I have one problem which is recurring, related to JsInterop.
Sometimes the JsInterop JS stub is not generated because of (seemingly) an
internal error in SuperDevMode (and GWTC it seems), but nothing is logged,
so it's difficult to diagnose.
For example, in an application (which does not inherits the User module),
when i write a class like this, the JS stub is generated correctly :
@JsInterop
public class Toto
{
public void doSomething()
{
// really nothing here...
}
}
But if i change it to :
@JsInterop
public class Toto
{
public void doSomething()
{
Window.alert( "yeah" );
}
}
Then the JS stub is not generated (i mean the Toto constructor function is
not made available to JS scope).
I understand that Window.alert(...) is implemented in the User module and
since i don't inherit from it, the thing cannot be generated. But no
message is generated (neither by SDM nor by the GWTC if i remember well),
which is then difficult to diagnose...
Note : i should be able to produce a minimal repro case for this thing.
Then sometimes, a @JsInterop class would not be exported to JS, but if i
change its name then it's generated, which is... weird.
For this one i am not sure i can give a minimal repro case because it
happens on quite large projects (angular2 with gwt 2.8)...
I saw another error:
It was in a @JsInterop class, which called a template method (i mean with
<T> in the signature of the method). I had to specify the <T> type to call
it to have the SDM generating the class. If i didn't, the javac would infer
correctly the <T> type (so no error appears in the IDE, which is Eclipse in
my case), but it seemed that SDM did not manage to infer the type correctly
because then the class would not be accessible from javascript... I can
give you a sample file if you need.
A last one : i tried migrating a big app from 2.7 to 2.8-rc2 (same problem
with previous sub versions of the 2.8). The compiler goes on compiling then
does the linking, but it suddenly crashes without saying anything (i tried
TRACE and DEBUG log levels with no more useful information) and results in
a maven build failure. The build is happening in maven. Since the app is
quite big, i guess the problem comes from a dependency i use which is not
2.8 friendly (did not have enough time to investigate that deeply). But
again, the problem is not that the compile does not work, but that no
useful message is generated to understand the error.
For this one, i can give you the code, but privately since it is a business
app that is not open source...
Thanks !
Arnaud Tournier
LTE Consulting
Le jeudi 8 septembre 2016 16:27:36 UTC+2, Daniel Kurka a écrit :
>
> Hi all,
>
> I will be cutting rc3 tomorrow 1pm CEST, please respond to this email with
> any outstanding reviews that you want to see included.
>
> -Daniel
>
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