Problemas ao conectar mysql nas nuverns usando tomcat e eclipse

bom dia

alguem poderia me ajudar?

estou tentando inserir dados em uma tabela banco mysql nas nuvens mas esta dando o seguinte erro.

estou usando eclipse + tomcat 7

obrigado
ConectadoException in thread “main” java.sql.SQLException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

at br.com.ProjetoJSF.conexao.CriarConexao.getConexao(CriarConexao.java:21)

at br.com.ProjetoJSF.conexao.Main.main(Main.java:12)

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

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

at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

at java.lang.reflect.Constructor.newInstance(Unknown Source)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)

at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:988)

at com.mysql.jdbc.MysqlIO.(MysqlIO.java:341)

at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251)

at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)

at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:806)

at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)

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

at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

at java.lang.reflect.Constructor.newInstance(Unknown Source)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at br.com.ProjetoJSF.conexao.CriarConexao.getConexao(CriarConexao.java:17)

… 1 more

Caused by: java.net.ConnectException: Connection timed out: connect

at java.net.DualStackPlainSocketImpl.connect0(Native Method)

at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)

at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)

at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)

at java.net.AbstractPlainSocketImpl.connect(Unknown Source)

at java.net.PlainSocketImpl.connect(Unknown Source)

at java.net.SocksSocketImpl.connect(Unknown Source)

at java.net.Socket.connect(Unknown Source)

at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)

at com.mysql.jdbc.MysqlIO.(MysqlIO.java:300)

… 16 more

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