Maven学习问题解决

  • 问题1:Eclipse Warning: No grammar constraints (DTD or XML schema) detected for the document

  • DTD验证是xml的规范,要去除警告的话:
    Eclipse4.2解决方法:windows-> preferences -> xml ->xml files ->validation->[validation files分组]no grammar is specified: 选择Ignore即可。

  • 问题2:Build path specifies execution environment J2SE-1.6. There are no JREs installed in the workspace that are strictly compatible with this environment

  • 修改pom.xml,修改成实际的jdk版本,如使用jdk1.7,即改成 1.7

  • 问题3:Project configuration is not up-to-date with pom.xml. Run Maven->Update Project or use Quick Fix.

  • 选择mavne项目,eclipse右键 maven--update maven projects,若是多模块项目则全选,OK编译

  • 问题4: hibernate3:hbm2ddl could not get configurationTask ;This POM.xml is referring the Hibernate3-maven-plugin-.2.1.jar - HibernateExporterMojo.class-- getComponentConfiguration (name) function populating the error in the following "Could not get ConfigurationTask.";

  • 检查是否有多个版本的jdk,项目POM设置1.6的版本,重新mvn clean install,接着 mvn Hibernate3:hbm2ddl

  • 问题5: 使用xdoclet1.2.3生成ejb2.1相关代码时,假如Bean相关文件使用了jdk1.5的泛型,则会编译出错
  • XDoclet的核心是XJavaDoc,这个库负责解析Java源代码。由于XDoclet1.2.3版本的XJavaDoc还不能正确解析Java5代码,因此需要手动更新XJavaDoc。
    下载xjavadoc-1.5 http://sourceforge.net/project/showfiles.php?group_id=31602
    找到${USER_HOME}\.m2\repository\xdoclet\xjavadoc\1.1覆盖xjavadoc-1.1.jar即可,即可正确生成home,local相关接口


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转载自cyeboss.iteye.com/blog/1582444
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