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我有一个在 2.6.1 中构建但在 2.7.0 中构建失败的项目。我已经在互联网上寻找一个好的答案，但我找不到。

这是 Maven 构建的输出：

...删除了无趣的东西

[INFO] Compiling module XXXX
[INFO]    Looking for precompiled archives.  To disable, use -Dgwt.usearchives=false
[INFO]    Loading archived module: jar:file:/C:/Users/3433/.m2/repository/com/google/gwt/gwt-user/2.7.0/gwt-user-2.7.0.jar!/com/google/gwt/core/Core.gwtar

...

[INFO]    Compiling...
[INFO]       Compilation completed in 5,95 seconds
[INFO]    Invalid Unit: com.google.gwt.validation.client.impl.BaseGwtConfiguration
[INFO]    Invalid Unit: com.google.gwt.validation.client.spi.GwtValidationProvider

... 其他无效单位已删除

[INFO]    Invalid Unit: com.google.gwt.validation.client.spi.BaseConfigurationState
[INFO]    Invalid Unit: java.lang.String
[INFO]    Invalid units found: 11
[INFO]    Compiling...
[INFO]       Compilation completed in 0,04 seconds
[INFO]    Added 3762 units to cache since last cleanup.
[INFO]    Tracing compile failure path for type 'java.lang.String'
[INFO]       Errors in 'jar:file:/C:/Users/3433/.m2/repository/com/google/gwt/gwt-user/2.7.0/gwt-user-2.7.0.jar!/com/google/gwt/emul/java/lang/String.java'
[INFO]          Line 976: The method getDefault() is undefined for the type Locale
[INFO]    Removing invalidated units
[INFO] Wrote 3762 units to persistent cache.
[INFO]    Resolving java.util.Locale
[INFO]       Found type 'java.util.Locale'
[INFO]          [WARN] Unable to resolve supertype java/lang/Object

删除了许多错误...

[INFO]    Resolving com.google.gwt.core.client.AsyncProvider
[INFO]       Found type 'com.google.gwt.core.client.AsyncProvider'
[INFO]          [ERROR] Unable to find class java/lang/Object

[INFO]          Resolving method get
[INFO]             Found type 'com.google.gwt.core.client.Callback'
[INFO]                [ERROR] Unable to find class java/lang/Object

删除了数百个类似的错误

[INFO]    Tracing compile failure path for type 'java.lang.Object'
[INFO]       [ERROR] Errors in 'file:/usr/local/google/home/dankurka/gwt/user/super/com/google/gwt/emul/java/lang/Object.java'
[INFO]          [ERROR] java.lang.String cannot be resolved to a type

Dan Kurka 的主路径在我的构建中是做什么的？

有任何想法吗？

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1 回答 1

2

我知道这是一篇旧帖子，但我最近遇到了同样的问题，所以我想我会发布我的发现。

就我而言，我是从 GWT 2.5.1 迁移到 2.7.0。我们的代码中有一个 java.util.Locale 类，因此 GWT 编译器具有仿真所需的所有源代码，并且它与 GWT 2.7.0 中同一类的结构不匹配。我不得不添加缺少的方法，之后就很好了。

为了找到原因，我不得不使用 -Dgwt.logLevel=DEBUG 参数重新编译。没有那一套，我的问题的根本原因就被隐藏了。当我使用日志级别集进行编译时，我能够看到问题所在：

[INFO]    Compiling...
[INFO]       30% complete (ETR: 9 seconds)
[INFO]       30% complete (ETR: 9 seconds)
[INFO]       30% complete (ETR: 9 seconds)
[INFO]       30% complete (ETR: 9 seconds)
[INFO]       40% complete (ETR: 8 seconds)
[INFO]       50% complete (ETR: 6 seconds)
[INFO]       60% complete (ETR: 4 seconds)
[INFO]       70% complete (ETR: 3 seconds)
[INFO]       80% complete (ETR: 2 seconds)
[INFO]       90% complete (ETR: 1 seconds)
[INFO]       100% complete (ETR: 0 seconds)
[INFO]       Compilation completed in 11.10 seconds
[INFO]    java.util.Locale isn't structurally same.
[INFO]    Invalid Unit: java.lang.String
[INFO]    Invalid units found: 1
[INFO]    Compiling...
[INFO]       Compilation completed in 0.02 seconds
[INFO]    Added 5097 units to cache since last cleanup.
[INFO]    Tracing compile failure path for type 'java.lang.String'
[INFO]       Errors in 'jar:file:/Users/randymay/.m2/repository/com/google/gwt/gwt-user/2.7.0/gwt-user-2.7.0.jar!/com/google/gwt/emul/java/lang/String.java'
[INFO]          Line 991: The method getDefault() is undefined for the type Locale
[INFO]          Line 976: The method getDefault() is undefined for the type Locale
[INFO]       Checked 1 dependencies for errors.
于 2017-01-04T19:38:14.043 回答