当在客户端代码中使用RequestContext接口时,GWT应用程序会在运行时崩溃



我已经与这个问题斗争了3天,我想StackOverflow是我最后的手段。我不知道为什么它不工作:(我使用GWT 2.4.0和JDK 1.6.

我正在学习这个教程,并且遇到了崩溃的GWT应用程序。如果我在客户端代码中提到com.google.web.binder .requestfactory.share . requestcontext接口,应用程序就会崩溃。我甚至都不用它。我只是有未使用的方法,它把RequestContext作为参数。我尝试引用RequestFactory -相同的异常。所以我怀疑我错过了一些与RequestFactory包相关的东西。我在GWT编译器中添加了-logLevel DEBUG,下面是我所拥有的:

DEBUG: Rebinding com.vsezavtra.courierApp.client.ManagerShell.ManagerShellUiBinder. 
  DEBUG: Checking rule <generate-with class='com.google.web.bindery.requestfactory.gwt.rebind.RequestFactoryGenerator'/>. 
    ERROR: Errors in 'jar:file:/C:/work/externals/gwt/gwt-user.jar!/com/google/web/bindery/requestfactory/shared/Receiver.java'. 
    ERROR: Unable to find type 'com.vsezavtra.courierApp.client.ManagerShell.ManagerShellUiBinder'. 
      ERROR: Line 26: The import javax.validation.ConstraintViolation cannot be resolved. 
      ERROR: Line 79: ConstraintViolation cannot be resolved to a type. 
      ERROR: Line 81: ConstraintViolation cannot be resolved to a type. 
      ERROR: Hint: Previous compiler errors may have made this type unavailable. 
      ERROR: Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly. 
ERROR: Deferred binding failed for 'com.vsezavtra.courierApp.client.ManagerShell.ManagerShellUiBinder'; expect subsequent failures. 
ERROR: Unable to load module entry point class com.vsezavtra.courierApp.client.courierApp (see associated exception for details). java.lang.RuntimeException: Deferred binding failed for 'com.vsezavtra.courierApp.client.ManagerShell$ManagerShellUiBinder' (did you forget to inherit a required module?)
    at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:53)
    at com.google.gwt.core.client.GWT.create(GWT.java:97)
    at com.vsezavtra.courierApp.client.ManagerShell.<clinit>(ManagerShell.java:15)
    at com.vsezavtra.courierApp.client.courierApp.onModuleLoad(courierApp.java:10)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
    at java.lang.Thread.run(Thread.java:662)
Caused by: com.google.gwt.core.ext.UnableToCompleteException: (see previous log entries)
    at com.google.gwt.dev.shell.ModuleSpace.rebind(ModuleSpace.java:595)
    at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:455)
    at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49)
    at com.google.gwt.core.client.GWT.create(GWT.java:97)
    at com.vsezavtra.courierApp.client.ManagerShell.<clinit>(ManagerShell.java:15)
    at com.vsezavtra.courierApp.client.courierApp.onModuleLoad(courierApp.java:10)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:396)
    at com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:525)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
    at java.lang.Thread.run(Thread.java:662)
ERROR: Failed to load module 'courierApp' from user agent 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1' at localhost:10695. 

完整的日志是这里。我的应用程序很小。这是我的GWT XML文件

<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit 2.0//EN" "http://google-web-toolkit.googlecode.com/svn/releases/2.0/distro-source/core/src/gwt-module.dtd">
<module rename-to="courierApp">
    <inherits name='com.google.gwt.user.User'/>
    <inherits name="com.google.web.bindery.requestfactory.RequestFactory"/>
    <source path="client"/>
    <entry-point class='com.vsezavtra.courierApp.client.courierApp'/>
</module>

主入口点类:

package com.vsezavtra.courierApp.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootLayoutPanel;
public class courierApp implements EntryPoint
{
    public void onModuleLoad()
    {
        RootLayoutPanel.get().add(new ManagerShell());
    }
}

可绑定UI类

package com.vsezavtra.courierApp.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;
import com.google.web.bindery.requestfactory.shared.RequestContext;
public class ManagerShell extends Composite
{
    interface ManagerShellUiBinder extends UiBinder<Widget, ManagerShell>
    {
    }
    private static ManagerShellUiBinder uiBinder = GWT.create(ManagerShellUiBinder.class);
    public ManagerShell()
    {
        initWidget(uiBinder.createAndBindUi(this));
    }
    // if I remove this method everything works :(
    public void SetTest(RequestContext test) {}
}

和相应的XML文件

<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui'>
    <g:VerticalPanel>
        <g:HTMLPanel>
            Test!
        </g:HTMLPanel>
        <g:HTMLPanel>
            Test2!
        </g:HTMLPanel>
    </g:VerticalPanel>
</ui:UiBinder>

最后我的web.xml文件只有根"web-app"元素,因为我没有服务器端部分(尚未)。

我正在使用IntelliJ IDEA 10.5.2来调试应用程序。

如果你还有什么问题,请告诉我。我真的不知道我还能做些什么:

看来您缺少一个javax。RequestFactory所依赖的验证实现:

错误:第81行:ConstraintViolation不能解析为类型。

在布线部分的RequestFactory教程中,建议使用hibernate验证器以及其他几个依赖项:

* requestfactory-server.jar
* javax/validation/validator-api-1.0.0.GA.jar
* A JSR 303 Validator of your choice, such as hibernate-validator 

最新更新