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  1. JDK
  2. JDK-8266539

[TreeView]: Change.getRemoved() contains null item when deselecting a TreeItem

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      Description

      When deselecting a TreeItem, the Change.getRemoved() contains a null entry. Instead it should contain only the item that was deselected.

      Steps:
      1. Run the attached test program
      2. Select child item of root
      3.Ctrl/Command click the same item to deselect it
      -> Observe the NPE that occurs because Change.getRemoved() contains a null entry

      The issue was also discussed in the review of JDK-8189354 at PR#480.
      The PR#480 had a change in MultipleModelSelectionModelBase.java that could fix this issue but it was reverted to limit the scope PR#480
      The reverted commit: https://github.com/openjdk/jfx/pull/480/commits/923f8d74039780065b02ac23d605cc010fde43b3

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              Assignee:
              mstrauss Michael Strauß
              Reporter:
              arapte Ambarish Rapte
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