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Oracle Error Code List

Posted by Akash Padhiyar On August - 8 - 2010

A List of All Oracle Error Codes

Error Cause Action
1 ORA Error In an attempt to make a basic peer-to-peer (single protocol network) connection.
  1. Verify that the Database Is Running.
  2. Perform a Loopback Test.
  3. Check that same protocol support is installed as on the database server.
  4. Check base connectivity for underlying network transport.
2 ORA-00001: unique constraint ( constraint_name ) violated Trying to execute an INSERT or UPDATE statement that has created a duplicate value in a field restricted by a unique index
  1. Drop the unique constraint
  2. Change the constraint to allow duplicate values
  3. Modify your SQL so that a duplicate value is not created
3 ORA-00054: resource busy and acquire with NOWAIT specified Trying to execute a LOCK TABLE or SELECT FOR UPDATE command with the NOWAIT keyword but the resource was unavailable.
  1. Wait and try the command again after a few minutes.
  2. Execute the command without the NOWAIT keyword.
4 ORA-00060: deadlock detected while waiting for resource Trying to execute a statement, but your session was deadlocked because another session had the same resource locked. The statement(s) that you tried to execute have been rolled back.
  1. You can wait a few minutes and try to re-execute the statement(s) that were rolled back.
  2. You can execute a ROLLBACK and re-execute all statements since the last COMMIT was executed.
5 ORA-00200: controlfile could not be created It was not possible to create the controlfile. Check that there is sufficient disk space and no conflicts in filenames and try to create the controlfile again.
6 ORA-00312: online log string thread string: `string` This message reports the filename for details of another message. See the associated messages for the appropriate action to take.
7 ORA-00235: control file fixed table inconsistent due to concurrent update Concurrent update activity on a control file caused a query on a control file fixed table to read inconsistent information. Retry the operation.
8 ORA-00313: open failed for members of log group string of thread string The online log cannot be opened. May not be able to find file. See accompanying errors and make log available.
9 ORA-00320: cannot read file header from log string of thread string The file is not available. Restore the log file.
10 ORA-00321: log string of thread string, cannot update log file header Cannot write to the log file. Restore the access to the file.
11 ORA-00396: error string required fallback to single-pass recovery The indicated error caused two-pass instance or crash recovery to fail. Recovery was retried with an alternate (slower) method to avoid the error. Correct the cause of the indicated error (also recorded) so that future instance or crash recovery can succeed with the two-pass algorithm. This usually requires making more main memory available to the recovery process.
12 ORA-12154: TNS:could not resolve the connect identifier specified You tried to connect to Oracle, but the service name is either missing from the TNSNAMES.ORA file or is incorrectly defined.
  1. Make sure that the TNSNAMES.ORA file exists and is in the correct directory.
  2. Make sure that the service name that you are connecting to is included in the TNSNAMES.ORA file and that it is correctly defined.
  3. Make sure that there are no syntax errors in the TNSNAMES.ORA file. For example, if there are unmatched brackets in the file, the file will be rendered unusable.
13 ORA-06512: at stringline string Backtrace message as the stack is unwound by unhandled exceptions.
  1. Fix the problem causing the exception or write an exception handler for this condition.
  2. Contact your application administrator or DBA.
14 ORA-00904: invalid column name Trying to execute a SQL statement that included an invalid column name or the column name is missing.
  1. The column name must begin with a letter.
  2. The column name can not be longer than 30 characters.
  3. The column name must be made up of alphanumeric characters or the following special characters:  $, _, and #. If the column name uses any other characters, it must be enclosed in double quotation marks.
  4. The column name can not be a reserved word.
15 ORA-01722: invalid number You executed an SQL statement that tried to convert a string to a number, but it was unsuccessful.
  1. Only numeric fields or character fields that contain numeric values can be used in arithmetic operations. Make sure that all expressions evaluate to numbers.
  2. If you are adding or subtracting from dates, make sure that you added/substracted a numeric value from the date.
16 ORA-00600: internal error code; arguments: [string], [string], [string], [string], [string], [string], [string], [string] This is the generic internal error number for Oracle program exceptions. This indicates that a process has encountered an exceptional condition. Report as a bug – the first argument is the internal error number
17 ORA-00936: missing expression Trying to execute a SQL statement but you omitted a part of the syntax. This error most commonly occurs when you try to execute a SELECT statement and forget to the list of the columns in the SELECT statement.
18 ORA-01034: Oracle not available Oracle is not started up. Possible causes may be that either the SGA requires more space than was allocated for it or the operating-system variable pointing to the instance is improperly defined.
  1. Refer to accompanying messages for possible causes and correct the problem mentioned in the other messages.
  2. If Oracle has been initialized, then on some operating systems, verify that Oracle was linked correctly.
  3. See the platform specific Oracle documentation.
19 ORA-12545: Connect failed because target host or object does not exist The address specified is not valid, or the program being connected to does not exist.
  1. Ensure the ADDRESS parameters have been entered correctly.
  2. Ensure that the executable for the server exists.
  3. If the protocol is TCP/IP, edit the TNSNAMES.ORA file to change the host name to a numeric IP address and try again.
20 ORA-00942: table or view does not exist
  1. SQL statement is executed that references a table or view that either does not exist.
  2. You do not have access to the table or view, or the table or view belongs to another schema and you didn’t reference the table by the schema name.
  1. If this error occurred because the table or view does not exist, you will need to create the table or view.
  2. If this error occurred because you do not have access to the table or view, you will need to have the owner of the table/view, or a DBA grant you the appropriate privileges to this object.
  3. If this error occurred because the table/view belongs to another schema and you didn’t reference the table by the schema name, you will need to rewrite your SQL to include the schema name.
21 ORA-03113: end-of-file on communication channel You encountered an unexpected end-of-file on the communication channel.
  1. Check for network problems and review the SQL*Net setup.
  2. Look in the alert.log file for any errors.
  3. Test to see whether the server process is dead and whether a trace file was generated at failure time.
22 ORA-06502: PL/SQL: numeric or value error The

executed statement resulted in an arithmetic, numeric, string, conversion, or constraint error.

Change the data, how it is manipulated, or how it is declared so that values do not violate constraints.
23 ORA-04031: unable to allocate num bytes of shared memory num, num, num Tried

to use more shared memory than was available. SGA private memory has been exhausted.

  1. Reduce your use of shared memory.
  2. Increase the SHARED_POOL_SIZE initialization parameter in the initialization file.
  3. Use the DBMS_SHARED_POOL package to pin large packages.
24 ORA-01756: quoted string not properly terminated A quoted string is not terminated with a single quote mark (‘) Insert the closing quote and retry the statement.
25 ORA-29283: invalid file operation An attempt was made to read from a file or directory that does not exist, or file or directory access was denied by the operating system. Verify file and directory access privileges on the file system, and if reading, verify that the file exists.
26 ORA-00020: maximum number of processes num exceeded All process state objects are in use.
  1. Wait a few minutes and try to re-execute the statement(s).
  2. Shut down Oracle, increase the PROCESSES parameter in the initialization parameter file, and restart Oracle.
27 ORA-12203: TNS:unable to connect to destination
  1. Invalid address specified or destination is not listening.
  2. This error can also occur because of underlying network or network transport problems.
  1. Verify that the net service name you entered was correct.
  2. Verify that the ADDRESS portion of the connect descriptor which corresponds to the net service name is correct.
  3. Ensure that the destination process (for example the listener) is running at the remote node.
28 ORA-01017:  invalid username/password; logon denied Logging into Oracle with an invalid username/password combination. Enter a valid username and password combination in the correct format.
If the username and password are entered together, the format is: username/password
29 ORA-01403: no data found
  1. Executing a SELECT INTO statement and no rows were returned.
  2. Referencing an uninitialized row in a table.
  3. Reading past the end of file with the UTL_FILE package.
Terminate processing of the data.
30 ORA-01033: ORACLE initialization or shutdown in progress An attempt was made to log on while Oracle is being started up or shutdown Wait a few minutes. Then retry the operation.
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