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  1. #1
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    Default Unanswered: Cannot add Gxt form

    Unanswered: Cannot add Gxt form


    Dear friends i cannot add a gxt form while doing so it cause shell failed in dostartupServer method day before yesterday it works well.......but then i downloaded apache maven will it cause any problem. am working with eclipse ide. helios-3.6 can anybody help me plzzzzzzzzzzz ........ i cannot implement any of gxt forms from pallete
    plz help me...........


    FormPanel frmpnlNewFormpanel = new FormPanel(); this line cause errorrrr


    thanks for your valuable replies........................

  2. #2
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    post your code ... post the exact message of error

  3. #3
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    Thanks for your reply my friend..............
    onModuleLoad() threw an exception
    Exception while loading module com.mycompany.project.client.Viewer. See Development Mode for details.
    java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Unknown Source)
    Caused by: java.lang.VerifyError: (class: com/extjs/gxt/ui/client/widget/Container, method: adjustIndex signature: (Lcom/extjs/gxt/ui/client/widget/Component;I)I) Illegal constant pool index
    at com.mycompany.project.client.Viewer.onModuleLoad(Viewer.java:25)
    ... 9 more







    ononModuleLoad() threw an exception
    Exception while loading module com.mycompany.project.client.Viewer. See Development Mode for details.
    java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396) at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352) at java.lang.Thread.run(Unknown Source)Caused by: java.lang.VerifyError: (class: com/extjs/gxt/ui/client/widget/Container, method: adjustIndex signature: (Lcom/extjs/gxt/ui/client/widget/Component;I)I) Illegal constant pool index at com.mycompany.project.client.Viewer.onModuleLoad(Viewer.java:25) ... 9 more



    ModuleLoad() threw an exception
    Exception while loading module com.mycompany.project.client.Viewer. See Development Mode for details.
    java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396) at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352) at java.lang.Thread.run(Unknown Source)Caused by: java.lang.VerifyError: (class: com/extjs/gxt/ui/client/widget/Container, method: adjustIndex signature: (Lcom/extjs/gxt/ui/client/widget/Component;I)I) Illegal constant pool index at com.mycompany.project.client.Viewer.onModuleLoad(Viewer.java:25) ... 9 more



  4. #4
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    Default


    you didn't get all of my message.
    please post your code too .. and try to use [ code ] your code here [ /code ] TAGS

  5. #5
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    This is ma code.............................

    package com.mycompany.project.client;


    import com.google.gwt.core.client.EntryPoint;


    /**
    * Entry point classes define <code>onModuleLoad()</code>.
    */
    public class ImageViewer implements EntryPoint {
    private Button clickMeButton;
    public void onModuleLoad() {
    RootPanel rootPanel = RootPanel.get();


    clickMeButton = new Button();
    rootPanel.add(clickMeButton);
    clickMeButton.setText("Click me!");

    FormPanel frmpnlNewFormpanel = new FormPanel();
    frmpnlNewFormpanel.setHeading("New FormPanel");
    frmpnlNewFormpanel.setCollapsible(true);
    rootPanel.add(frmpnlNewFormpanel);
    rootPanel.setWidgetPosition(frmpnlNewFormpanel, 81, 90);
    frmpnlNewFormpanel.setSize("300px", "200px");
    clickMeButton.addClickHandler(new ClickHandler(){
    public void onClick(ClickEvent event) {
    Window.alert("Hello, GWT World!");
    }
    });
    }
    }
    ..............................................................

    My Exception in crome....................


    onModuleLoad() threw an exception
    Exception while loading module com.mycompany.project.client.ImageViewer. See Development Mode for details.
    java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:193)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:510)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Unknown Source)
    Caused by: java.lang.VerifyError: (class: com/extjs/gxt/ui/client/widget/Container, method: adjustIndex signature: (Lcom/extjs/gxt/ui/client/widget/Component;I)I) Illegal constant pool index
    at com.mycompany.project.client.ImageViewer.onModuleLoad(ImageViewer.java:23)
    ... 9 more


    Exception in development console............................


    [ERROR] [com.mycompany.project.ImageViewer] - Unable to load module entry point class com.mycompany.project.client.ImageViewer (see associated exception for details)


    [ERROR] [com.mycompany.project.ImageViewer] - Failed to load module 'com.mycompany.project.ImageViewer' from user agent 'Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.186 Safari/535.1' at localhost:1220




    [ERROR] [com.mycompany.project.ImageViewer] - Unable to load module entry point class com.mycompany.project.client.ImageViewer (see associated exception for details)
    [ERROR] [com.mycompany.project.ImageViewer] - Failed to load module

    'com.mycompany.project.ImageViewer' from user agent 'Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.186 Safari/535.1' at localhost:1220


    Thank you ............................

  6. #6
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    Default


    Try this
    Code:
    import com.extjs.gxt.ui.client.event.ButtonEvent;
    import com.extjs.gxt.ui.client.event.SelectionListener;
    import com.extjs.gxt.ui.client.widget.button.Button;
    import com.extjs.gxt.ui.client.widget.form.FormPanel;
    import com.google.gwt.core.client.EntryPoint;
    import com.google.gwt.user.client.Window;
    import com.google.gwt.user.client.ui.RootPanel;
    
    public class ImageViewer implements EntryPoint {
    
        private Button clickMeButton;
    
        public void onModuleLoad() {
            RootPanel rootPanel = RootPanel.get();
    
            clickMeButton = new Button();
            rootPanel.add(clickMeButton);
            clickMeButton.setText("Click me!");
    
            FormPanel frmpnlNewFormpanel = new FormPanel();
            frmpnlNewFormpanel.setHeading("New FormPanel");
            frmpnlNewFormpanel.setCollapsible(true);
            rootPanel.add(frmpnlNewFormpanel);
            rootPanel.setWidgetPosition(frmpnlNewFormpanel, 81, 90);
            frmpnlNewFormpanel.setSize("300px", "200px");
            clickMeButton
                    .addSelectionListener(new SelectionListener<ButtonEvent>() {
    
                        @Override
                        public void componentSelected(ButtonEvent ce) {
                            Window.alert("Hello world!");
    
                        }
                    });
        }
    }
    With the gxt Button you have to use SelectionListner .. not clicklistner, you also need to import all resources you use

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