Newest gwt Questions

Q&A for professional and enthusiast programmers

[LibGDX][GWT] Error reading file skin.json in HTML [SerializationException]

i'm having some problems deploying a libGDX project to HTML. I have a skin.json file to load basic GUI and Fonts. It work perfect on Android and Desktop but in HTML it doesn't. Here is the stacktrace: ...

GWT Detecting if browser scroll reached bottom

I want to detect if scroll reached end of the page and react on it Code: Window.addWindowScrollHandler(new ScrollHandler() { @Override public void onWindowScroll(ScrollEvent ...

webkit private browsing losing controls from page

I'm using GWT to render controls. In Safari (i.e. webkit), but only Safari (i.e. not Chrome's fork) when the browser is in private browsing mode one control fails to display, it is not there at all, ...

GWT project, adding REST web service

I've been developing for several years a GWT webapp with the following characteristics: Eclipse Gwt-Rpc for client-server comm. Postgresql as database, using PL/SQL functions for server-DB ...

Rational Team Concert gwt plugin issue

I have installed Google Plugin for Eclipse 4.2. It's done normally, and I can see it in the list of installed plugins. But when I restarted the rtc, I can't find the plugin in the preferences window. ...

Resty-GWT MeduaType

How can I change media-type in request @Path("/admin") public interface LoginService extends RestService { LoginService INSTANCE = GWT.create(LoginService.class); @Path("/login") @POST ...

Activities&Places and History in GWT

Activities&Places and History mechanism in GWT is used to Navigate The pages. Then what is the basic difference between the two ? If we can Use History Mechanism for navigation then why should we ...

GWT Autobean List for differents objects

In addon my question question My JSON { "status" : "SUCCESS", "count" : 1, "type" : "InfraNameModel", "results" : [{ "infraName" : "TEST1" } ] } IBeanFactory ...

WildFly GWT Error message tomcat container

after deploying my application over WildFly I see the following messages: 2017-02-15 10:06:51,440 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 178) MSC000001: Failed to start ...

Widget with internal uiBinder code

I would like to create widget where you can inject some part of uiBinder code. For instance <c:MyWidget title="Title text" type="SOME_TYPE"> <g:Button ... /> <g:HTMLPanel ... &...

Interim Blank Page while loading in GWT production mode

I do have a Java/GWT web application with quite weird behavior while loading in IE 11. (Good)Page loads fine in chrome (Good)Page loads fine both in chrome and IE-11 in hosted mode (Good)Page loads ...

How do I update the URL upon changes in the Place in GWT?

I have a CellTable, containing a huge amount of data. Above the tables, the user can add different types of filters, limiting the amount of displayed data. Every time one of these filters are changed,...

Errors with org.realityforge.gwt.websockets.client.WebSocketListener

I am working with GWT to implement client side JS. I'm using org.realityforge.gwt.websockets package for web socket client side implementation. I have some weird error: Some users receive an ...

How to apply AspectJ in GWT application for logging?

How to apply AspectJ in GWT application for logging ? I read the following article. Javadoc: Annotation Type EnableAspectJAutoProxy The class on which I am applying AspectJ doesn't have an ...

Save response variable from Request - GWT

I need to save the response variable from a request, areaRequest is a RequestContext this works but i can't save it and use it out of the scope Long temp; areaRequest.countByCurrentInstitution()....

GWTP Gatekeeper

I do someexample from GWTP http://blog.arcbees.com/2015/10/27/gwtp-beginners-tutorial-toaster-launcher-part-2/#Gatekeeper @DefaultGatekeeper public class LoggedInGatekeeper implements Gatekeeper { ...

GWT & Certification

I have GWT, RestyGWT, Widlfly Standalone.xml <security-realm name="AdminSslRealm"> <server-identities> <ssl> <keystore path="${env.DBO_PATH_CONFIG}/${...

How to hide/mask the column data in GWT Grid?

How can I hide the column/mask or set value like xxxxx for a particular column in all rows of the data being rendered using GWT Grid?

How to implement Runtime Locales in GWT

I am trying to implement Runtime Locales in GWT, But I could not able to get it working. There is very limited documentation available on net. So could you please help me in implementing Runtime ...
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JBoss 7.0 - GWT - Exception while dispatching incoming RPC call

I am currently migrating GWT apps from JBoss 5.1 to JBoss 7.0 EAP server. I have bundled gwt-servlet.jar in the war deployed to server I am getting the below error. 05:11:49,068 ERROR [io.undertow....

GWT Autobean Bean is null

Please help me, what I do wrong InfraNameModel public interface InfraNameModel { String getInfraName(); void setInfraName(String infraName); } InfraNameModelImpl public class ...

gwtbootstrap3 extras->slider does not work properly on IPhone6s (OS.10.2.1)

I tried to use the extras->slider in my project. When I tried to drag it using Chrome developer environment with device emulation turned on the tooltips showing the current value are visible, but I ...

Animating images in GWT

I wanted to know the best way of taking a list of images which come from an HTTP request, each image then needs to be retrieved. I would then like to use the images to make an animation behaviour so ...

Form submission canceled because the form is not connected on GWT

I have a site with GWT, SmartGwt and Sencha GXT. Recently with the updated browsers (IE, Chrome, Opera, Firefox) a few buttons on our site do not work. I have a Tab with a grid like this: Tab |...

Call my GWT backend method from a JSP Page

I have a method residing at backend of GWT framework , I usually call this method via RPC. I am in a situation where the application redirects to a separate JSP page , Now from this jsp page i like ...

changing the obfuscation level of GWT code

I am trying to use the flag; -style PRETTY as discussed here: http://www.gwtproject.org/doc/latest/FAQ_DebuggingAndCompiling.html however its not obvious to me where I place that setting. I'm ...

GWT error while launching Development mode on Jetty or external server

I'm receiving following GWT error . I have tried to use both on Jetty & External server launch (dev mode) both gives same error. URL index.html normalized as http://127.0.0.1:8888/index.html ...

Sometimes Email not sending on google app engine

I am working in a project with GWT, using Google App Engine email code for sending emails. Below is the code I am using to send email: try { System.out.println("Inside Try Block"); Properties ...

No source code is available for type org.eclipse.xtext.xbase.lib.Conversions; did you forget to inherit a required module?

My Xtend/GWT app was working great until I tried to do a forEach on an array. Now I'm getting No source code is available for type org.eclipse.xtext.xbase.lib.Conversions; did you forget to inherit ...

Eclipse can't find com.google.gwt.dev.DevMode when creating debug configuration

I have old project written in GWT and I need to use eclipse to run it. I've installed eclipse mars and gwt plugin from developers.google.com, imported the project, but when I create debug ...

GWT DataTable with SimplePager freezed after DataProvider modification

I've got a strange problem with SimplePager of DataTable in GWT 2.7.0 I created a DataTable in the View in this way: private void initCellTable() { pecMessageCellTable = new CellTable<>...

Websockets on Atmosphere.js keep closing , possible bringing the server down

We have a GWT application deployed on AWS ELB. We're using an Atmosphere.js and websocket set up to get number of live users every second to the UI. I keep seeing this error on the UI: Websocket ...

GWT Make synchronous / blocking call using Asynchronus Callback

I have designed a class Lets call it AsyncClass which implements AsyncCalllback. It has two global variables boolean flag and Object val. And the constructor look like this: AsyncClass() { this....

GWTBootstrap3 components rendering incorrectly in IE11

My page elements should appear in all browsers as follows: I can only achieve this in IE11 by having the dev tools open during page load, otherwise the page generates as the following: Summary no ...

Displaying blank content in gxt tab panel instead of pdf content

I have to display PDF content in a GXT tab panel. But it is displayed as a blank page in a tab. When I use window.open using the same URL, PDF is opened in a browser. Can you please help me in ...

Loading Resty-GWT

How can I show load widget, when client send json on server. From example in GWTP exmaple I found such method /** * We display a short lock message whenever navigation is in progress. * * @param ...

GWT signed zero

In Java I can distinguish between 0D and -0D: new Double("0").equals(new Double("-0")) // false But apparently this seems not to work anymore after GWT transpiled my Java to JavaScript. I even get ...

How frontend instance hours calculated on Google app engine. How can we Reduce frontend instance hours inJAVA

I am working on GWT java project using Google app engine engine. I deployed my app on Google app engine its free instance four finished early. So i want to know how frontend instance hours are ...

GWT forbid History.back() to exit current site

I'm wondering if there is a simple way in GWT to forbid History.back() (or .forward()) to lead to an external site, and define a fallback url if one of this happen. For example : Assuming that ...

How to use bootstrap configurator along with GWTbootstrap3 (i.e. what is bootstrap.min.cache, and how is it generated?)

you can use the bootstrap configurator (http://getbootstrap.com/customize/) to configure your own bootstrap version (e.g. set the variables like @grid-float-breakpoint to configure the navbar collapse ...

Unable to start GWT SuperDev mode within IntelliJ IDEA 2016.3.2 Error running GWTKafka SuperDev Mode: No GWT modules found

I am trying to start SuperDev mode in IntelliJ IDEA 2016.3.2. Even if I untick checkbox Use Super Dev Mode I'll have same message: Error running GWTKafka SuperDev Mode: No GWT modules found in '...

GWT Window.open in IE 11 misinterprets query parameter &deg=123

In a GWT application I try to open a Window passing a url which contains query parameters. It happens that one parameter is named: deg_test, so the formated url is something like: http://localhost:...

Gradle Download repo1.maven.org stuck

Im running a OS X El Capitan 10.11.6 VM (VMware) on my windows PC. So far everything has worked great, however now that I try to sync my project it keeps getting stuck at Gradle: Download https://...

GXT Drag and drop from tree label to a widget

I just want to drag and drop an label from tree to a widget. I am using the below code and it is not getting dropped as a widget. Can you please help me how to display a widget as a dropped item. ...

GWT - get Text from the textbox after enter is pressed doesn't work

In my code I create the textboxes for some words of the text here is a piece of code for (String word : text){ if(word.equals("space")){ textbox = new TextBox(); ...

Issue invoking a Web Application built using GWT 1.6 in Tomcat 6

I have downloaded a WAR of a working web application whose UI is built using GWT 1.6. Inside the WAR When I try to access the app from the server thru it's url http://dummy.com/app, it ...

Key event not caught the 1st time after a dialog is displayed

In catching a "key" event in CKEditor, we have a case where a dialog is displayed if a key is typed within a certain HTML span. After the dialog is dismissed, the 1st key typed does not register on ...

GWT Compiler : when is a compilation error fatal?

I'm trying to understand more about how GWT compilation works. More specifically, I want to know how does GWT decide that a particular error is fatal, and the app compilation should fail because of ...

Eclipse Che - IDE Setup - GWT Dev Mode For Eclipse

Super Dev Mode starting up workDir: /tmp/gwt-codeserver-5762658622774875555.tmp Job org.eclipse.che.ide.IDE_1_0 SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting ...

How to delegate event processing from CellList / CellTable to cell's widget in GWT?

Is there a way to process click event in cell's widget? I implemented custom complex cell with text and image. Wrap it with FocusPanel and declare a click handler. But CellTable and CellList ...
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