报500错误

type Exception report

message fromIndex = -5

description The server encountered an internal error that prevented it from fulfilling this request.

exception

java.lang.IndexOutOfBoundsException: fromIndex = -5
java.util.ArrayList.subListRangeCheck(ArrayList.java:1002)
java.util.ArrayList.subList(ArrayList.java:996)
com.entity.Pager.<init>(Pager.java:42)
com.dao.StudentDaoImpl.findStudent(StudentDaoImpl.java:19)
com.service.StudentServiceImpl.findStudent(StudentServiceImpl.java:15)
com.servlet.SublistServlet.doPost(SublistServlet.java:60)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.42 logs.