我的Jenkins构建在几天前失败了。当我比较之前的成功构建时，我发现maven32-agent-1.8.1.jar更新为maven32-agent-1.12-alpha-1.jar，maven3-interceptor-commons-1.8.1.jar更新为maven3-interceptor-commons-1.12-alpha-1.jar。
JDK：JDK_6u45
Maven：3.2.3
我现在得到的错误是：
xx/var/lib/jenkins/tools/hudson.model.JDK/JDK_6u45/bin/java -XX:MaxPermSize=512m -cp /usr01/var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-agent-1.12-alpha-1.jar:/usr01/app/apache-maven-3.2.3/boot/plexus-classworlds-2.5.1.jar:/usr01/app/apache-maven-3.2.3/conf/logging jenkins.maven3.agent.Maven32Main /usr01/app/apache-maven-3.2.3 /var/cache/jenkins/war/WEB-INF/lib/remoting-3.14.jar /usr01/var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven32-interceptor-1.12-alpha-1.jar /usr01/var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.12-alpha-1.jar 85426
Could not find the main class: jenkins.maven3.agent.Maven32Main. Program will exit.
ERROR: Failed to launch Maven. Exit code = 1
Started calculate disk usage of build
Finished Calculation of disk usage of build in 0 seconds
Started calculate disk usage of workspace
Finished Calculation of disk usage of workspace in 0 seconds
Finished: FAILURE
对此有何解决方案？