gwt - 如何解决，Gwt编译错误: refers to missing type “classname” in my playN project?

Question

在playN项目中，我收到许多gwt编译错误，如下所示。有人可以给我提示吗？这些是行家项目。

[
'jar:file:/home/user/.m2/repository/com/google/gwt/gwt-user/2.4.0/gwt-user-2.4.0.jar!/com/google/gwt/logging/server/RemoteLoggingServiceUtil.java'

     Line 69: The method logRecordFromJson(String) from the type JsonLogRecordServerUtil refers to the missing type JSONException

  Errors in 'jar:file:/home/user/.m2/repository/com/google/gwt/gwt-user/2.4.0/gwt-user-2.4.0.jar!/com/google/gwt/logging/server/StackTraceDeobfuscator.java'

     Line 53: No source code is available for type java.util.regex.Pattern; did you forget to inherit a required module?

     Line 60: No source code is available for type java.io.File; did you forget to inherit a required module?

     Line 176: No source code is available for type java.io.InputStream; did you forget to inherit a required module?

     Line 180: No source code is available for type java.io.FileInputStream; did you forget to inherit a required module?

     Line 206: No source code is available for type java.io.BufferedReader; did you forget to inherit a required module?

     Line 207: No source code is available for type java.io.InputStreamReader; did you forget to inherit a required module?

     Line 239: No source code is available for type java.util.regex.Matcher; did you forget to inherit a required module?

  Errors in 'jar:file:/home/user/.m2/repository/com/google/gwt/gwt-user/2.4.0/gwt-user-2.4.0.jar!/com/google/gwt/place/rebind/PlaceHistoryGeneratorContext.java'

     Line 196: The method format(String, String, String) is undefined for the type String

     Line 202: The method format(String, String, String, String) is undefined for the type String

     Line 212: The method format(String, String, String, String) is undefined for the type String

     Line 285: The method getCanonicalName() is undefined for the type Class<capture#2-of ? extends PlaceTokenizer<?>>

     Line 289: The method getSimpleName() is undefined for the type Class<WithTokenizers>

     Line 290: The method getCanonicalName() is undefined for the type Class<capture#4-of ? extends PlaceTokenizer<?>>

]

Answer 1

GWT并不支持所有软件包java.io。

有关详细信息，请参见JRE Emulation Reference。

在浏览器中模拟文件/流没有意义。