gwt-2.7.0 升级 - GWT 构建错误 'com.google.gwt.user.cellview.client.CellBasedWidgetImpl' cannot be abstract

Question

[java]    [ERROR] Errors in 'com/google/gwt/user/client/DOM.java'
[java]       [ERROR] Line 64: Rebind result 'com.google.gwt.user.client.impl.DOMImpl' cannot be abstract

。 . . . . .

.

   java.util.Set
 [java]                                                                                                                                                                                                    Verifying instantiability
 [java]                                                                                                                                                                                                       java.util.LinkedHashSet<?>
 [java]                                                                                                                                                                                                          [WARN] Checking all subtypes of Object which qualify for serialization
 [java]    [ERROR] Errors in 'com/google/gwt/user/cellview/client/CellBasedWidgetImpl.java'
 [java]       [ERROR] Line 46: Rebind result 'com.google.gwt.user.cellview.client.CellBasedWidgetImpl' cannot be abstract

使用 ant (gwt-2.7.0) 构建 gwt 项目 war 时出错。项目在超级开发模式下运行正常。 War 使用 gwt-2.5.0 构建没有任何错误

Answer 1

从 gwt.xml

中删除歌剧排列

    <extend-property name="user.agent" values="opera" />

gwt-2.7.0不支持opera排列