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Frequent Oracle Errors
•TNS:could not resolve the connect identifier specified
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•PL/SQL compilation error
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•end-of-file on communication channel
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•ORACLE initialization or shutdown in progress
•archiver error. Connect internal only, until freed
•snapshot too old
•unable to extend temp segment by string in tablespace
•Credential retrieval failed
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•unable to create INITIAL extent for segment
•out of process memory when trying to allocate string bytes
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•cannot insert NULL
•TNS:unable to connect to destination
•remote database not found'>ora-02019
•exception encountered: core dump
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•TNS:packet writer failure
•see ORA-12699
•missing right parenthesis
•name is already used by an existing object
•cannot identify/lock data file
•invalid file operation
•quoted string not properly terminated
ORA-01157
ORA-01157:cannot identify/lock data file string - see DBWR trace file
Cause:The background process was either unable to find one of the data files or failed to lock it because the file was already in use. The database will prohibit access to this file but other files will be unaffected. However the first instance to open the database will need to access all online data files. Accompanying error from the operating system describes why the file could not be identified.
Action:Have operating system make file available to database. Then either open the database or do ALTER SYSTEM CHECK DATAFILES.
Posts about ORA-01157

-none-

Tanel. ----- Original Message ----- From "Koen Van Langenhove " <Koen.Van_Langenhove@(protected) > To <oracle-l@(protected) > Sent Friday December 23 2005 9 38 AM Subject backup of offline drop

backup of offline dropped datafile

Hi First things first - 9.2.0.4 2-node RAC - solaris 8 / sun cluster 3.0 - VxVM 3.2 - production system rather urgent we have this little situation where someone dropped a datafile using 'offline

dba_temp_file vs v$tempfile

Hi All A datafile (temp file of precise tool) has been deleted from os lelel without dropping from database. When I query the dba_temp_files it is showing ERROR at line 1 ORA-01157 cannot ide

Delayed block cleanout and changing automatic undo tablespace

Now the tough one... Tim please take no offense to my questions. It is just that something does not sound right. I have been able to duplicate this type of condition but not under the circumsta
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Oracle Database Server Error Codes
ORA-00020   ORA-00054   ORA-00119   ORA-00279   ORA-00381   ORA-00439   ORA-00600   ORA-00604   ORA-00904   ORA-00907   ORA-00911   ORA-00922   ORA-00923   ORA-00936   ORA-00942   ORA-01000   ORA-01017   ORA-01031   ORA-01033   ORA-01034   ORA-01078   ORA-01092   ORA-01113   ORA-01122   ORA-01161   ORA-01422   ORA-01501   ORA-01555   ORA-01562   ORA-01578   ORA-01650   ORA-01652   ORA-01658   ORA-01722   ORA-01756   ORA-01843   ORA-01925   ORA-01940   ORA-02019   ORA-02097   ORA-02143   ORA-03113   ORA-04030   ORA-04031   ORA-04068   ORA-06502   ORA-06512   ORA-06531   ORA-06550   ORA-07445   ORA-12154   ORA-12203   ORA-12500   ORA-12535   ORA-12540   ORA-12545   ORA-12560   ORA-12599   ORA-12638   ORA-12709   ORA-12838   ORA-12913   ORA-16038   ORA-20000   ORA-24324   ORA-27125   ORA-28575   ORA-28576   ORA-29283   ORA-29540   ORA-32004