In the datapump import phase you get errors related to tablespace allocation. For example you don't have any more space left at the filesystem. So at the import you have errors:
Import: Release 10.2.0.5.0 - 64bit Production on Wednesday, 25 April, 2012 12:06:16
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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 "SYSTEM"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_FULL_01": system/******** DIRECTORY=DWH_TRANSFER_DIR DUMPFILE=DM1_DM2_TARGET_BILL_DETAIL.dmp parfile=target_bill_par.par
Processing object type TABLE_EXPORT/TABLE/TABLE
ORA-39171: Job is experiencing a resumable wait.
ORA-01658: unable to create INITIAL extent for segment in tablespace STG_TAB
How to restart Datapump
1. In the IMPDP command line, press CTRL-C
to stop the job.
2. At the command line of the import
Are you sure you wish to stop this job ([yes]/no): y
3. Fix the tablespace error
4. Attach again the job. Check sqlplus>SELECT * FROM DBA_DATAPUMP_JOBS;
Use the job name which is something like "SYS_IMPORT_FULL_*"
$impdp system/**** attach=SYS_IMPORT_FULL_01
5. At the command line of the import
6. Check sqlplus>SELECT * FROM DBA_DATAPUMP_JOBS; It is running again.