I am using STS 3.9 version with using to create starter spring boot project ->Web,jpa,mysql,rest combination.This is When i try to run the spring boot application is shows e
Seems like spring-plugin-core-1.2.0.RELEASE.jar got corrupted. Please delete it from your maven cache and try again.
Go to path where ever it is showing the exception and remove it from that location.
In your case, C:/Users/HP%20PC/.m2/repository/org/springframework/plugin/spring-plugin-core/1.2.0.RELEASE/spring-plugin-core-1.2.0.RELEASE.jar
spring-plugin-core-1.2.0.RELEASE.jar delete this jar from above location and clean your project once and then try to run the application. If this issue got resolved and if you face similar issue with any other jars, please delete those jars as well.