TAB_TEST_04.dmp文件大小不对时的impdp提示

[oracle@y11 ~]$ impdp sys/oracle directory=expdir  dumpfile=TAB_TEST_%U.dmp logfile=TAB_TEST_imp_1010.log exclude=statisticsImport: Release 11.2.0.3.0 - Production on Mon Oct 12 16:53:31 2015Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.UDI-01017: operation generated ORACLE error 1017ORA-01017: invalid username/password; logon deniedUsername: / as sysdbaConnected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsMaster table "SYS"."SYS_IMPORT_FULL_01" successfully loaded/unloadedStarting "SYS"."SYS_IMPORT_FULL_01":  /******** AS SYSDBA directory=expdir dumpfile=TAB_TEST_%U.dmp logfile=TAB_TEST_imp_1010.log exclude=statistics Processing object type TABLE_EXPORT/TABLE/TABLEProcessing object type TABLE_EXPORT/TABLE/TABLE_DATAORA-31693: Table data object "FRONT"."TAB_TEST" failed to load/unload and is being skipped due to error:ORA-31645: unable to read from dump file "/home/oracle/TAB_TEST_04.dmp"ORA-31622: premature end of file at block 1126697Processing object type TABLE_EXPORT/TABLE/INDEX/INDEXProcessing object type TABLE_EXPORT/TABLE/INDEX/FUNCTIONAL_INDEX/INDEXProcessing object type TABLE_EXPORT/TABLE/CONSTRAINT/CONSTRAINTJob "SYS"."SYS_IMPORT_FULL_01" completed with 1 error(s) at 17:05:01