[mydb@mydbhost ~]$ expdp post08/post08

Export: Release 11.2.0.1.0 - Production on Thu Apr 6 03:32:28 2017

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Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-31626: job does not exist
ORA-31638: cannot attach to job SYS_EXPORT_SCHEMA_02 for user POST08
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPV$FT_INT", line 428
ORA-39077: unable to subscribe agent KUPC$A_1_20170406033228 to queue "KUPC$C_1_
20170406033228"
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPC$QUE_INT", line 250
ORA-06502: PL/SQL: numeric or value error: character string buffer too small