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Thread: 6.5.3 Classic Grid BufferedStore + filter leads to PageMap getRange error

    You found a bug! We've classified it as EXTJS-27617 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1
    Ext JS Premium Member
    Join Date
    Jun 2008
    Bucks County, PA

    Exclamation 6.5.3 Classic Grid BufferedStore + filter leads to PageMap getRange error

    (this is a copy from my internal Support request #45297)

    Similar to this open bug in Ext 6 Modern:

    But we're using Ext 6 and Classic. The same PageMap override resolves it for us. You should consider adding this to Core for a complete fix.


    • Grid with no paging - a bufferedstore that yields infinite scrolling.
    • Initial load of data is fine. Prefetch is fine.
    • A search or column filter is attempted which remotely loads matching records. When there is just 1 "page" of matching records, the prefetch by Ext fails with an error in PageMap getAt() > getRange().

    Part 2: it appears bufferedRenderer:true is required to use BufferedStore. If false, I see a slightly different PageMap hasRange():285 error on initial load (before filtering/prefetch). Would be nice to improve this to force bufferedRenderer or make it work when false.
    When I apply the override and use false it still fails but differently. The grid renders nothing. No error and the remote data requests are fine.

  2. #2
    Sencha - Forum Administrator
    Join Date
    Sep 2017


    Thank you for bringing this to our attention. I will send this over to support and we will be in touch at our earliest convenience.



  3. #3
    Sencha Staff
    Join Date
    Sep 2017


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

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