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.(ConnectionImpl.java:781) at com.mysql.jdbc.JDBC4Connection.(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.(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.(Socket.java:392) at java.net.Socket.(Socket.java:235) at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254) at com.mysql.jdbc.MysqlIO.(MysqlIO.java:292) ... 56 more