线程“主”中的异常java.lang.NoClassDefFoundError：org / springframework / b oot / builder / SpringApplicationBuilder

Question

Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/builder/SpringApplicationBuilder at com.cts.oi.dataprotection.integ.svcs.DataProtectionJobsApp.main(DataP
rotectionJobsApp.java:31)
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.builder.SpringApplicationBuilder