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Thread: 6.5.2 Removing an item from Ext.carousel.Carousel throws exception

    You found a bug! We've classified it as EXTJS-27600 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1
    Sencha Premium Member
    Join Date
    Aug 2012

    Default 6.5.2 Removing an item from Ext.carousel.Carousel throws exception

    6.5.2 Modern

    Removing an item from Ext.carousel.Carousel throws uncaught null pointer exception.

    Uncaught TypeError: Cannot set property 'ownerCmp' of null
    at constructor.applyComponent (VM255 ext-modern-all-debug.js:96987)
    at constructor.setter [as setComponent] (VM255 ext-modern-all-debug.js:7268)
    at constructor.onItemRemove (VM255 ext-modern-all-debug.js:101618)
    at constructor.doRemove (VM255 ext-modern-all-debug.js:59233)
    at VM255 ext-modern-all-debug.js:14074
    at (VM255 ext-modern-all-debug.js:13890)
    at constructor.doFireEvent (VM255 ext-modern-all-debug.js:14600)
    at constructor.doFireEvent (VM255 ext-modern-all-debug.js:32588)
    at constructor.prototype.doFireEvent (VM255 ext-modern-all-debug.js:40578)
    at constructor.fireEventArgs (VM255 ext-modern-all-debug.js:14506)

    I put an override on Ext.Decorator that checks the 'result' for null before referencing it and this fixed it, but I'm not sure if the null getting in here is the result of a bug upstream from this code.

        applyComponent: function(config) {
            var result = Ext.factory(config);
            if (result) {
                result.ownerCmp = this;
            return result;

  2. #2


    This fix also works in version 6.6.0.

    Thank you jholloway7

  3. #3
    Ext Support Team
    Join Date
    Jan 2018


    Hello, hope you are doing well.

    Thank you for bringing this to our notice., I will register this in our bug tracker. The reference number will be attached here for you to track the progress of the issue.

    Sencha Support.

  4. #4
    Sencha Staff
    Join Date
    Sep 2017


    Thanks for the report! I have opened a bug in our bug tracker.

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