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  1. #1
    Join Date
    Apr 2010
    Location
    Nottingham, PA
    Posts
    55

    Default [SOLVED] IE 7 Error - 'sessionStorage' is undefined

    I'm getting the following script error when I try to access Valence 3.0 in IE 7:

    Line: 523
    Char: 3
    Error: 'sessionStorage' is undefined
    Code: 0
    URL: http://xxx.xx.xx.xxxx:7030/valence/v...isplay=desktop

    I'm testing this on a Citrix terminal server that runs IE 7. No problems running Valence 2.2 in this environment.

    Valence 3.0 runs on my desktop install of IE 9 with no problems. I don't have an IE 8 client to test with.

    Is IE 7 not supported with Valence 3.0?

  2. #2

    Default

    IE7 is not supported because it does not support sessionStorage. Valence uses this HTML5 feature to store your secure session information and IE did not start supporting this until IE8. Generally speaking, CNX only supports and tests with the latest versions of IE, Firefox, Chrome and Safari. We still do support IE8 (even though IE9 is available) because IE8 is the highest version you can use on Windows XP, which is still very prevalent.
    Richard
    CNX Development Team
    richard.milone@cnxcorp.com

  3. #3
    Join Date
    Apr 2010
    Location
    Nottingham, PA
    Posts
    55

    Default

    Thanks Richard.

    Any chance you have a list of the minimum browser requirements for Valence 3.0? You mentioned the "latest versions" but I'd like to provide users with a comprehensive list to ensure their success when utilizing 3.0 applications...assuming my code is bug free, of course :)

  4. #4
    Join Date
    Apr 2010
    Location
    Nottingham, PA
    Posts
    55

    Question ??

    Is it possible to get a list of the minimum browser requirements for Valence 3.0?

  5. #5
    Join Date
    Jun 2008
    Location
    Chicago, IL USA
    Posts
    476

    Default

    Generally speaking, it's the front-end Ext JS 4 components that dictate the browser requirements for Valence. According to Sencha's Ext JS product page, all major web browsers are supported, including:

    • Internet Explorer 6+
    • Firefox 3.6+ (PC, Mac)
    • Safari 3+
    • Chrome 6+
    • Opera 10.5+ (PC, Mac)


    That said, there are nuances to some older versions of these browsers (IE 6 in particular) that can cause certain Valence Portal components and plug-ins to either not work or render in strange ways, and sometimes perform poorly. Your best bet is to use the latest versions of these browsers whenever possible, thereby allowing Ext JS to exploit the latest HTML5 standards. Our personal preference is Google Chrome, as in our tests we tend to see the best Ajax performance there.

  6. #6
    Join Date
    Jun 2008
    Location
    Chicago, IL USA
    Posts
    476

    Default

    As an addendum to this topic, there are back-end IBM i requirements to consider as well. See the "System Requirements" section in the Valence Version History page.

  7. #7
    Join Date
    Apr 2010
    Location
    Nottingham, PA
    Posts
    55

    Default

    Thanks Robert. My problem is that I have no control or knowledge of which browsers that our external users (external to our company, that is) will be using and, as such, would like to be able to provide them with the minimum browser requirements for using our Valence 3.0 applications. Sencha's list mentions IE6 but I've discovered that Valence 3.0 doesn't even work in IE7. If my only option is to advise them to use the latest version of their browser (whether it be IE, FF, Chrome, Safari, or Opera) then I guess that's what I'll have to do.

  8. #8

    Default

    You would probably be best just stating your system requirements as something similar to what CNX states in the system requirements section of the release notes for Valence 3.0:

    "A compatible browser on client computers. CNX now recommends Google Chrome for the best development and user experience. This version of Valence should work in newer versions of Google Chrome, Firefox, Safari and Internet Explorer as well as WebKit-based mobile device browsers like those on iPhone, iPad and Android."
    Richard
    CNX Development Team
    richard.milone@cnxcorp.com

  9. #9

    Default

    I thought it might be relevant to this thread to point out that Facebook and Google have been phasing out support for IE7 too. The browser just doesn't have the technical features to run advanced applications effectively. See:

    http://www.computerworld.com/s/artic...icrosoft_s_IE7

    http://www.zdnet.com/blog/facebook/f...xplorer-7/6729
    Richard
    CNX Development Team
    richard.milone@cnxcorp.com

  10. #10
    Join Date
    Apr 2010
    Location
    Nottingham, PA
    Posts
    55

    Default

    Will do... thanks Richard and Robert!!

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