> 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
Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision: Review fix for test ------------- Changes: - all: https://git.openjdk.org/jdk/pull/15507/files - new: https://git.openjdk.org/jdk/pull/15507/files/a8df4717..267a4787 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=15507&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15507&range=00-01 Stats: 28 lines in 2 files changed: 7 ins; 17 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/15507.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15507/head:pull/15507 PR: https://git.openjdk.org/jdk/pull/15507
