tomcat启动后经常有java.sql.SQLException 我的tomcat启动之后,每隔一段时间就会有以下的错误: java.sql.SQLException: Invalid authorization specification message from server: "Access denied for user 'admin'@'localhost' (using password: YES)" at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1997) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1906) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:2520) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:817) at com.mysql.jdbc.Connection.createNewIO(Connection.java:1786) at com.mysql.jdbc.Connection. <init>(Connection.java:450) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java :411) at java.sql.DriverManager.getConnection(DriverManager.java:525) at java.sql.DriverManager.getConnection(DriverManager.java:140) at org.logicalcobwebs.proxool.ProxyFactory.buildProxyConnection(ProxyFac tory.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)