Question

HTTP Status 500 - Servlet execution threw an exception报错怎么解决

type Exception report

message Servlet execution threw an exception

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

exception
javax.servlet.ServletException: Servlet execution threw an exception
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause
java.lang.ExceptionInInitializerError
daoImpl.UserDaoImpl.<init>(UserDaoImpl.java:14)
serviceImpl.UserserviceImpl.login(UserserviceImpl.java:13)
servlets.LoginServlet.doGet(LoginServlet.java:55)
servlets.LoginServlet.doPost(LoginServlet.java:73)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
java.util.MissingResourceException: Can't find bundle for base name dbinfo, locale zh_CN
java.util.ResourceBundle.throwMissingResourceException(Unknown Source)
java.util.ResourceBundle.getBundleImpl(Unknown Source)
java.util.ResourceBundle.getBundle(Unknown Source)
Utils.DBUtils.<clinit>(DBUtils.java:18)
daoImpl.UserDaoImpl.<init>(UserDaoImpl.java:14)
serviceImpl.UserserviceImpl.login(UserserviceImpl.java:13)
servlets.LoginServlet.doGet(LoginServlet.java:55)
servlets.LoginServlet.doPost(LoginServlet.java:73)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/8.5.8 logs.

Apache Tomcat/8.5.8

Answer 1

daoImpl.UserDaoImpl.<init>(UserDaoImpl.java:14)
错误日志现在这个类有错误，你可以去排查下这个类的14行。