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 <ma...@craig-mitchell.com> 
> 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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