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via Oracle Community by Olivier Chorier Guest, 1 year ago
Connection could not be allocated because: 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.
via GitHub by pedrovieirasilva
, 7 months ago
The driver could not be loaded: org.postgresql.Driver
via Stack Overflow by Raffaele D'Arco
, 1 year ago
Connection could not be allocated because: DERBY SQL error: ERRORCODE: 40000, SQLSTATE: XJ040, SQLERRMC: Impossibile avviare il database 'sample' con il caricatore di classi sun.misc.Launcher$AppClassLoader@1d44bcfa. Per i dettagli, vedere l'eccezione successiva.::SQLSTATE: XBM0W
via Stack Overflow by Fredy Benavides
, 2 years ago
Connection could not be allocated because: DERBY SQL error: ERRORCODE: 40000, SQLSTATE: XJ041, SQLERRMC: No se ha podido crear la base de datos 'sun-appserv-samples', consulte la excepción siguiente para obtener más información.::SQLSTATE: XBM0X
via Oracle Community by a3828ac4-c7f0-4056-9257-758656c7282f, 1 year ago
Connection could not be allocated because: Invalid Oracle URL specified: OracleDataSource.makeURL
via Java.net JIRA by arunkumar_s, 1 year ago
Connection could not be allocated because: java.net.ConnectException : Error connecting to server localhost on port 1527 with message Connection refused.
com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: 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 com.sun.enterprise.resource.allocator.LocalTxConnectorAllocator.createResource(LocalTxConnectorAllocator.java:110)	at com.sun.enterprise.resource.pool.ConnectionPool.createSingleResource(ConnectionPool.java:907)