Type 异常报告
消息 java.lang.reflect.InvocationTargetException
描述 服务器遇到一个意外的情况,阻止它完成请求。
Exception
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException cn.itcast.servlet.BaseServlet.service(BaseServlet.java:60) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.lang.reflect.InvocationTargetException sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.lang.RuntimeException: java.sql.SQLException: Communications link failure The last packet successfully received from the server was 9,053,490 milliseconds ago. The last packet sent successfully to the server was 9,053,491 milliseconds ago. Query: select count(*) from t_book where 1=1 and press like ? Parameters: [%中国电力出版社%] cn.itcast.goods.book.service.BookService.findByPress(BookService.java:137) cn.itcast.goods.book.web.servlet.BookServlet.findByPress(BookServlet.java:166) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.sql.SQLException: Communications link failure The last packet successfully received from the server was 9,053,490 milliseconds ago. The last packet sent successfully to the server was 9,053,491 milliseconds ago. Query: select count(*) from t_book where 1=1 and press like ? Parameters: [%中国电力出版社%] org.apache.commons.dbutils.AbstractQueryRunner.rethrow(AbstractQueryRunner.java:320) org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:349) org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:210) cn.itcast.jdbc.TxQueryRunner.query(TxQueryRunner.java:23) cn.itcast.goods.book.dao.BookDao.findByCriteria(BookDao.java:224) cn.itcast.goods.book.dao.BookDao.findByPress(BookDao.java:162) cn.itcast.goods.book.service.BookService.findByPress(BookService.java:135) cn.itcast.goods.book.web.servlet.BookServlet.findByPress(BookServlet.java:166) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) cn.itcast.servlet.BaseServlet.service(BaseServlet.java:44) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Note 主要问题的全部 stack 信息可以在 server logs 里查看