<Swing Dev> RFR: 5015261: JInternalFrame causes NPE

[Prasanta Sadhukhan]

On Wed, 4 Aug 2021 09:02:25 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> JInternalFrame.getDesktopIcon() can be null as setDesktopIcon() can be called with null value. There are many places in JInternalFrame where getDesktopIcon() is accessed without null check which might cause NPE. 
> Added null check for those cases.

Will just stating null icon is unsupported do? I think in that case should we throw IAE?

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PR: https://git.openjdk.java.net/jdk/pull/4989