On Thu, 31 Aug 2023 08:02:35 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> wrote:
> After the first time a JTableHeader is serialized, it no longer will > uninstall its UI upon subsequent serializations. > This happens for classes that use the BasicTableHeaderUI class. Any LAF that > extends the BasicTableHeaderUI like SynthTableHeaderUI and > WindowsTableHeaderUI will get an NotSerializableException thrown > > Each time an JComponent instance is Serialized, a [counter > ](https://github.com/openjdk/jdk/blob/218829e0a2a3ae5599b81733df53557966392033/src/java.desktop/share/classes/javax/swing/JComponent.java#L5644-L5645) > for the instance is incremented. It is de-incremented in JComponent's > writeObject or a class that implements it the same way, like JButton, > JScrollPane etc.. > With JTableHeader it does not deincrement the counter. The uninstall > mechanism will not uninstall a UI if the counter is not 0 on the first > pass..It is not possible to call JComponent.setWriteObjectCounter in > JTableHeader as it is not in the same package so the fix is to remove the > writeObject implementation and rely on JComponent writeObject implementation > to make sure uninstallation of UI happens and also NotSerializableException > does not happen for Synth This pull request has now been integrated. Changeset: 83806abe Author: Prasanta Sadhukhan <psadhuk...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/83806abe440809aaea47337646de96a97080724a Stats: 81 lines in 2 files changed: 67 ins; 13 del; 1 mod 6450193: After the first Serialization, JTableHeader does not uninstall its UI Reviewed-by: aivanov ------------- PR: https://git.openjdk.org/jdk/pull/15507
