当我在Eclipse中创建Web应用程序项目以使用配置API创建用户帐户时，我遇到以下错误 [DEBUG][createuser]-验证新编译的单元 [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/AppsForYourDomainClient.java”中的错误 [错误][createuser]-第324行：没有可用于java.net.URL类型的源代码；您是否忘记继承所需的模块？ [错误][createuser]-第1059行：类型系统的方法出口（int）未定义 [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/AttributeHistogram.java”中的错误 [错误][createuser]-第340行：类型org.xml.sax.Attributes没有可用的源代码；您是否忘记继承所需的模块？ [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/ConversionUtil.java”中的错误 [错误][createuser]-第239行：com.google.common.collect.Multimap类型没有可用的源代码；您是否忘记继承所需的模块？ [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/FeedURLFactory.java”中的错误 [错误][createuser]-第35行：没有可用于java.net.URL类型的源代码；您是否忘记继承所需的模块？ [错误][createuser]-第75行：没有可用于java.net.MalformedURLException类型的源代码；您是否忘记继承所需的模块？ [错误][createuser]-第117行：java.net.urlcoder类型没有可用的源代码；您是否忘记继承所需的模块？ [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/GmAttributes.java”中的错误 [错误][createuser]-第142行：类型org.xml.sax.Attributes没有可用的源代码；您是否忘记继承所需的模块？ [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/gmunapproved.java”中的错误 [错误][createuser]-第59行：类型org.xml.sax.Attributes没有可用的源代码；您是否忘记继承所需的模块？ [错误][createuser]-“文件：/D:/Neha_workspace/createuser/src/com/shared/api/gbase/client/GmPublishingPriority.java”中的错误 [错误][createuser]-第122行：类型org.xml.sax.Attributes没有可用的源代码；您是否忘记继承所需的模块？

您使用了GWT客户端不支持的类。您应该将它们移动到服务器端（例如GWT RPC servlet），并使用异步回调从客户端代码调用它们。

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此处列出了可以在GWT客户端使用的类：。

您是否忘记继承所需的模块？您需要在此处添加更多详细信息

[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?