与maven的GWT RequestFactory

时间:2012-03-29 13:30:22

标签: gwt maven requestfactory

我正在尝试运行请求工厂示例,但是,运行mvn clean install时出现此错误。

[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /home/carlos/workspace/requestfactory/tutorial/src/main/java/cleancodematters/requestfactory/tutorial/client/Tutorial.java:[74,53] cannot access javax.validation.ConstraintViolation
class file for javax.validation.ConstraintViolation not found
    context.save( pizza ).fire( new Receiver<Void>() {
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Compilation failure
/home/carlos/workspace/requestfactory/tutorial/src/main/java/cleancodematters/requestfactory/tutorial/client/Tutorial.java:[74,53] cannot access javax.validation.ConstraintViolation
class file for javax.validation.ConstraintViolation not found
    context.save( pizza ).fire( new Receiver<Void>() {

The code of the example can be found at github。我尝试了其他的例子,试图改变pom.xml,我想我几乎尝试了所有的东西,而且我总是跳出同样的错误。

提前致谢。

1 个答案:

答案 0 :(得分:4)

我认为问题与以下依赖关系有关:

<dependency>
  <groupId>javax.validation</groupId>
  <artifactId>validation-api</artifactId>
  <version>1.0.0.GA</version>
  <scope>test</scope>
</dependency>
<dependency>
  <groupId>javax.validation</groupId>
  <artifactId>validation-api</artifactId>
  <version>1.0.0.GA</version>
  <classifier>sources</classifier>
  <scope>test</scope>
</dependency>

在第一个依赖项中,您使用的分类器“sources”根本没有意义。此外,范围“test”也没有意义,因为编译等需要这些类。所以你不应该使用范围。只需将其减少为以下单个依赖项:

<dependency>
  <groupId>javax.validation</groupId>
  <artifactId>validation-api</artifactId>
  <version>1.0.0.GA</version>
</dependency>

第二点是为什么你使用build-helper-plugin并添加一个不必要的补充文件夹,因为它已经由基于文档的maven-processor-plugin添加了。 将maven-war-plugin更新为最新(2.2)

是明智之举