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via Stack Overflow by user4789552
, 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 Stack Overflow by Ragini
, 9 months ago
Connection could not be allocated because: java.net.ConnectException: Fehler beim Herstellen der Verbindung zu Server localhost auf Port 1527 mit Meldung Connection refused: connect.
via Stack Overflow by safe
, 1 year ago
Connection could not be allocated because: La longueur de l'ID utilisateur (0) se situe hors de la plage comprise entre 1 et 255.
via Stack Overflow by Unknown author, 2 years ago
Connection could not be allocated because: java.net.ConnectException : erreur lors de la connexion au serveur localhost sur le port 1527 avec le message Connection refused: connect.
via Oracle Community by a3828ac4-c7f0-4056-9257-758656c7282f, 2 years ago
Connection could not be allocated because: Invalid Oracle URL specified: OracleDataSource.makeURL
Empty query.