请高手赐教关于tomcat和mysql的冲突

我不知道该怎么描述这个问题了 只好说冲突二字
 一开tomcat  eclipse的console就报出如下信息 而且每30秒刷新一次，不断报出同样的信息
 请问怎么解决啊？严重: Prototype
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2822)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:777)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3216)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1147)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2595)
at com.mysql.jdbc.Connection.<init>(Connection.java:1509)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.logicalcobwebs.proxool.ProxyFactory.buildProxyConnection(ProxyFactory.java:41)
at org.logicalcobwebs.proxool.Prototyper.buildConnection(Prototyper.java:150)
at org.logicalcobwebs.proxool.Prototyper.sweep(Prototyper.java:95)
at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:42)