类路径问题:使用Maven Antrun插件运行ant java任务 [英] Classpath problems:running ant java task with Maven Antrun plugin

问题描述

从maven ant run插件运行ant任务时，我可以将maven classpath设置为ant属性.但是，当我尝试运行<ant:java任务设置此确切的类路径时，出现了找不到该引用的错误.好像整个类路径被解释为一个jar.有什么办法可以将此类路径设置为ant java任务吗?

When running ant task from maven ant run plugin I can set maven classpath as an ant property. However when I try to run <ant:java task setting this exact classpath I get the error that the reference can not be find. As if the whole classpath is interpreted as one jar. Is there a way to somehow set this classpath to ant java task?

(来自Maven)

<plugin>
   <artifactId>maven-antrun-plugin</artifactId> 
     ....
   <property name="compile_classpath" refid="maven.compile.classpath"/>
   ....

(来自ant) ...

(from ant) ...

<path id="classpath">
   <path refid="${compile_classpath}"/>
</path>
...
<java   classname="..." classpathref="classpath">
...
</java>

maven ant run插件的版本为1.7

The version of maven ant run plugin is 1.7

如果无法做到这一点，那么蚂蚁可以通过某种方法来迭代该类路径字符串(使用';'分隔符的jar文件的位置)并将jar位置的值设置为'

If this can not be done is there some way in ant to iterate this classpath string (location of jar files with ';' separator) and set the values of jar location as '

推荐答案

我认为我在受挫一段时间后就找到了解决方案:受

I think I've hit on the solution to this one after being frustrated for some time : inspired by this thread

antrun插件可以正确地构造类路径引用，但是在调用ant任务时不会将它们传递给外部构建文件.

The antrun plugin is correctly constructing classpath references, but not passing them through to the external build file when you invoke the ant task.

因此解决方案是使用<reference>元素显式传递要访问的任何类路径引用.

So the solution is to explicitly pass in any classpath references you want to access using the <reference> element.

        <!-- antrun plugin execution -->
        <plugin>
            <artifactId>maven-antrun-plugin</artifactId>
            <version>1.7</version>
            <executions>
                <execution>
                    <id>build</id>
                    <phase>compile</phase>
                    <goals>
                        <goal>run</goal>
                    </goals>
                    <configuration>
                        <target>
                            <ant antfile="${basedir}/build.xml">
                                <!-- This is the important bit -->
                                <reference torefid="maven.compile.classpath" refid="maven.compile.classpath"/>
                            </ant>
                        </target>
                    </configuration>
                </execution>
            </executions>
        </plugin>

并在您的蚂蚁构建任务中像往常一样食用它们

And consume them as normal in your ant build task

<!-- External ant build referencing classpath -->
 <java classname="net.nhs.cfh.ebook.Main" fork="true" failonerror="true">
     <arg value="-b"/>
     <arg value="${dist.dir}"/>
     <arg value="-o"/>
     <arg value="${xml.dir}/treeindex"/>
     <arg value="tree.xml"/>
     <jvmarg value="-Dstrategy=treeParser"/>
     <!-- reference to the passed-in classpath reference -->
     <classpath refid="maven.compile.classpath"/>
 </java>

这篇关于类路径问题:使用Maven Antrun插件运行ant java任务的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！