How to debug a jar file

java -agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=y -cp “JwtSign-1.0-SNAPSHOT.jar:../lib/*” MainRunner value1 value2

address: your IDE listening port

Running Jar file name : JwtSign-1.0-SNAPSHOT.jar

Other dependent Jar file location: ../lib/*

Main class name: MainRunner

Value1, Value 2 : Parameters passing to the arg[] method