All Oracle Error Codes
Oracle DBA Forum

Frequent Oracle Errors

TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
table or view does not exist
end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
PL/SQL: numeric or value error string
TNS:protocol adapter error
ORACLE not available
target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
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
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
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

Re: Unix file permissions

Mladen Gogala


Which version are you using?
$ sqlplus /

SQL*Plus: Release - Production on Mon Sep 18 20:46:13 2006

Copyright (c) 1982, 2005, Oracle. All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release - Production
With the Partitioning, OLAP and Data Mining options

SQL> alter system set "_trace_files_public"=true;
alter system set "_trace_files_public"=true
ERROR at line 1:
ORA-02095: specified initialization parameter cannot be modified

SQL> alter system set "_trace_files_public"=true scope=spfile;

System altered.

SQL> Disconnected from Oracle Database 10g Enterprise Edition Release - Production
With the Partitioning, OLAP and Data Mining options
$ stop_oracle
Processing Database instance "10G": log file /oracle/product/10g/shutdown.log
$ start_oracle
Processing Database instance "10G": log file /oracle/product/10g/startup.log

alter session set tracefile_identifier=DERYA;

Session altered.

SQL> alter session set events='10046 trace name context forever, level 12'

SQL> /

Session altered.

SQL> select * from emp;

---------- ---------- --------- ---------- --------- ---------- ----------
   7369 SMITH    CLERK       7902 17-DEC-80     800

   7499 ALLEN    SALESMAN     7698 20-FEB-81     1600     300

   7521 WARD     SALESMAN     7698 22-FEB-81     1250     500

   7566 JONES    MANAGER      7839 02-APR-81     2975

   7654 MARTIN   SALESMAN     7698 28-SEP-81     1250     1400

   7698 BLAKE    MANAGER      7839 01-MAY-81     2850

   7782 CLARK    MANAGER      7839 09-JUN-81     2450

   7788 SCOTT    ANALYST      7566 19-APR-87     3000

   7839 KING     PRESIDENT        17-NOV-81     5000

   7844 TURNER   SALESMAN     7698 08-SEP-81     1500       0

   7876 ADAMS    CLERK       7788 23-MAY-87     1100

   7900 JAMES    CLERK       7698 03-DEC-81     950

   7902 FORD     ANALYST      7566 03-DEC-81     3000

   7934 MILLER   CLERK       7782 23-JAN-82     1300

14 rows selected.

SQL> Disconnected from Oracle Database 10g Enterprise Edition Release - Production
With the Partitioning, OLAP and Data Mining options
$ cd /oracle/product/10g/admin/oracle/udump/
$ ls
10g_ora_2919.trc 10g_ora_2790.trc 10g_ora_3315.trc 10g_ora_3126.trc
10g_ora_2946.trc 10g_ora_2823.trc 10g_ora_4252.trc 10g_ora_3153.trc
10g_ora_3195.trc 10g_ora_2832.trc 10g_ora_6286.trc 10g_ora_3301.trc
10g_ora_3044.trc 10g_ora_3173.trc 10g_ora_6330.trc 10g_ora_3436.trc
10g_ora_3072.trc 10g_ora_3224.trc 10g_ora_6593.trc 10g_ora_3463.trc
10g_ora_3274.trc 10g_ora_3227.trc 10g_ora_3114.trc 10g_ora_3464.trc
10g_ora_6356.trc 10g_ora_4956.trc 10g_ora_3141.trc 10g_ora_3554_DERYA.trc
10g_ora_6383.trc 10g_ora_3288.trc 10g_ora_3300.trc

And, finally:

$ ls -l 10g_ora_3554_DERYA.trc
-rw-r--r-- 1 501 220525 Sep 18 20:50 10g_ora_3554_DERYA.trc

As you can see, it's publicly readable.

Mladen Gogala