今天在环境上测试expdp/impdp，环境有10.2.0.5.0，11.2.0.2.0的，11g的环境是从10g升级到11gde .是在impdp的时候都报了错误。
10g报错如下：
> impdp test/test dumpfile=a.dmp directory=true_dump tables=test_table
Import: Release 10.2.0.5.0 - 64bit Production on Tuesday, 29 October, 2013 17:24:12
Copyright (c) 2003, 2007, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-31655: no data or metadata objects selected for job
Master table "TEST"."SYS_IMPORT_TABLE_01" successfully loaded/unloaded
Starting "TEST"."SYS_IMPORT_TABLE_01": test/********@xxxxx
dumpfile=a.dmp directory=a_dump tables=test_table
Job "TEST"."SYS_IMPORT_TABLE_01" successfully completed at 17:24:15
11g报错如下：
> impdp temp_usg/temp_usg directory=expdp_dir dumpfile=a.dmp tables=tet_table
Import: Release 11.2.0.2.0 - Production on Tue Oct 29 19:47:17 2013
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39002: invalid operation
ORA-39166: Object TEMP_USG.TEST_TABLE was not found.
最后尝试使用remap_schema 和tables选项，还是报错。
10g报错：
> impdp test/test dumpfile=a.dmp directory=a_dump remap_schema=trudbo24:test tables=test_table
Import: Release 10.2.0.5.0 - 64bit Production on Tuesday, 29 October, 2013 18:03:40
Copyright (c) 2003, 2007, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-31655: no data or metadata objects selected for job
Master table "TEST"."SYS_IMPORT_TABLE_01" successfully loaded/unloaded
Starting "TEST"."SYS_IMPORT_TABLE_01": test/********@truabp1 dumpfile=a.dmp directory=true_dump remap_schema=trudbo24:test tables=csm_offer
Job "TEST"."SYS_IMPORT_TABLE_01" successfully completed at 18:03:43
11g报错：
Import: Release 11.2.0.2.0 - Production on Tue Oct 29 19:49:32 2013
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39002: invalid operation
ORA-39166: Object TEMP_USG.TEST_TABLE was not found.
最后在tables的地方加上schema名称，可以顺利导入了。
impdp test/test dumpfile=a.dmp directory=a_dump remap_schema=testo24:test tables=testo24.test_table
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Master table "TEST"."SYS_IMPORT_TABLE_01" successfully loaded/unloaded
Starting "TEST"."SYS_IMPORT_TABLE_01": test/********
dumpfile=a.dmp directory=a_dump remap_schema=testo24:test tables=testo24.test_table
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "TEST"."TEST_TABLE" 1.622 MB 1939 rows
Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type TABLE_EXPORT/TABLE/INDEX/INDEX
Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Job "TEST"."SYS_IMPORT_TABLE_01" successfully completed at 18:04:33
查找metalink，也有一个类似的bug，看来只能这样先用了。