当我在Eclipse中使用Provisioning API在Eclipse中创建Web应用程序项目时，出现以下错误

Question

[DEBUG] [createuser] - Validating newly compiled units 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/AppsForYourDomainClient.java' 
     [ERROR] [createuser] - Line 324: No source code is available for type java.net.URL; did you forget to inherit a required module? 
     [ERROR] [createuser] - Line 1059: The method exit(int) is undefined for the type System 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/AttributeHistogram.java' 
     [ERROR] [createuser] - Line 340: No source code is available for type org.xml.sax.Attributes; did you forget to inherit a required module? 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/ConversionUtil.java' 
     [ERROR] [createuser] - Line 239: No source code is available for type com.google.common.collect.Multimap<K,V>; did you forget to inherit a required module? 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/FeedURLFactory.java' 
     [ERROR] [createuser] - Line 35: No source code is available for type java.net.URL; did you forget to inherit a required module? 
     [ERROR] [createuser] - Line 75: No source code is available for type java.net.MalformedURLException; did you forget to inherit a required module? 
     [ERROR] [createuser] - Line 117: No source code is available for type java.net.URLEncoder; did you forget to inherit a required module? 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/GmAttributes.java' 
     [ERROR] [createuser] - Line 142: No source code is available for type org.xml.sax.Attributes; did you forget to inherit a required module? 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/GmDisapproved.java' 
     [ERROR] [createuser] - Line 59: No source code is available for type org.xml.sax.Attributes; did you forget to inherit a required module? 
    [ERROR] [createuser] - Errors in 'file:/D:/Neha_workspace/CreateUser/src/com/shared/api/gbase/client/GmPublishingPriority.java' 
     [ERROR] [createuser] - Line 122: No source code is available for type org.xml.sax.Attributes; did you forget to inherit a required module? 

Answer 1

您已经使用了GWT客户端不支持的类。您应该将它们移到服务器端（例如，GWT RPC servlet），并使用异步回调从客户端代码调用它们。 可以在GWT的客户端使用的类在此处列出：http://code.google.com/intl/pl-PL/webtoolkit/doc/2.2/RefJreEmulation.html。