org.hibernate.exception.JDBCConnectionException: Cannot open connection

org.hibernate.exception.JDBCConnectionException: Cannot open connection

at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:97)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)

at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)

at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)

at org.hibernate.jdbc.BorrowedConnectionProxy.invoke(BorrowedConnectionProxy.java:74)

at $Proxy0.createStatement(Unknown Source)

at blazefire.fee.TestConnection.testConnection(TestConnection.java:18)

at blazefire.fee.ServerCheckServlet.doGet(ServerCheckServlet.java:44)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)

at java.lang.Thread.run(Thread.java:662)

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

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

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)

at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2238)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2159)

at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

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

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)

at java.sql.DriverManager.getConnection(DriverManager.java:582)

at java.sql.DriverManager.getConnection(DriverManager.java:154)

at org.logicalcobwebs.proxool.DefaultConnectionBuilder.buildConnection(DefaultConnectionBuilder.java:39)

at org.logicalcobwebs.proxool.Prototyper.buildConnection(Prototyper.java:159)

at org.logicalcobwebs.proxool.ConnectionPool.getConnection(ConnectionPool.java:211)

at org.logicalcobwebs.proxool.ProxoolDriver.connect(ProxoolDriver.java:89)

at java.sql.DriverManager.getConnection(DriverManager.java:582)

at java.sql.DriverManager.getConnection(DriverManager.java:207)

at org.hibernate.connection.ProxoolConnectionProvider.getConnection(ProxoolConnectionProvider.java:75)

at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)

... 19 more

Caused by: java.sql.SQLException: Access denied for user 'mysqladmin'@'localhost' (using password: YES)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3597)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3529)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:935)

at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4101)

at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1300)

at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2337)

at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2177)

... 39 more

mysql資料庫在Linux上，因添加的使用者不能本地登入，隻能遠端登入，而root使用者隻能本地登入不能遠端登入，是以資料庫連接配接使用者名和密碼都正确的話，就看下IP，把localhost或者127.0.0.1改成伺服器IP就可以了。