org.hibernate.exception.GenericJDBCException: Cannot open connection
	at org.hibernate.exception.ErrorCodeConverter.handledNonSpecificException(ErrorCodeConverter.java:92)
	at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:80)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:301)
	at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:110)
	at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:88)
	at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1162)
	at org.hibernate.loader.Loader.doQuery(Loader.java:390)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:218)
	at org.hibernate.loader.Loader.loadEntity(Loader.java:1345)
	at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:116)
	at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:101)
	at org.hibernate.loader.entity.BatchingEntityLoader.load(BatchingEntityLoader.java:82)
	at org.hibernate.persister.entity.BasicEntityPersister.load(BasicEntityPersister.java:2471)
	at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:351)
	at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:332)
	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:113)
	at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:167)
	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79)
	at org.hibernate.impl.SessionImpl.get(SessionImpl.java:621)
	at org.hibernate.impl.SessionImpl.get(SessionImpl.java:614)
	at wfswk.vegyes.perz.AlapDAO.betoltes(AlapDAO.java:35)
	at hu.wfs.hvez.vezerles.HelyszinOldal.egyediOldalVezerles(HelyszinOldal.java:36)
	at wfswk.vezerles.AbsztraktOldal.processRequest(AbsztraktOldal.java:59)
	at wfswk.vezerles.AbsztraktOldal.doGet(AbsztraktOldal.java:101)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	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:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:223)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:311)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:793)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:722)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:915)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:701)
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(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:534)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2214)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:781)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:534)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:284)
	at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
	at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
	at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1148)
	at org.apache.commons.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:79)
	at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:59)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:298)
	... 38 more
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(NativeConstructorAccessorImpl.java:57)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:534)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:343)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2140)
	... 55 more
Caused by: java.net.NoRouteToHostException: Nincs útvonal a gép felé
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:385)
	at java.net.Socket.connect(Socket.java:546)
	at java.net.Socket.connect(Socket.java:495)
	at java.net.Socket.<init>(Socket.java:392)
	at java.net.Socket.<init>(Socket.java:235)
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:292)
	... 56 more