TOMCAT连接mysql数据库

Question

type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Invalid authorization specification: Access denied for user 'dbuser'@'localhost' (using password: YES)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:862)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:795)
org.apache.jsp.login_jsp._jspService(login_jsp.java:129)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
root cause java.sql.SQLException: Invalid authorization specification: Access denied for user 'dbuser'@'localhost' (using password: YES)
org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:330)
org.gjt.mm.mysql.Connection.connectionInit(Connection.java:261)
org.gjt.mm.mysql.jdbc2.Connection.connectionInit(Connection.java:89)
org.gjt.mm.mysql.Driver.connect(Driver.java:167)
java.sql.DriverManager.getConnection(DriverManager.java:512)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.login_jsp._jspService(login_jsp.java:85)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
note The full stack trace of the root cause is available in the Tomcat logs.这个是个什么错误啊？怎么解决？
是不是TOMCAT没连接上mysql数据库

Answer 1

用root登陆mql，给dbuser用户授权

Answer 2

啊~~~这么的啊
可以在 mcc 上面操作不呢？

Answer 3

dbuser改用root  
如何更改？
请说详细点，指点下小弟，多谢了~~

Answer 4

默认用户root，密码好像是空。你可以user="root"，password=""，试试。
不过，也可以用root登陆mql，给dbuser用户授权。

Answer 5

默认用户root，密码好像是空。你可以user="root"，password=""，试试。
不过，也可以用root登陆mql，给dbuser用户授权。这样做了 可是运行网页连接数据库时还是显示这个错误`眩晕……

Answer 6

type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Communication failure during handshake. Is there a server running on localhost:3306?
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:862)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:795)
org.apache.jsp.login_jsp._jspService(login_jsp.java:129)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
root cause java.sql.SQLException: Communication failure during handshake. Is there a server running on localhost:3306?
org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:327)
org.gjt.mm.mysql.Connection.connectionInit(Connection.java:261)
org.gjt.mm.mysql.jdbc2.Connection.connectionInit(Connection.java:89)
org.gjt.mm.mysql.Driver.connect(Driver.java:167)
java.sql.DriverManager.getConnection(DriverManager.java:512)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.login_jsp._jspService(login_jsp.java:85)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
note The full stack trace of the root cause is available in the Tomcat logs.
这个又是个什么错误嘛~~~眩晕

Answer 7

Mysql的3306端口号被占用了!!!!!

Answer 8

Mysql的3306端口号被占用了!!!!!哪能查到是什么站用的啊？多谢指教啊