Eclipse Decompiler Not Working [new] -
If you are doing heavy reverse engineering, consider using a standalone tool like JD-GUI (standalone app) or Bytecode Viewer rather than an embedded Eclipse plugin; they are more stable and handle errors better.
If your Eclipse decompiler has stopped showing source code and is only displaying bytecode or "Class File Editor," you aren't alone. This is usually caused by an association conflict or a missing plugin update. ⚡ Quick Fixes Go to Window > Preferences . Navigate to General > Editors > File Associations . Find *.class and *.class without source .
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For both, select (or your specific plugin's viewer) in the bottom pane and click Default . Restart Eclipse to ensure these changes take effect. 2. Update the Decompiler Plugin
Best for inspecting what’s happening under the hood. If you are doing heavy reverse engineering, consider
Corrupted UI states are common in Eclipse.
If you are experiencing the "not working" issue right now, perform these steps: ⚡ Quick Fixes Go to Window > Preferences
Check your eclipse.ini to ensure it points to a compatible VM. 3. Alternative Tools