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via Oracle Community by 530677, 1 year ago
Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found The Connection descriptor used by the client was: localhost:1521:XE
via Oracle Community by 100179, 1 year ago
Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found The Connection descriptor used by the client was: dbpc:1521:XE
via Oracle Community by 573643, 1 year ago
Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor The Connection descriptor used by the client was: //alpha:1521/orcl2
via Oracle Community by Saurabh Gupta-OC, 1 year ago
Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor The Connection descriptor used by the client was: dw01-scan.viva.com.kw:1521:exadev
via Stack Overflow by maach
, 2 years ago
Io exception: The Network Adapter could not establish the connection at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
via Oracle Community by Greenec-Oracle, 1 year ago
Listener refused the connection with the following error: ORA-12519, TNS:no appropriate service handler found The Connection descriptor used by the client was: localhost:1521:XE
java.sql.SQLException: Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
The Connection descriptor used by the client was:
localhost:1521:XE	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:380)	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:401)	at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:441)	at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165)	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:839)