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Thread: Extjs 6.2 : Error on tooltip target destroy

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  1. #1
    Sencha Premium Member
    Join Date
    Feb 2015

    Default Extjs 6.2 : Error on tooltip target destroy


    I'am using ExtJs 6.2,

    I'm using a tooltip on a container, all goes well until I destroy the container the following error occurs.

    You can reproduce the error with the following fiddle :

    So on beforedestroy of the container a function should be added to unregister the tooltip.

    I think it's a bug, because all was working well before the upgrade from Extjs 6.0.1 to 6.2

    Thank you !

  2. #2
    Sencha Premium User mitchellsimoens's Avatar
    Join Date
    Mar 2007
    Gainesville, FL


    You are correct that this is a bug and one that has already been fixed. Tested in last night's nightly and no error occurs.
    Mitchell Simoens @LikelyMitch

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    Posts are my own, not any current, past or future employer's.

  3. #3
    Sencha Premium Member
    Join Date
    Feb 2015


    I'm using the nightly of October 9, 2016 and still getting the errors ..

  4. #4
    Sencha Premium User evant's Avatar
    Join Date
    Apr 2007
    Sydney, Australia


    Ulitmately, in older versions it was merely masking the fact that there was a leaking target left in the tip manager.

    In that sense I don't really think it's a bug, it would be more appropriate to unregister the tip on destruction. We could add a warning if it finds a target that it can't access, but I don't think we should "fix" the issue because it isn't best practice to be doing that.
    Twitter - @evantrimboli
    Former Sencha framework engineer, available for consulting.
    As of 2017-09-22 I am not employed by Sencha, all subsequent posts are my own and do not represent Sencha in any way.

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