Error Description:
Oracle datapump impdp fails with following error.
impdp dumpfile=exp_TAB_28122011.dmp directory=DATA_PUMP_DIR logfile=exp_TAB_28122011_imp.log job_name=EXP ignore=y
Import: Release 11.2.0.2.0 - Production on Wed Dec 28 06:19:40 2011