-1223
> Project: Oozie
> Issue Type: Bug
> Reporter: Robert Kanter
> Assignee: purshotam shah
> Fix For: trunk
>
> Attachments: OOZIE-1223.patch
>
>
> From [this thread on the mailing
> list|http://mail-archives.apache.org/mod_mbox/oozie-user/201302.mbox/%3c1360772595.5719.yahoomail...@web125605.mail.ne1.yahoo.com%3e],
> a user wrote this:
> {quote}
> I'm sure somebody else experience this problem as well and you may have a
> solution.
> As you click around the Oozie Web Console to visualize coordinators,
> workflows, actions, etc, after a while the web console stops responding, i.e.
> it does not process your requests anymore.
> It appears to be a glitch related to cookies. I don't know if there's any
> setting one could do related to that to avoid the problem.
> Whenever the problem happen, if you clear cookies created by the oozie server
> the problem goes away.
> This is annoying and I'm so tired of clearing cookies multiple times during
> the day as I use the web console a lot.
> So, does anybody have a solution for this?
> {quote}
> I believe this has to do with extjs creating too many cookies:
> {quote}
> I've noticed that we get a bunch of cookies named "ys-ext-comp-####" where
> #### is some number. I think these are storing the width, height, etc of the
> "windows" that the web UI uses. I'm not sure what causes new cookies to be
> written, but if its saving one cookie for each window that you open and you
> open a lot of windows, you could easily get too many cookies for the
> browser/server to handle. These cookies might also explain why sometimes
> when you open a window, the UI components are stretched (e.g. a text box
> that's normally a single line is showing up as 20 lines). I think this page
> is talking about these problems with the cookies:
> http://www.jasonclawson.com/2008/05/20/ext-21-state-managment-issues-dont-use-it/
> I don't think we really need to remember the sizes of the windows, so it
> would be best if we found a way to simply disable those cookies.
> {quote}
> tldr; we should stop extjs from creating cookies for storing the
> position/state of the windows or other UI components.
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