Question

我在Windows上使用Eclipse Helios和Tomcat 7并且导入了Apache Ant-1.8.4并且工作正常但我必须在另一台机器上设置相同的环境，当我尝试在Eclipse中使用Ant构建项目时失败并显示以下消息;

C:\eclipsehelios\workspace\projectname\build.xml:207: Problem: failed to 
create task or type emmajava

Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken  
place

之前我遇到过此错误，只是需要确保构建文件具有Ant文件夹的正确路径，但这次没有解决问题。我发现通过将以下文件复制到Ant的lib文件夹解决了问题，但这些在我自己的PC中不是必需的，并且想知道是否有人会告诉我这是否是解决此问题的正确方法，如果是，为什么我不需要这些在我自己的电脑上？

antlr-2.7.6.jar

commons-beanutils-1.8.3-javadoc.jar
commons-beanutils-1.8.3-sources.jar
commons-beanutils-1.8.3.jar
commons-beanutils-bean-collections-1.8.3.jar
commons-beanutils-core-1.8.3.jar

commons-cli-1.2-javadoc.jar
commons-cli-1.2-sources.jar
commons-cli-1.2.jar
commons-logging.jar

ganymed.jar
guava-13.0.1-sources.jar.sav
guava-13.0.1.jar.sav
guava-gwt-13.0.1-sources.jar.sav
guava-r07-javadoc.jar.sav
guava-r07-sources.jar.sav
guava-r07.jar.sav
jna.jar

svnant-1.3.1.jar    
svnant.jar
svnClientAdapter.jar
svnjavahl.jar
svnkit.jar

编辑：如果我点击“C：\ eclipsehelios \ workspace \ projectname \ build.xml：207”这一行，它将转到构建文件的以下部分，顶行为“

<emmajava enabled="${emma.enabled}" libclasspathref="emma.lib"  
fullmetadata="yes" filter="${emma.filter}" sourcepath="src" 
classname="the.company.domain.test.EmmaLoginMain">

    <classpath>
      <pathelement path="test" />
      <pathelement path="build/classes" />
      <pathelement path="build_tests/classes" />
      <pathelement path="test" />
         <fileset dir="${libDir}">
         <include name="**/*.jar" />
         </fileset>
             <fileset dir="${tomcat_lib}">
             <include name="**/*.jar" />
             </fileset>
             <fileset dir="${test_lib}">
                <include name="**/*.jar" />
             </fileset>
      </classpath>

      <!-- regular <java> options are still available: -->
      <!--<arg value="somearg" /> -->

      <!-- <emmajava> option extensions [see the reference manual for
         complete details]: -->
      <xml outfile="${test.reports.dir}/emma/coverage.xml" />
      <txt outfile="${test.reports.dir}/emma/coverage.txt" />
      <html outfile="${test.reports.dir}/emma/coverage.html" />
</emmajava>

为什么Ant lib文件夹不同

0 个答案: