This is definitely the issue, I found a bug report to Canonical on the very thing: https://bugs.launchpad.net/ubuntu/+source/tomcat9/+bug/1972829 Oh, well.
Thanks for your help, everyone! On Fri, Jun 16, 2023 at 4:17 AM Mark Thomas <ma...@apache.org> wrote: > On 16/06/2023 09:07, Rémy Maucherat wrote: > > On Thu, Jun 15, 2023 at 9:54 PM Mark Thomas <ma...@apache.org> wrote: > >> > >> On 15/06/2023 19:23, Joel Griffith wrote: > >>> It looks like the JDT you mention is the Ubuntu package > >>> `libeclipse-jdt-core-java`. > >>> > >>> When I installed Tomcat 9 (9.0.31) on the functioning Ubuntu 20.04 > system, > >>> version 3.18.0+eclipse4.12-1 of this JDT package was installed as a > >>> dependency. When I installed Tomcat 9 (9.0.58) on the Ubuntu 22.04 > system, > >>> version 3.27.0+eclipse4.21-1 was installed. Assuming the "4.12" and > "4.21" > >>> numbers are the JDT versions you're referring to, it seems like you're > >>> right about the cause. > >>> > >>> According to this table (https://tomcat.apache.org/whichversion.html), > >>> Tomcat 9 is supposed to be compatible with Java 8, yet in this case it > >>> seems to have broken compatibility on a patch update between 9.0.31 and > >>> 9.0.58. In order to regain compatibility, the dependency on JDT > should be > >>> adjusted to a lower version. Is this something the Tomcat people have > to > >>> handle, or is it the package maintainers at Canonical who make that > choice? > >> > >> That would be Canonical. > >> > >> If you get Tomcat 9 from the ASF it works out of the box on Java 8. (You > >> actually get the reverse issue with really new JDKs and very old JDTs > >> but that isn't what is happening here). > > > > JDT seems to be getting more and more aggressive with bumping Java > > requirements. For example, Tomcat 10.1 uses Java 11 as the minimum, > > but JDT 4.28 is *already* Java 17+. So Tomcat 10.1 will stay on 4.27 > > forever basically. > > Thanks for the info. I hadn't realized that. I guess I would have found > out when I did the version updates for the July releases. I've added a > note to the 10.1.x build.properties file. > > Mark > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
