I received a request to export a schema from an Oracle12c instance (12.1.0.2) and import the schema into an Oracle 11g instance (11.2.0.2).
These are the errors returned to the screen.
UDI-31626: operation generated ORACLE error 31626
ORA-31626: job does not exist
ORA-39086: cannot retrieve job information
ORA-06512: at "SYS.DBMS_DATAPUMP", line 3326
ORA-06512: at "SYS.DBMS_DATAPUMP", line 4551
ORA-06512: at line 1
These are the errors from the Data Pump master trace file located in directory $ORACLE_BASE/diag/rdbms/sid/SID/trace.
*** 2016-07-13 12:59:59.097
kswsdlaqsub: sub:SYS$SM_SYS svc:SYS.KUPC$C_2_20160713125752 unexpected exception err=604, err2=24010
*** 2016-07-13 13:00:00.257
kswsdlaqsub: sub:SYS$SM_SYS svc:SYS.KUPC$S_2_20160713125752 unexpected exception err=604, err2=24010
I found the following in the data pump import log file.
ORA-39097: Data Pump job encountered unexpected error -30094
ORA-39065: unexpected master process exception in DISPATCH
ORA-30094: failed to find the time zone data file for version 18 in $ORACLE_HOME/oracore/zoneinfo
From the source database (12.1.0.2).
SQL> select * from v$timezone_file;
FILENAME VERSION CON_ID
-------------------- ---------- ----------
timezlrg_18.dat 18 0
From the target database (11.2.0.2).
FILENAME VERSION
-------------------- ----------
timezlrg_14.dat 14