Gwt Google web toolkit运行mvn包时出错

Gwt Google web toolkit运行mvn包时出错,gwt,smartgwt,Gwt,Smartgwt,我使用gwt编写了一个项目,在运行“mvn包”时出现以下错误: [INFO]——gwt maven插件:1.0-rc-8:compile(默认)@Ifrs9 Web--- [信息]编译模块iason.ifrs9.web.client.Ifrs9EntryPoint [信息]跟踪类型“com.smartgwt.client.bean.types.EnumValueType”的编译失败路径 “jar:file:/C:/Users/andrea/.m2/repository/com/smartgwt/

我使用gwt编写了一个项目,在运行“mvn包”时出现以下错误:

[INFO]——gwt maven插件:1.0-rc-8:compile(默认)@Ifrs9 Web---
[信息]编译模块iason.ifrs9.web.client.Ifrs9EntryPoint
[信息]跟踪类型“com.smartgwt.client.bean.types.EnumValueType”的编译失败路径
“jar:file:/C:/Users/andrea/.m2/repository/com/smartgwt/smartgwt/4.0/smartgwt-4.0.jar”中的[INFO][ERROR]错误/com/smartgwt/client/bean/types/EnumValueType.java'
[信息][错误]第26行:名称冲突:EnumValueType类型的方法registerValueType(类)与OtherValueType类型的registerValueType(类)具有相同的擦除,但不隐藏它
[信息]跟踪类型“com.smartgwt.client.bean.types.JsoValueType”的编译失败路径
“jar:file:/C:/Users/andrea/.m2/repository/com/smartgwt/smartgwt/4.0/smartgwt-4.0.jar”中的[INFO][ERROR]错误/com/smartgwt/client/bean/types/JsoValueType.java'
[信息][错误]第31行:名称冲突:JsoValueType类型的方法registerValueType(类)与OtherValueType类型的registerValueType(类)具有相同的擦除,但不会隐藏它
[信息]查找入口点类
[信息][错误]提示:检查模块中的继承链;它可能没有继承所需的模块,或者模块可能没有正确添加其源路径项
[信息]------------------------------------------------------------------------
[信息]生成失败
[信息]------------------------------------------------------------------------
[信息]总时间:01:15分钟
[信息]完成时间:2019-04-24T11:47:23+02:00
[信息]最终内存:20M/212M

您能帮我解决这个错误吗?

SmartGWT论坛已经回答了这个问题:

升级至最新版本。此处提供的版本:

在哪里可以找到maven存储库来下载依赖项?不知道,在samrtgwt论坛上询问。您还可以下载并配置maven以使用该本地库。
[INFO] --- gwt-maven-plugin:1.0-rc-8:compile (default) @ Ifrs9-Web ---
[INFO] Compiling module iason.ifrs9.web.client.Ifrs9EntryPoint
[INFO]    Tracing compile failure path for type 'com.smartgwt.client.bean.types.EnumValueType'
[INFO]       [ERROR] Errors in 'jar:file:/C:/Users/andrea/.m2/repository/com/smartgwt/smartgwt/4.0/smartgwt-4.0.jar!/com/smartgwt/client/bean/types/EnumValueType.java'
[INFO]          [ERROR] Line 26: Name clash: The method registerValueType(Class<T>) of type EnumValueType<ValueType> has the same erasure as registerValueType(Class<T>) of type OtherValueType<ValueType> but does not hide it
[INFO]    Tracing compile failure path for type 'com.smartgwt.client.bean.types.JsoValueType'
[INFO]       [ERROR] Errors in 'jar:file:/C:/Users/andrea/.m2/repository/com/smartgwt/smartgwt/4.0/smartgwt-4.0.jar!/com/smartgwt/client/bean/types/JsoValueType.java'
[INFO]          [ERROR] Line 31: Name clash: The method registerValueType(Class<T>) of type JsoValueType<ValueType> has the same erasure as registerValueType(Class<T>) of type OtherValueType<ValueType> but does not hide it
[INFO]    Finding entry point classes
[INFO]       [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
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:15 min
[INFO] Finished at: 2019-04-24T11:47:23+02:00
[INFO] Final Memory: 20M/212M