Inductive Automation Forum

WindowsTableHeaderUI error on client 7.9.3

General Discussion

PGriffith February 11, 2022, 6:49pm 2

Are you sure the version of Java (being used by Ignition) is the same?

Some projects not working on PI Ignition

I tried a few different examples I found to get ignition on a Pi 4, and I can get most of it to work. However I have some projects that have a popup and won’t load. There is a popup “Unable to pen window XXXXX” with these details… SerializationException: Error deserializing element “<c” caused by NoClassDefFoundError: com/sun/java/swing/plaf/windows/WindowsTableHeaderUI caused by ClassNotFoundException: com.sun.java.swing.plaf.windows.WindowsTableHeaderUI Ignition v7.9.14 (b2020042813) J…

[BUG-14674] Raspberry Pi Serialization Problems on Window with Power Table Ignition

SerializationException: Error deserializing element "<c" caused by NoClassDefFoundError: com/sun/java/swing/plaf/windows/WindowsTableHeaderUI caused by ClassNotFoundError: com.sun.java.swing.plaf.windows.WindowsTableHeaderUI Ignition v7.9.12 (b2019070213) Java: Rasbian 11.0.3 I get this error when trying to open a window with a power table in it. The only place in the table that uses java swing is my header configuration, but even when I disable the configureHeaderStyle I get the same error.

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