java环境是yum install -y java 命令安装的，版本是1.8，jenkins部署报下面的错误
[INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ order ---
[INFO] Compiling 9 source files to /root/.jenkins/workspace/DeployOrder/order/target/classes
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.053 s
[INFO] Finished at: 2018-06-25T16:03:29+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project order: Fatal error compiling: tools.jar not found: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el6_9.x86_64/jre/../lib/tools.jar -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionExceptiontomcat Id list :
no tomcat pid alive
cp: 无法获取"/root/.jenkins/workspace/DeployOrder/order/target/order.war" 的文件状态(stat): 没有那个文件或目录
mv: 无法获取"order.war" 的文件状态(stat): 没有那个文件或目录
