You can use Dagger for GWT dependency injection.
https://github.com/google/dagger/tree/master/gwt
On 7/20/25 18:55, Kerby wrote:
Errai isn’t really like any other GWT framework. From what I know,
DominoKit feels closer to GXT. Errai’s big thing is that it lets you
use HTML templates directly within GWT, so you’re not tied to a
specific UI widget library. Since it’s built on top of GWT, you still
get all the GWT features, but with the flexibility to work with plain
HTML and CSS.
On top of that, Errai brings dependency injection to the browser,
which I haven’t seen in any other GWT-based framework. From what I can
tell, it looks like DominoKit might even use Errai under the hood, but
I’m not 100% sure on that.
On Friday, July 11, 2025 at 11:29:32 PM UTC+8 Frank Hossfeld wrote:
I have never used Errai, so I can't help.
There were always a bunch of frameworks and widget libraries which
offered an alternative approach to the GWT one - similar to Errai.
Nowadays I would suggest looking into the DominoKit stack which is
well maintained. Also Nalu might be an interesting alternative -
Nalu does not offer a widget library but f.e. works well with the
one from DominoKit. And, TBH, I don't think that things like CDI,
data binding, etc, needs to be provided necessarily by GWT.
Kerby schrieb am Mittwoch, 9. Juli 2025 um 10:52:17 UTC+2:
Hi Dmitrii, were you one of the Errai maintainers?
I’m hesitant to post on their channels—looks like Errai has
been abandoned. Sadly, that’s often the fate of open source
under corporate backing.
Without Colin or Thomas, GWT might’ve died too.
For projects using Errai CDI, UI/Data Binding, or HTML
Templating, this might be a dead end—unless GWT introduces
similar capabilities, which seems unlikely given its focus on
admin UIs and reliance on prebuilt widgets. Plus, replicating
those features would be a massive effort.
Back to the issue: I just used a classic GWT value change
handler, initialized it in `@PostConstruct`, and it behaves
like data binder—probably how it works internally anyway.
P.S. Errai CDI really gave GWT a reactive feel.
On Wednesday, July 9, 2025 at 8:15:10 AM UTC+8 Dmitrii
Tikhomirov wrote:
On Jul 8, 2025, at 5:08 PM, Craig Mitchell
<[email protected]> wrote:
Unfortuntely, I don't think this is a GWT issue, I've
never seen GWT throw any error like this before. As far
as I know, GWT doesn't have the concept of proxies or
bound models. Hope you find your issue.
On Tuesday, 8 July 2025 at 12:08:46 am UTC+10 Kerby wrote:
I'm getting a `No proxy provider found for bindable
type` error from Errai for one specific model
(`Token`), even though:
* It’s annotated with both `@Bindable` and `@Portable`
* It’s used with `@Model` and `DataBinder`
* It's in the same*package*as other models like
`User`, `Post`, `Comment`, etc.
What’s strange is: other models work*fine*and I can
see them in the generated `.errai`
`BindableProxyLoaderImpl`. But `Token` is*missing
entirely* from that list — like Errai skipped it
during codegen.
I already have `ErraiApp.properties`, proper module
inheritance, and everything else in place.
Why would*only one model*get skipped like this?
Anyone encountered this before?
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Yes, this is an issue with Red Hat Errai, most likely
because Errai hasn’t been updated or tested with the
latest versions of GWT in a very long time.
To be honest, I don’t even know who could help you, this
framework has long been unsupported
You can try opening an issue on the Errai GitHub, but
there are no guarantees.
I haven’t been responsible for Errai’s development and
support for a long time
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