Java Jenkins build找不到资源，但maven找到了

我正在尝试设置Jenkins来自动化项目构建，我遇到了以下问题。mvn clean安装在cmd上运行得非常完美，但当使用maven antrun插件时，jenkins的项目构建失败

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run
(clientgen) on project Sample: 
An Ant BuildException has occured: Compile failed; see the compiler error output for 
details.
[ERROR] around Ant part ...<javac fork="yes" memoryInitialSize="512m" 
destdir="E:\Jenkins\workspace\Trunk Builds\Sample\target/generated-sources" 
memoryMaximumSize="1024m" srcdir="E:\Jenkins\workspace\Trunk Builds\Sample\target/build"
source="1.4" classpathref="maven.plugin.classpath" executable="C:\j2sdk1.4.2_19/bin/javac" 
target="1.4"/>... @ 46:428 in 
E:\Jenkins\workspace\Trunk Builds\Sample\target\antrun\build-main.xml

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只要我不使用maven antrun插件，Jenkin构建就会成功。你知道为什么即使通过cmd jenkins也无法构建项目吗？

事实上，我找到了真正的问题并找到了解决办法。问题是由于某种原因Jenkins没有访问.m2/repository，所以我将Jenkins配置为使用本地到工作区存储库。现在它正常构建

[javac] E:/Jenkins/workspace/Trunk Builds/Sample/target/build/ClassSample.java:20: 
package org.sample.package does not exist