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Created attachment 161476 [details] sample project 1. open attached project. 2. open javaapplication21.java in editor. 3. change package name from javaapplication21 to javaapplication22 (refactor) 4. change file name from javaapplication21.java to javaapplication22.java (refactor) 5. click undo twice 6. click redo twice, get error message popup "JavaApplication21.java seems no longer valid!" 7. click ok on error dialog 8. click hint next to line 7 and choose to rename the file to match class name JavaApplication22.java 9. open tree under package to view source files in Projecs window. 10. click undo Results: Notice a new JavaApplication21.java is created along side the JavaApplication22.java file instead of the JavaApplicatino22.java file being renamed. (See screenshot) Expected: JavaApplicatino22.java should have been renamed to JavaApplication21.java Workaround: delete JavaApplication22.java file.
Created attachment 161477 [details] screenshot showing another file