As a user and non-contributor, I would vote for bumping up versions
(Java 7 to 8, Jetty to 9.4). The move to Java 8 is something I would
have to do if I had any Java 7 projects left. And Jetty has lots of used
features that I'm not hearing proposals for replacement for.
On 2021-04-11 9:15 a.m., Jens wrote:
Hi,
we all know the issue: DevMode bundles Jetty and people are using it
even though we do not recommend it. Consequently people are
complaining that bundled Jetty is too old. So every once in a while we
upgrade it.
Currently with GWT 2.9.0 the situation is:
- GWT SDK is compiled to Java 7 byte code
- GWT Compiler requires ASM 7.x to support Java 11
- DevMode bundles Jetty 9.2 which uses ASM 5.x
- gwt-dev.jar can only bundle a single Jetty, since we do not relocate
it. However there is already a question asking for Jakarta Servlet
support, e.g. Jetty 11 / Tomcat 10.
Currently the ASM version misalignment between Jetty 9.2 and GWT
compiler causes classpath issues. This could be fixed by upgrading to
Jetty 9.4 and consequently compiling GWT SDK to Java 8 byte code as
that is a requirement for Jetty 9.4.
However given the new Jakarta namespace and first questions about
supporting it, I am wondering if it wouldn't be wiser to remove
embedded Jetty from DevMode now, invest some work to make GWT-RPC and
RequestFactory useable with old javax.servlet and new jakarta.servlet
namespaces and finally cut a 2.10 or 3.0 release given the removal of
embedded Jetty.
Personally I would strongly vote for removal because GWT nowadays is
in maintenance mode with only very few changes here and there to
support J2CL better. Even reviews from contributors are rare these
days I guess. Every action we take nowadays should take maintenance
effort into account and a low maintenance effort is obviously
preferred. If we upgrade Jetty to 9.4 we still have that Jakarta issue
coming up more often in the future for sure.
Generally this would be a decision made by GWT steering group but I
have no idea if this group still exists. So I am asking here for a
decision how to move on.
-- J.
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