I have to upgrade sqldeveloper to sqldeveloper-21.4.0.346.2239-x64. The last instant client I found is 21.3.0. If I use ocijdbc (thick connect) I get the following error:
java.lang.Error: Incompatible version of libocijdbc[Jdbc:214000, Jdbc-OCI:213000
at oracle.jdbc.driver.T2CConnection$1.run(T2CConnection.java:4484)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.jdbc.driver.T2CConnection.loadNativeLibrary(T2CConnection.java:4479)
at oracle.jdbc.driver.T2CConnection.logon(T2CConnection.java:504)
at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:1042)
at oracle.jdbc.driver.T2CDriverExtension.getConnection(T2CDriverExtension.java:97)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:733)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:649)
...
Which client version does fit ? I did not found Oracle client 21.4.