On 03/01/2022 11:20, Rémy Maucherat wrote:
On Mon, Jan 3, 2022 at 11:53 AM Rainer Jung <rainer.j...@kippdata.de> wrote:
For reference: this is probably the ticket about moving JDT (and ECJ) to
Java 11:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=572389
And this is the parallel mail discussion:
https://www.eclipse.org/lists/eclipse-dev/msg11703.html
If we roll back the change for TC 10.0 and 9, there is also the later
change about JSP compilation for Java 17/18 that was depeding on the ECJ
update.
Well, this is a big problem since we plan to support Tomcat 9 for a
very long time and there's now no way to update JDT :(
Any ideas ?
I think we have options.
JDT bugs that affect JSP compilation are rare as are security bugs. On
that basis, the likelihood of an update being required is low.
Tomcat 8.5.x has been stuck on ECJ 4.6.3 (last Java 7 version) since
2017 and that hasn't been an issue so far.
I don't think we have said Tomcat 9.10.x etc will continue to have Java
8 as a minimum. It is the Java EE 8 API we are looking to retain and
while java EE 8 does specify Java 8 as a minimum I think we have a case
- in terms of extended support - to update that if we need a newer
version of Java in order to update a dependency we need to update.
Users always have the option of replacing the ECJ JAR that ships with
Tomcat with a new (or older) version. Whatever we decide to do as the
default, users will always have the option to use a different ECJ JAR.
Actually, using an older version might be tricky as we use the newer
constants but if we keep that in mind for 9.10.x onwards we could ship
with a newer ECJ and leave the option open for users to downgrade.
Sort of related, I am wondering about the build environment. We have
seen an issue with downstream building with Java 11 and there are
difficulties building 8.5.x particularly with a clean install of the
latest publicly available Java 7. What about switching all versions to
building with Java 11 and using the release compilation option to set
the appropriate Java API to build against?
Mark
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