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The official GWT (formerly Google Web Toolkit) developer discussion group. GWT lets you build AJAX apps in the Java programming language.

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Colin Alworth, … Craig Mitchell3

Mar 4

GWT 2.12.2 released

Working great. And addWindowClosingHandler works again! Thanks all! On Tuesday, 4 March 2025 at 5:02:

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GWT 2.12.2 released

Working great. And addWindowClosingHandler works again! Thanks all! On Tuesday, 4 March 2025 at 5:02:

Mar 4

Craig Mitchell, Jens7

Aug 20

Elemental2 WebRTC createOffer and createAnswer are incorrect

Following up on my own comment: A request for a new build with updated closure externs has been made:

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Elemental2 WebRTC createOffer and createAnswer are incorrect

Following up on my own comment: A request for a new build with updated closure externs has been made:

Aug 20

Craig Mitchell, Thomas Broyer4

Aug 20

Elemental2 doesn't support all calls?

Thanks Thomas. I see w3c_vibration.js in the closure-compiler: https://github.com/google/closure-

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Elemental2 doesn't support all calls?

Thanks Thomas. I see w3c_vibration.js in the closure-compiler: https://github.com/google/closure-

Aug 20

Craig Mitchell, Jens4

Aug 5

Don't use the GWT mouse button constants with Elemental2

Thanks Jens. Interesting that elemental2.dom.KeyboardEvent doesn't include keyCode or charCode. I

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Don't use the GWT mouse button constants with Elemental2

Thanks Jens. Interesting that elemental2.dom.KeyboardEvent doesn't include keyCode or charCode. I

Aug 5

divyanshu kumar, … Leon Pennings4

Aug 2

Seeking Advice on Implementing a Side Panel with TabBar in GWT Using UiBinder

What works best for me is to; 1 - first establish the best sematic correct html for the component you

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Seeking Advice on Implementing a Side Panel with TabBar in GWT Using UiBinder

What works best for me is to; 1 - first establish the best sematic correct html for the component you

Aug 2

Craig Mitchell, … Jens14

Aug 1

Mixing Elemental2 with GWT Widgets

Someone here once did https://github.com/akasha/akasha which is similar to elemental2 but has a more

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Mixing Elemental2 with GWT Widgets

Someone here once did https://github.com/akasha/akasha which is similar to elemental2 but has a more

Aug 1

Craig Mitchell, Jens3

Jul 28

Elemental2 oddities

Thanks again Jens. Issue raised: https://github.com/google/closure-compiler/issues/4250 On Monday, 28

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Elemental2 oddities

Thanks again Jens. Issue raised: https://github.com/google/closure-compiler/issues/4250 On Monday, 28

Jul 28

Jul 28

Modify the underlying HtmlUnit configuration on GWTTestCase

GWT 2.8.2 uses HTMLUnit 2.19 which should work with CORS. At least the changelog only suggest a

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Modify the underlying HtmlUnit configuration on GWTTestCase

GWT 2.8.2 uses HTMLUnit 2.19 which should work with CORS. At least the changelog only suggest a

Jul 28

Kerby, … Michael Conrad11

Jul 26

Errai “No proxy provider found” – but only for one model?

Kerby, Based on the dagger release notes, the latest you can probably use will be 2.54 or 2.53.1. Our

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Errai “No proxy provider found” – but only for one model?

Kerby, Based on the dagger release notes, the latest you can probably use will be 2.54 or 2.53.1. Our

Jul 26

Thomas Broyer, Arpan Ameta5

Jul 14

Re: Issue Running gwt:codeserver with JDK 17 in IntelliJ - "No project found" Error

Hi Thomas, I wanted to inform you that we are currently facing an issue while starting the GWT :

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Re: Issue Running gwt:codeserver with JDK 17 in IntelliJ - "No project found" Error

Hi Thomas, I wanted to inform you that we are currently facing an issue while starting the GWT :

Jul 14

divyanshu kumar, … Colin Alworth4

Jul 12

Super Dev Mode pauses on “invisible” breakpoints & then shows blank screen

You're right, thanks so much for the response! That helped me resolve the issue. 🙌 On Friday, 11

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Super Dev Mode pauses on “invisible” breakpoints & then shows blank screen

You're right, thanks so much for the response! That helped me resolve the issue. 🙌 On Friday, 11

Jul 12

Gerard Keiser, … Tim Macpherson5

Jul 12

Using rpc.XserializeFinalFields

Thanks for the responses. The biggest thing, I suppose, is JPMS, especially since Java 17, which I

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Using rpc.XserializeFinalFields

Thanks for the responses. The biggest thing, I suppose, is JPMS, especially since Java 17, which I

Jul 12

Nishchaya Tejasri

Jul 9

GWT 12.1 production version has issues with loading header in Calendar tab

Hi Team, I'm currently using SmartGWT version 12.1 (production), and we're facing an issue

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GWT 12.1 production version has issues with loading header in Calendar tab

Hi Team, I'm currently using SmartGWT version 12.1 (production), and we're facing an issue

Jul 9

divyanshu kumar, Craig Mitchell3

Jun 28

PopupPanel with DisclosurePanels Always Showing & Not Closing in Mobile GWT UI

Thank you once again for your guidance. I resolved the issue successfully by following your

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PopupPanel with DisclosurePanels Always Showing & Not Closing in Mobile GWT UI

Thank you once again for your guidance. I resolved the issue successfully by following your

Jun 28

divyanshu kumar

Jun 27

Verification of Build Menu Issue and Guidance on Popup Menu Implementation in GWT

Hello GWT Community, I hope this message finds you well. I'm currently working on developing a

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Verification of Build Menu Issue and Guidance on Popup Menu Implementation in GWT

Hello GWT Community, I hope this message finds you well. I'm currently working on developing a

Jun 27

Arpan Ameta, … Lonzak7

Jun 26

Need Help: GWT 2.12 Migration + gwtrpc-spring-1.02 Compatibility Issue

Hello Arpan, did you read my last post? I just saw that our final build file does not contain gwt-

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Need Help: GWT 2.12 Migration + gwtrpc-spring-1.02 Compatibility Issue

Hello Arpan, did you read my last post? I just saw that our final build file does not contain gwt-

Jun 26

Michael Kunze, Colin Alworth3

Jun 26

GWT 2.7.0 - file not found

Michael - the old URLs have been restored, at least temporarily. I have github releases drafted for

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GWT 2.7.0 - file not found

Michael - the old URLs have been restored, at least temporarily. I have github releases drafted for

Jun 26

divyanshu kumar, … Jens4

Jun 19

Help Needed: Implementing Responsive Mobile Layout in GWT project

If your page is blank then you have a logic issue in your code. Of course you can replace complete UI

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Help Needed: Implementing Responsive Mobile Layout in GWT project

If your page is blank then you have a logic issue in your code. Of course you can replace complete UI

Jun 19

divyanshu kumar, … Jens11

Jun 16

Hybrid UiBinder Issue: “Not allowed in an HTML context: <g:HTML>” with Parent/Child ImageElement Binding

Thanks 😊 On Sun, Jun 15, 2025, 23:07 Jens <[email protected]> wrote: You can also

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Hybrid UiBinder Issue: “Not allowed in an HTML context: <g:HTML>” with Parent/Child ImageElement Binding

Thanks 😊 On Sun, Jun 15, 2025, 23:07 Jens <[email protected]> wrote: You can also

Jun 16

[email protected], … Craig Mitchell3

Jun 3

GWT at JCON 2025!

Happy birthday to Java! Definitely my favourite language. 😊 Cool presentation. Those old UIs bring

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GWT at JCON 2025!

Happy birthday to Java! Definitely my favourite language. 😊 Cool presentation. Those old UIs bring

Jun 3

TimOnGmail, … tekkyru7

May 31

Calling methods on Uint8Array is causing a ReferenceError in Super Dev Mode...

Aaaand After clean SuperDevMode restart (after deletion of GWT temp files in gradle build and in

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Calling methods on Uint8Array is causing a ReferenceError in Super Dev Mode...

Aaaand After clean SuperDevMode restart (after deletion of GWT temp files in gradle build and in

May 31

Jeffrey Devloo, … Thomas Broyer7

May 21

GWTTestCase - split module testsuite compile problems

Specifying additionalClasspathElements does not work. Both the source and the target are on the

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GWTTestCase - split module testsuite compile problems

Specifying additionalClasspathElements does not work. Both the source and the target are on the

May 21

Alexander Bertram, … Colin Alworth4

May 21

Isomorphic Promise implementation?

Thanks both, for the pointers! On Tuesday, May 20, 2025 at 7:05:29 PM UTC+2 Colin Alworth wrote: The

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Isomorphic Promise implementation?

Thanks both, for the pointers! On Tuesday, May 20, 2025 at 7:05:29 PM UTC+2 Colin Alworth wrote: The

May 21

Craig Mitchell, … Radek19

May 21

Does GWTTestCase still work?

Thank you all for your insights! Yes, I was referring specifically to those GWT integration tests

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Does GWTTestCase still work?

Thank you all for your insights! Yes, I was referring specifically to those GWT integration tests

May 21

Olivier Thelu, … Thomas Broyer5

May 19

DTD for GWT 2.12.2 is missing

Thanks for your answers On Sunday, May 18, 2025 at 11:53:13 AM UTC+2 Thomas Broyer wrote: …or just

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DTD for GWT 2.12.2 is missing

Thanks for your answers On Sunday, May 18, 2025 at 11:53:13 AM UTC+2 Thomas Broyer wrote: …or just

May 19

Craig Mitchell, … Jens22

May 14

IEEE 754 mode for Java

I found the problem, and it's my fault (and I'm a little embarrassed by it). I had used a

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IEEE 754 mode for Java

I found the problem, and it's my fault (and I'm a little embarrassed by it). I had used a

May 14

Gerard Keiser, … Thomas Broyer7

May 2

Log4j in doUnexpectedFailure

Thank you. I'll see if I can get it with that logging.properties. On Thursday, May 1, 2025 at 9:

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Log4j in doUnexpectedFailure

Thank you. I'll see if I can get it with that logging.properties. On Thursday, May 1, 2025 at 9:

May 2

[email protected]

Apr 27

Oracle demos Java on WebAssembly

Oracle recently showed off a demo where they used GraalVM to compile Java code to WebAssembly: https:

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Oracle demos Java on WebAssembly

Oracle recently showed off a demo where they used GraalVM to compile Java code to WebAssembly: https:

Apr 27

Simon Callan, … Thomas Broyer5

Apr 24

Migrating maven gwt plugin

On Thursday, April 24, 2025 at 12:55:05 PM UTC+2 [email protected] wrote: Having had a quick

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Migrating maven gwt plugin

On Thursday, April 24, 2025 at 12:55:05 PM UTC+2 [email protected] wrote: Having had a quick

Apr 24

bryan, … Tim Macpherson11

Apr 19

That's actually an interesting question: sometimes ai will hallucinate but not to the degree of

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That's actually an interesting question: sometimes ai will hallucinate but not to the degree of

Apr 19

Gabriele Lupoli, … Colin Alworth4

Apr 17

Chrome and Firefox differences

I can't offer any concrete advice to this, but the "isc" prefix in the element ID is

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Chrome and Firefox differences

I can't offer any concrete advice to this, but the "isc" prefix in the element ID is

Apr 17

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