(1. Unzip the jp.gr.java in the features folder in eclipse_ conf.ussiy.app.propedit_ 6.0.3. Copy the jar file to the features directory of eclipse. 3. Copy the jp.gr.java in the plugins folder of eclipse_ conf.ussiy.app.propedit_ 6.0.3. Copy the jar file to the plugins directory of eclipse. 4. Restart eclipse and set the opening method to Properties can't solve the problem. Come to our Love Open Source to have a look. There will be materials or software, tutorials, patches, source code, etc. you need)