Oracle database error with solution
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This document provides explanations and resolutions for various Oracle database errors. It lists several common error codes like ORA-00001, ORA-00054, ORA-00257, ORA-00600, ORA-12154, and ORA-03113. For each error, it describes the error message, reason, and recommended steps to resolve the issue such as dropping constraints, retrying queries, checking storage space, and reconfiguring tnsnames.ora files. The document is prepared by Ravi Kumar Lanke and spans 6 pages of technical information on Oracle database errors and troubleshooting steps.
Oracle database error with solution
- 1. PREPARED BY RAVI KUMAR LANKE Page 1 Oracle Database Error with solution. Error-:ORA-04031: unable to allocate 32 bytes of shared memory ("shared pool","select decode(failover_metho...","sql area","tmp") Solution-: SQL> alter system flush shared_pool; System altered. Error Code ORA-00001 Error Message ORA-00001: unique constraint (constraint_name) violated Error Reason An INSERT or UPDATE statement execution which violating the unique key constraint on the Table Error Resolution 1)Drop The unique Constraint 2)Allow duplicates by droping the constraint Error Code ORA-00054 Error Message ORA-00054: resource busy and acquire with NOWAIT specified Error Reason An insert or update or select command against a LOCK Table Error Resolution 1)Try to execute the statment after sometime 2)Execute the command with a NOWAIT commands
- 2. PREPARED BY RAVI KUMAR LANKE Page 2 Error Code ORA-00257 Error Message ORA-00257: archiver is stuck. CONNECT INTERNAL only, until freed Error Reason Error occurs at the archival of the redo logs Error Resolution 1)Check the storage space availabilty 2)Check the initialization paramter ARCHIVE_LOG_DEST Error Code ORA-00600 Error Message ORA-00600 Error Reason Internal Error generated by generic kernal code of the Oracle Software Error Resolution Should be reported to oracle support Error Code ORA-12154 Error Message ORA-12154: TNS:could not resolve service name Error Reason This error occurs due to missing tnsnames.ora file or tnsname.ora file not configured properly . Error Resolution Reconfigure the tnsname.ora
- 3. PREPARED BY RAVI KUMAR LANKE Page 3 Error Code ORA-03113 Error Description ORA-03113: end-of-file on communication channel Error - Reason An unexpected end of file occured During communication Error Resolution 1)Check the network may be the network went down 2)check the server may be the server down Error Code ORA-00936 Error Description ORA-00936: missing expression Error - Reason missing sysntax when executing SQL statments Error Resolution 1) Check your statement sytax properly Error Code ORA-01017 Error Description ORA-01017: invalid username/password; logon denied Error - Reason Login activity uisng worng database credentials Error Resolution 1) Enter the login credentials properly Error Code ORA-01555 Error Description ORA-01555: snapshot too old (rollback segment too small) Error - Reason Insufficient Rollback segments Error Resolution 1) Make larger rollback segments
- 4. PREPARED BY RAVI KUMAR LANKE Page 4 Error Code ORA-04031 Error Description ORA-04031: unable to allocate num bytes of shared memory Error - Reason More usage of shared memory than availabe Error Resolution 1. Reduce the use of shared memory availabe. 2. Increase the SHARED_POOL_SIZE paramter Error Code ORA-01031 Error Description ORA-01031: insufficient privileges Error - Reason Due to the lack of the privileges for the login user to thedatabase objects Error Resolution Contact the Oracle DBA for accessing privilages Error Code ORA-01000 Error Description ORA-01000: maximum open cursors exceeded Error - Reason Each user is restricted in using the number of cursors at a time . You may get this error when your cursor limit exeeds the set parameter Error Resolution shut down Oracle database , increase the OPEN_CURSORS parameter in the initialization file, and restart Oracle database . Error Code ORA-12560 Error Description ORA-12560: TNS:protocol adapter error Error - Reason This is an error related to the protocol adaptor Error Resolution Check the Protcol specification
- 5. PREPARED BY RAVI KUMAR LANKE Page 5 Error Code ORA-27101 Error Description ORA-27101: shared memory realm does not exist Error - Reason Unable to locate the shared memory realm Error Resolution Make sure that ORACLE_SID and ORACLE_HOME are correct. A tralling slash on the ORACLE_HOME can cause error ORACLE_HOME=’/home/oracle/prod’ —- Correct ORACLE_HOME=’/home/oracle/prod/’ —-Wrong Error Code ORA-04030 Error Description ORA-04030: out of process memory Error - Reason This is a common error while running import . This error is related to RAM settings. If the server having low RAM and memeory parameters are configured with a high configuration causes this error Error Resolution The best solution is to increase the RAM of the server if your server running with a low RAM other option is to Increasepga_aggregate_target Error Code ORA-00020 Error Description ORA-00020: maximum number of processes (%s) exceeded Error - Reason Maximum number of processes are exceeded than the limit in oracle database Error Resolution Login as SYSDBA and kill the unwanted sessions
- 6. PREPARED BY RAVI KUMAR LANKE Page 6 Error Code ORA-04030 Error Description ORA-04030: out of process memory Error - Reason This is a common error while running import . This error is related to RAM settings. If the server having low RAM and memeory parameters are configured with a high configuration causes this error Error Resolution The best solution is to increase the RAM of the server if your server running with a low RAM other option is to Increasepga_aggregate_target Error Code ORA-04030 Error Description ORA-04030: out of process memory Error - Reason This is a common error while running import . This error is related to RAM settings. If the server having low RAM and memeory parameters are configured with a high configuration causes this error Error Resolution The best solution is to increase the RAM of the server if your server running with a low RAM other option is to Increasepga_aggregate_target