If you aren't using java 9 modules, the latest release will work. It does
this by reading the classpath from System.getProperty("java.class.path"),
so if you are using standard tools for creating classpath, everything
should work fine. If you are doing anything non-standard for assigning
classpaths, or if you are using java 9 modules (i.e. you supply a
modulepath instead of classpath), this will very likely not work for you.
Per my previous comments, my colleagues (Colin Alworth and Justin Hickman)
and I did start a GWT-based services company, vertispan.com. If you want
to chat, you can send an email to [email protected] or come chat
in https://gitter.im/gwtproject/gwt We generally help anyone for free in
the public chat room, since it helps everyone to learn about fixes, but for
anything requiring dedicated engineering effort, we prefer to do a support
contract.
While I cannot say what the team at Google has in store for java 9 in gwt
2, I do have a prototype fix for java 9 modules on an old branch, so if you
do run into trouble, feel free to post here, but you'll likely get a much
faster response in gitter. I have the jars pushed to a public-facing
artifactory, and can give out coordinates if you have more exotic needs
(and are willing to use coarse workarounds while a better solution is
developed). My fix resorts to reflection to access new java 9 classloader
types, needs a bunch of ugly flags to open modules for reading by
classloaders, and even had to unpack all of gwt-user and gwt-dev to avoid
overloaded packages (no longer legal to have the same package in more than
one jar in java 9).
Getting a prototype "this can work" was pretty easy, but getting it fully
cleaned up with necessary modularization / refactoring is a potentially
large chunk of work that could affect many files.
So, I hope the "java.class.path" workaround works for you. If it doesn't,
come see us in gitter, or post back here (if you are ok waiting a few days
for a response).
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