type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Access denied for user 'root'@'localhost.localdomain' (using password: YES)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.j1_jsp._jspService(org.apache.jsp.j1_jsp:116)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.sql.SQLException: Access denied for user 'root'@'localhost.localdomain' (using password: YES)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2851)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:750)
com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3562)
com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1151)
com.mysql.jdbc.Connection.createNewIO(Connection.java:1777)
com.mysql.jdbc.Connection.<init>(Connection.java:437)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:268)
java.sql.DriverManager.getConnection(DriverManager.java:525)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.j1_jsp._jspService(org.apache.jsp.j1_jsp:61)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.

--转自