com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access denied for user 'rzg'@'%' to database 'databasename'

sun.reflect.GeneratedConstructorAccessor225.newInstance(null.-1)

sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java.45)

java.lang.reflect.Constructor.newInstance(Constructor.java.423)

com.mysql.jdbc.Util.handleNewInstance(Util.java.403)

com.mysql.jdbc.Util.getInstance(Util.java.386)

com.mysql.jdbc.SQLError.createSQLException(SQLError.java.944)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java.3933)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java.3869)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java.864)

com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java.1707)

com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java.1217)

com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java.2189)

com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java.2220)

com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java.2015)

com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java.768)

com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java.47)

sun.reflect.GeneratedConstructorAccessor222.newInstance(null.-1)

sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java.45)

java.lang.reflect.Constructor.newInstance(Constructor.java.423)

com.mysql.jdbc.Util.handleNewInstance(Util.java.403)

com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java.385)

com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java.323)

com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1666)

com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1732)

com.fr.third.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java.2907)