org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
WorkflowScript: 6: illegal string body character after dollar sign;
   solution: either escape a literal dollar sign "\$5" or bracket the value expression "${5}" @ line 6, column 35.
         script: "echo ${env.JOB_NAME} | awk '{split($0,a,"_"); print a[2];}'",