JDeveloper 12c: Save IDE Window Positions

A question on the ODC JDeveloper and ADF space about how to save a specific arrangement of the editor windows came caught my attention. After thinking about this a moment I could not think of any configuration to do this. ‘Reset Windows To Factory Setting’ is not what was asked for.

Idea

I wanted to figure this out and came up with the idea to make a snapshot of the current running JDeveloper folder, then change the editor window settings, take another snapshot and then compare them.

Solution

I did this with my current installation of JDeveloper 12.1.3.0.0, but it should work the same way in other JDeveloper versions. After comparing the two snapshots using KDiff3 it turned out, that the information about the size, position, and visibility of the editor windows are stored in a subfolder of the system12.1.3.x.xx.xxxxxx.xxxx folder named ‘system_cache/config/Preferences’.

This folder contains many subfolders holding information about your preference settings. To save the data make a copy of this folder and store it somewhere. If you messed up the IDE you can restore the windows by removing the current ‘system_cache/config/Preferences’ folder and restore it from the saved one.

Attention

Before you restore the settings you should close JDeveloper and make another copy of the current ‘system_cache/config/Preferences’ folder.

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