# Jre and jdk conflict while doing a pacman update **URL:** \ **Category:** Newbie\ **Created:** [November 13, 2023, 9:58am UTC](https://forum.endeavouros.com/t/jre-and-jdk-conflict-while-doing-a-pacman-update/47799 "2023-11-13T09:58:48Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Bryanpwo](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/bryanpwo/32/130600_2.png) [@Bryanpwo](https://forum.endeavouros.com/u/Bryanpwo)\ **Post date:** [November 13, 2023, 10:08am UTC](https://forum.endeavouros.com/t/jre-and-jdk-conflict-while-doing-a-pacman-update/47799/2 "2023-11-13T10:08:09Z")
Just read the top pinned post on the forum 😉 > [@Incoming changes in JDK / JRE 21 packages may require manual intervention](https://forum.endeavouros.com/t/incoming-changes-in-jdk-jre-21-packages-may-require-manual-intervention/47387): > > The Arch team announced a possible manual intervention, they announced: (Underneath is a literal quote from the Arch announcement) We are introducing a change in JDK/JRE packages of our distro. This is triggered from the way a JRE is build in modern versions of Java (\>9). We are introducing this change in Java 21. To sum it up instead of having JDK and JRE packages coexist in the same system we will be making them conflict. The JDK variant package includes the runtime environment to exec… --- _[View the full topic](https://forum.endeavouros.com/t/jre-and-jdk-conflict-while-doing-a-pacman-update/47799)._