Thanks Nikhi. Yes, I do realize it's an Eclipse issue. AEM 6.5 requires Java 11 so I can't downgrade JDK. As to Eclipse, I've used that last stable version, 4.15 from March 2020. The latest Eclipse is 4.17, it's SWT requires GTK 3.20 and my OS has 3.18. It looks like I am stuck here, unless I start ...