The community will undergo maintenance on October 16th at 10:00 PM PDT and will be unavailable for up to one hour.
Solved! Go to Solution.
Some old discussion - "Eclipse JDK8 to JDK11 Issue: Package is accessible from more than one module": https://community.ptc.com/t5/Windchill/Eclipse-JDK8-to-JDK11-Issue-Package-is-accessible-from-more-than/td-p/686246
Some old discussion - "Eclipse JDK8 to JDK11 Issue: Package is accessible from more than one module": https://community.ptc.com/t5/Windchill/Eclipse-JDK8-to-JDK11-Issue-Package-is-accessible-from-more-than/td-p/686246