EXP-00056: ORACLE error 4021 encountered ORA-04021: timeout occurred while
539547Apr 2 2007 — edited Apr 9 2007hi all oracle gurus ,
i have this problem which i am facing its like this.i have a batch file that runs export every night one week back it was all okay .few days back when i looked the log files it gives me this error ---EXP-00056: ORACLE error 4021 encountered
ORA-04021: timeout occurred while waiting to lock object
what should i do this is a production database runing in windows platform and there is no backup pls help me .....
export log file -------
Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
Export done in AL32UTF8 character set and AL16UTF16 NCHAR character set
About to export specified users ...
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user PILOT
. exporting foreign function library names for user FINANCE
. exporting foreign function library names for user MBCNEWS
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user PILOT
. exporting object type definitions for user FINANCE
. exporting object type definitions for user MBCNEWS
About to export PILOT's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
EXP-00056: ORACLE error 4021 encountered
ORA-04021: timeout occurred while waiting to lock object
ORA-06512: at "SYS.DBMS_METADATA", line 1511
ORA-06512: at "SYS.DBMS_METADATA", line 1548
ORA-06512: at "SYS.DBMS_METADATA", line 1864
ORA-06512: at "SYS.DBMS_METADATA", line 3707
ORA-06512: at "SYS.DBMS_METADATA", line 3689
ORA-06512: at line 1
EXP-00000: Export terminated unsuccessfully
robyav