I have installed spatial on an Oracle 12C database and I am receiving the error below when using sdo_util.to_wktgeometry. Some of the other sdo_util functions work as expected. I checked the class files and they are all valid. Has anyone else encountered this error.
ORA-29531: no method structToWktJS in class oracle/spatial/util/Adapters
ORA-06512: at "MDSYS.SDO_JAVA_STP", line 350
ORA-06512: at "MDSYS.SDO_UTIL", line 2813
ORA-06512: at "MDSYS.SDO_UTIL", line 2836
29531. 00000 - "no method %s in class %s"
*Cause: An attempt was made to execute a non-existent method in a
Java class.
*Action: Adjust the call or create the specified method.