Looks like we can't reproduce the issue or there's a problem in the test case provided.
  1. #1
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    Default ExtJs Project issue: Uncaught TypeError: Cannot call method 'on' of undefined

    ExtJs Project issue: Uncaught TypeError: Cannot call method 'on' of undefined


    REQUIRED INFORMATION

    Ext version tested:
    • Ext 4.02a
    Browser versions tested against:
    • Google Chrome 17.0.963.46 m
    Description:
    • Building a simple app with 2 grid panels with each one reference to a different store that reads json data.
    Steps to reproduce the problem:
    • The description should suffice.
    The result that was expected:
    • Should show the 2 grid panels with the data got loaded
    The result that occurs instead:
    • Uncaught TypeError: Cannot call method 'on' of undefined for this line item.on(ename, fn, scope, options); inside addManagedListener function.
    Operating System:
    • Win XP Professional Version 2002 SP3

  2. #2
    Sencha - Architect Dev Team aconran's Avatar
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    The description does not suffice. Could you please provide us a sample project?
    Aaron Conran
    @aconran
    Sencha Architect Development Team

  3. #3
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    Well... I think it's something that I did on my end.
    I just created a completely brand new Ext js project to see whether I will get this error but it actually works fine.

    No worries.

  4. #4
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    Great. THat error sounds like you were trying to setup an event listener before the thing you were trying to set it up on was created.
    Aaron Conran
    @aconran
    Sencha Architect Development Team

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