ORACLE not available!problem in connecting the oracle-xe-10g.

SQL> conn
Enter user-name: chris
Enter password:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
SQL>

Hi,
I have the same problem during XE installation on Windows 2003 R2 SP 2 Enterprise edition. I have uninstall the oracle xxe and the result still the same. Finally I uninstall the windows and start all over again, surprisingly the result still the same. FYI, we normally has no issue during installation because this is part of our system we sell to our customer which require oracle xe. This is the first time we have seen this issue.
ORA-01034 : Oracle Not available
ORA-27101 : Shared memory realm doesn't exist.
Oracle XE and listener services is started in the windows services.
if we try to do startup the following message occured.
SQL> connect /as sysdba
Connected to an idle instance.
SQL> startup
ORA-44412: XE edition memory parameter invalid or not specified
SQL>I can send you the oracle_xe log, init ora, and OpsBuildAll.log to create the database.
When we compare with the working installation, we saw that the size of oraclexe folder is less, it's just 233MB while the working one is over 1GB. After investigation, found out that the .dbf files is not avaiable in the oradata folder, i have tried to copy those files from the working one but the problem stay the same, probably there are a lot of files more missing.
Appreciate your help on this.
Thanks,
Agus

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Hi,
What U mean with oracle not available?.
Just do the following setps:
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Problem by startup Oracle 8i!!And Error Code: ORA 01034-ORACLE not available!!

Hello all!
I need urgent help!!
I'm trying to start Oracle 8.1.6 i on Solaris 8. But there are lot of error:
1. During initialising the database with dbassist, the error Code Error Codes: ORA 01034-"ORACLE not available" and ORA-01012-"not logged on" were shown.
2. I'm trying to start Oracle 8i on Sun Solaris 8 by typing svrmgrl-connect interal-startup. But the following was shown on by screen:
passau% svrmgrl
Oracle Server Manager Release 3.1.6.0.0 - Production
Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved.
Oracle8i Enterprise Edition Release 8.1.6.0.0 - Production
With the Partitioning option
JServer Release 8.1.6.0.0 - Production
SVRMGR> connect internal
Connected.
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LRM-00109: could not open parameter file '?/dbs/[email protected]'
ORA-01078: failure in processing system parameters
Please help me!!
My e-mail Adress: [email protected]

I am pretty sure this has to do with the SGA..
what you may have to do is adjust you
system file
Here the values for /etc/system file: for more info look under
Oracle specific parameters (documetation) set shmsys:shminfo_shmmax=122496729 set semsys:seminfo_semmap=150 set semsys:seminfo_semopm=100 set semsys:seminfo_semvmx=12767 set semsys:seminfo_semmni=200 set semsys:seminfo_semmns=200 set semsys:seminfo_semmsl=200 set semsys:seminfo_semmnu=200 set semsys:seminfo_semume=100 set shmsys:shminfo_shmmin=100 set shmsys:shminfo_shmmni=100 set shmsys:shminfo_shmseg=100
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ORA-01034: ORACLE not available when connect with connect string

Hi,
Database version is- 10.1.0.5.0 on Veritas Cluster, We are able to connect without giving connect string. but when we provide connect string as orcl it gives
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
when we do tnsping it works
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TNS Ping Utility for Linux: Version 10.1.0.5.0 - Production on 08-MAY-2013 15:00:40
Copyright (c) 1997, 2003, Oracle. All rights reserved.
Used parameter files:
/D01/OIDTEST/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = cluster_hostname)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl.test.com)))
OK (0 msec)
tnsnames.ora entry :-
ORCL =
(DESCRIPTION =
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(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl.test.com)
listener.ora entry:-
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = orcl.test.com)
(ORACLE_HOME = /D01/OID)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = cluster_hostname)(PORT = 1521))
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
listener log contains
08-MAY-2013 14:47:03 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl.test.com)(CID=(PROGRAM=sqlplus)(HOST=physical_hostname)(USER=oraprod))) * (ADDRESS=(PROTOCOL=tcp)(HOST=xx.yy.zz.xx)(PORT=63969)) * establish * orcl.test.com * 0
08-MAY-2013 14:50:49 * ping * 0
08-MAY-2013 14:51:21 * 12502
TNS-12502: TNS:listener received no CONNECT_DATA from client
WARNING: Subscription for node down event still pending
08-MAY-2013 14:51:33 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=physical_hostname)(USER=oraprod))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=168822016)) * status * 0
can you please advice.
Thanks
Edited by: user10702579 on May 8, 2013 11:09 AM

Hi,
lsnrctl services
LSNRCTL for Linux: Version 10.1.0.5.0 - Production on 09-MAY-2013 08:26:47
Copyright (c) 1991, 2004, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=cluster_hostname.test.com)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
The command completed successfully
$
Thanks

If "ORACLE not available" how to refresh connection pool

Hi,
Sometimes i'm getting this error "ORACLE not available" , but the connection pool was not refreshigng.
so after the oracle connection comes, my program is using old connection in pool and not picking the data from the database, until i restart the tomcat server.
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i got the answer
Have to specify the query �select 1 from dual� in validation query column.

Can't connect via sqlnet - oracle not available

Having trouble connecting to the database via sql*net. I'm executing sqlplus from the database machine. Connection works if I don't specify a SID in the sqlplus arguments (ie. sqlplus tbils/xxx), so the instance is up and available; but does not work if I give a SID:
$sqlplus tbils/xxx@bils
SQL*Plus: Release 10.1.0.3.0 - Production on Wed Jun 8 13:10:54 2005
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
tnsping works:
$tnsping bils
TNS Ping Utility for Linux: Version 10.1.0.3.0 - Production on 08-JUN-2005 13:14:50
Used parameter files:
/work/software/oracle/app/oracle/product/10.1.0/Db_2/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.107)(PORT = 1521)) (CONNECT_DATA = (SID = BILS)))
OK (0 msec)
Here are the contents of tnsnames.ora:
BILS =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.107)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = BILS)
listener.ora:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(ORACLE_HOME = /work/software/oracle/app/oracle/product/10.1.0/Db_2)
(SERVICE_NAME = BILS)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.107)(PORT = 1521))
sqlnet.ora:
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
and relevant environment:
ORACLE_SID=BILS
ORACLE_BASE=/work/software/oracle/app/oracle
ORACLE_HOME=/work/software/oracle/app/oracle/product/10.1.0/Db_2
TNS_ADMIN=/work/software/oracle/app/oracle/product/10.1.0/Db_2/network/admin
Anyone have an idea as to what's wrong or what file it's looking for?
Thanks!

Do you have a NAMES.DEFAULT_DOMAIN in your SQLNET.ora file?

Oracle not Available, Shared Memory realm doesn't exist

Hi,
I have problem during XE installation on Windows 2003 R2 SP 2 Enterprise edition. I have uninstall the oracle xe and the result still the same. Finally I uninstall the windows and start all over again, surprisingly the result still the same. FYI, we normally has no issue during installation because this is part of our system we sell to our customer which require oracle xe. This is the first time we have seen this issue.
ORA-01034 : Oracle Not available
ORA-27101 : Shared memory realm doesn't exist.
Oracle XE and listener services is started in the windows services.
if we try to do startup the following message occured.
SQL> connect /as sysdba
Connected to an idle instance.
SQL> startup
ORA-44412: XE edition memory parameter invalid or not specified
SQL>
I can send you the oracle_xe log, init ora, and OpsBuildAll.log to create the database.
When we compare with the working installation, we saw that the size of oraclexe folder is less, it's just 233MB while the working one is over 1GB. After investigation, found out that the .dbf files is not avaiable in the oradata folder, i have tried to copy those files from the working one but the problem stay the same, probably there are a lot of files more missing.
Appreciate your help on this.
Thanks,
Agus

Hi,
Please find the log below
SQL> startup nomount pfile="C:\oraclexe\app\oracle\product\10.2.0\server\config\scripts\init.ora";
ORA-44412: XE edition memory parameter invalid or not specified
SQL> @C:\oraclexe\app\oracle\product\10.2.0\server\config\scripts\rmanRestoreDatafiles.sql;
SQL> set echo off;
select TO_CHAR(systimestamp,'YYYYMMDD HH:MI:SS') from dual
ERROR at line 1:
ORA-01034: ORACLE not available
declare
ERROR at line 1:
ORA-01034: ORACLE not available
select TO_CHAR(systimestamp,'YYYYMMDD HH:MI:SS') from dual
ERROR at line 1:
ORA-01034: ORACLE not available
Connected to an idle instance.
SQL> spool C:\oraclexe\app\oracle\product\10.2.0\server\config\log\cloneDBCreation.log
I have css log as well if you are interesting to see.
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Tue Mar 20 14:13:29 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5308M/6133M, Ph+PgF:7152M/8000M, VA:1933M/2047M
Tue Mar 20 14:13:29 2012
Starting ORACLE instance (normal)
Tue Mar 20 14:13:30 2012
Starting ORACLE instance (normal)
Tue Mar 20 14:13:31 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Tue Mar 20 19:43:31 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5351M/6133M, Ph+PgF:7150M/8000M, VA:1932M/2047M
Tue Mar 20 19:43:31 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Tue Mar 20 19:55:39 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5254M/6133M, Ph+PgF:7052M/8000M, VA:1932M/2047M
Tue Mar 20 19:55:39 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 05:23:41 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5259M/6133M, Ph+PgF:6894M/8000M, VA:1932M/2047M
Wed Mar 21 05:23:41 2012
Starting ORACLE instance (normal)
Wed Mar 21 05:29:12 2012
Starting ORACLE instance (normal)
Wed Mar 21 05:31:42 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 05:50:45 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5143M/6133M, Ph+PgF:6768M/8000M, VA:1932M/2047M
Wed Mar 21 05:50:45 2012
Starting ORACLE instance (normal)
Wed Mar 21 06:02:38 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 06:04:03 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5205M/6133M, Ph+PgF:6866M/8000M, VA:1944M/2047M
Wed Mar 21 06:04:03 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 06:06:00 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5195M/6133M, Ph+PgF:6837M/8000M, VA:1944M/2047M
Wed Mar 21 06:06:00 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 06:06:11 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5195M/6133M, Ph+PgF:6836M/8000M, VA:1944M/2047M
Wed Mar 21 06:06:11 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 06:06:40 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5191M/6133M, Ph+PgF:6832M/8000M, VA:1944M/2047M
Wed Mar 21 06:06:40 2012
Starting ORACLE instance (normal)
Dump file c:\oraclexe\app\oracle\admin\xe\bdump\alert_xe.log
Wed Mar 21 06:07:18 2012
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows NT Version V5.2 Service Pack 2
CPU : 24 - type 586, 2 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:5191M/6133M, Ph+PgF:6831M/8000M, VA:1932M/2047M
Wed Mar 21 06:07:18 2012
Starting ORACLE instance (normal)
Wed Mar 21 06:07:38 2012
Shutting down instance (abort)
Wed Mar 21 06:07:51 2012
Starting ORACLE instance (normal)
Wed Mar 21 06:13:31 2012
Starting ORACLE instance (normal)
I have finished installing the XE on windows but result is the same, dbf file is not created on oradata folder.
Thanks,
Agus

ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exi

Hi all,
suddenly our oracle 10g database stopped working. When we tried export the database following was the output
C:\Documents and Settings\Administrator>EXP PMIS/PMIS FILE=C:\PMIS.DMP
Export: Release 10.2.0.1.0 - Production on Wed Mar 25 16:15:08 2009
Copyright (c) 1982, 2005, Oracle. All rights reserved.
EXP-00056: ORACLE error 1034 encountered
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
EXP-00005: all allowable logon attempts failed
EXP-00000: Export terminated unsuccessfullyalert log file had the output as
Wed Mar 25 16:02:12 2009
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 2
Using LOG_ARCHIVE_DEST_10 parameter default value as USE_DB_RECOVERY_FILE_DEST
Autotune of undo retention is turned on.
IMODE=BR
ILAT =10
LICENSE_MAX_USERS = 0
SYS auditing is disabled
ksdpec: called for event 13740 prior to event group initialization
Starting up ORACLE RDBMS Version: 10.2.0.1.0.
System parameters with non-default values:>sessions = 49
>__shared_pool_size = 71303168
>__large_pool_size = 8388608
>__java_pool_size = 4194304
>__streams_pool_size = 0
>spfile = C:\ORACLEXE\APP\ORACLE\PRODUCT\10.2.0\SERVER\DBS\SPFILEXE.ORA
>sga_target = 146800640
>control_files = C:\ORACLEXE\ORADATA\XE\CONTROL.DBF
>__db_cache_size = 58720256
>compatible = 10.2.0.1.0
>db_recovery_file_dest = C:\oraclexe\app\oracle\flash_recovery_area
>db_recovery_file_dest_size= 10737418240
>undo_management = AUTO
>undo_tablespace = UNDO
>remote_login_passwordfile= EXCLUSIVE
>dispatchers = (PROTOCOL=TCP) (SERVICE=XEXDB)
>shared_servers = 4
>job_queue_processes = 4
>audit_file_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\ADUMP
>background_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\BDUMP
>user_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\UDUMP
>core_dump_dest = C:\ORACLEXE\APP\ORACLE\ADMIN\XE\CDUMP
>db_name = XE
>open_cursors = 300
>os_authent_prefix =
>pga_aggregate_target = 41943040
PMON started with pid=2, OS id=1632
PSP0 started with pid=3, OS id=1312
MMAN started with pid=4, OS id=200
DBW0 started with pid=5, OS id=1864
LGWR started with pid=6, OS id=188
CKPT started with pid=7, OS id=1328
SMON started with pid=8, OS id=1848
RECO started with pid=9, OS id=1760
CJQ0 started with pid=10, OS id=1920
MMON started with pid=11, OS id=768
MMNL started with pid=12, OS id=948
Wed Mar 25 16:02:13 2009
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 4 shared server(s) ...
Oracle Data Guard is not available in this edition of Oracle.
Wed Mar 25 16:02:13 2009
alter database mount exclusive
Wed Mar 25 16:02:17 2009
Setting recovery target incarnation to 2
Wed Mar 25 16:02:17 2009
Successful mount of redo thread 1, with mount id 2563569989
Wed Mar 25 16:02:17 2009
Database mounted in Exclusive Mode
Completed: alter database mount exclusive
Wed Mar 25 16:02:17 2009
alter database open
Wed Mar 25 16:02:18 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_lgwr_188.trc:
ORA-00600: internal error code, arguments: [3700], [1], [15], [2], [2], [], [], []
Wed Mar 25 16:02:18 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_lgwr_188.trc:
ORA-00600: internal error code, arguments: [3700], [1], [15], [2], [2], [], [], []
Wed Mar 25 16:02:18 2009
LGWR: terminating instance due to error 470
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_dbw0_1864.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_ckpt_1328.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_psp0_1312.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_mman_200.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_pmon_1632.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_reco_1760.trc:
ORA-00470: LGWR process terminated with error
Wed Mar 25 16:02:19 2009
Errors in file c:\oraclexe\app\oracle\admin\xe\bdump\xe_smon_1848.trc:
ORA-00470: LGWR process terminated with error
Instance terminated by LGWR, pid = 188Again when we tried by connecting sqlplus following was output
SQL> connect sys/manager as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 146800640 bytes
Fixed Size 1286220 bytes
Variable Size 83890100 bytes
Database Buffers 58720256 bytes
Redo Buffers 2904064 bytes
Database mounted.
ORA-03113: end-of-file on communication channelWe actually need database dump for user PMIS, any help would be highly appreciated

Hi Wim
You should say that "It may be Control File problem", but you shouldn't say that "it's due to Control File" problem
Please refer to Errors Documentation for more information on ORA-00600
http://download.oracle.com/docs/cd/B19306_01/server.102/b14219/e0.htm#sthref371
ORA-00600: internal error code, arguments: [string], [string], [string], [string], [string], [string], [string], [string]
Cause: This is the generic internal error number for Oracle program exceptions. This indicates that a process has encountered an exceptional condition.
Action: Report as a bug - the first argument is the internal error number
Kamran Agayev A. (10g OCP)
http://kamranagayev.wordpress.com

Oracle not available on redhat linux 7.0

Hello frineds ,
I successfully install oracle 9iAPS on RedHat Linux 7.0 , My purpose to run oracle 8.1.7
and it was done successfully , But getting a problem while creating database
1. :- dbassist and copy database from cdrom but at the end approximately 80 % to 82%
it give me error oracle not available or end-of-file on communication channel
2:- SVRMGRL while connection as internal/oracle and tried to create database it give me error like
ORACLE NOT AVAILABLE

Hi
At windows You must create a service to hadle oracle threads. On linux this is not working in same way, You do not need a "service" to bind thread or process to it.
simple set environment variables
and start sqlpus session with create database command, and so on.
Maybe You should read oracle admin guide for linux.

O1034 Oracle not available error

Right, I'm running on a Windows Xp platform, I've installed ok and it runs ok. I have manually altered the password of user HR from within sqlplus, and everything is fine.The problem comes when I switch off and switch back on, I am unable to start the database.
Running sqlplus system/password gives me ORA-01034 Oracle not available and ORA-27101: Shared memory realm does not exist.
I have tried running stobdb.bat and startdb.bat which both run ok, but I still get the oracle not available error when going into sqlplus. It seems that the PC does not install the oracle set up on booting perhaps? I also cannot access the "Go to database home page", from my web browser, but I'm not sure if it is necessary to access that home page?

We are seeing this a little bit, and not sure what is causing it at this stage. Starting the database manually seems to help, or at least points to the root cause problems.
The steps to start the database manually are posted at Re: ORA-01033 after starting and trying to connect. and also posted below
To shutdown manually go to the SQL Command Line (as the OS user that installed Oracle).
At the SQL Prompt SQL> issue
connect / as sysdba
For example
SQL> connect / as sysdba
Connected.
Then type
shutdown immediate;
You should see the following
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
Then type
startup
You should see the following
SQL> startup
ORACLE instance started.
Total System Global Area 599785472 bytes
Fixed Size 1249348 bytes
Variable Size 192942012 bytes
Database Buffers 402653184 bytes
Redo Buffers 2940928 bytes
Database mounted.
Database opened.
Just to be sure, also try a select
select count(*) from hr.employees;
You should see
SQL> select count(*) from hr.employees;
COUNT(*)
107
Any problems or errors reported with any of these steps, please let us know.

I was facing problem while connecting to oracle database.Can some one help me soon!!!!!

Hi all,
I was facing problem from last week.Suddenly i was getting ora-12505 error while connecting to the database through toad.I tried to change tnsnames.ora & listener.ora in multiple ways,but no luck...Inspite i was getting different errors like ora - 01034: ORACLE not available / ora - 27101: shared memory realm does not exist...When i try to connect using sys / sys as sysdba,connection is establishing and when issue the command startup it was throwing the error ORA-01821: date format not recognized......Fed up solving these issues....Can some one help me out...It's very very urgent..
Thanks in advance,
pavankumar.

Well, the obviously solution is to use separate Apple ID's for iCloud.

Urgent! Error: ORA-01034 Oracle not available for Oracle10gi

I have used SQL*Plus for a while, but recently when I try to login there is this error message:
Error:
ORA-01034 ORACLE not available
ORA-27101 shared memory realm does not exist
I had search for the solution quite a while. I changed the "sqlnet.ora" from C:\OraHome_1\NETWORK\ADMIN
I changed SQLNET.AUTHENTICATION_SERVICES=NT; to SQLNET.AUTHENTICATION_SERVICES=NONE and then reboot the machine.
The weird thing is that sometimes it works after I reboot the machine, but recently this just doesn't work any more. The SQL*Plus generates the same error message as I wrote above.
It seems like this kind of problem has troubled lots of oracle database users. IS this a bug that exists in the Oracle10gi?
Or does Oracle10gi require to run on certain operating system platform like Windows XP Professional but does not support for Windows XP Home Edition?
Can the Oracle company provide some error solution guide for the public for their own system?
many thanks

No this specific error message is not a result of an Oracle bug to my knowledge.
In my experience it is a simple matter of not using Oracle correctly. Only it is not that simple from a pure end-user perspective as Oracle is not a mickey mouse little filing system that pretends to be a database (like MS Access).
Which makes sense. After all, driving a bicycle does not mean one is able to get on a superbike. And if you respond "what!! why is it a superbike!?" then you need a bicycle in the first place.
The cause of the error you list - the client is making a local IPC dedicated server connection to the Oracle instance. This fails as the dedicated server cannot find the Oracle SGA (shared memory area) to attached to. This is usually the result of
a) the Oracle instance is down (and thus the SGA does not exist)
b) the ORACLE_SID used by the client is incorrect (and thus it attempts to attach to a non-existant SGA)
Reason (a) could be caused by some underlaying issue that results in the Oracle instance shutting down automatically or unintentionally.
As for what Oracle 10G requires operating system wise. There are detailed platform certification matrixes on the Oracle web site. In addition, the INSTALLATION notes of Oracle also specifies what platforms are supported.
You also fail to mention the exact Oracle product you're running. Oracle XE is different than Oracle Standard Edition which is different than Oracle Enterprise Edition.
There is btw a dedicated support forum here for Oracle XE - and this one ain't it.

URGENT-ORACLE not available

Hi,
I'm using Oracle 8i and Windows 2000.
Until now, i didn't have any problem.
Today when i tried to connect to the database many times, but i have problem.
I dont't have any connection and one message it appears
ORA-01034 ORACLE not available
i saw the reference for the error messages :
cause: Oracle was not started. Possible causes include the following:
- The SGA requires more space than was allocated fot it.
- The operating-system variable pointing to the instatnce is improperly defined.
BUT I DONT'T KNOW WHAT TO DO, CAN ANYONE HELP ME?
THANKS IN ADVANCE.
APOSTOLIS
HATZIYANNIS

Start the database.
sqlplus "/ as sysdba"
SQL>startup ;
Good luck,
Fred

ORA-01034: ORACLE not available...WHY?!?!?!?

I have spent the whole day on metalink, OTN, everywhere trying to figure this out. I need your guys expertise now. When I create the DB on my HP-Unix server, it creates fine, but when I try and connect to it as SYS or SYSTEM, I get the following error:
oracle9@cs08> export ORACLE_SID=rmancat
oracle9@cs08> echo $ORACLE_SID
rmancat
oracle9@cs08> sqlplus /nolog
SQL*Plus: Release 9.2.0.4.0 - Production on Tue Sep 6 16:40:24 2005
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> conn / as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 202862456 bytes
Fixed Size 737144 bytes
Variable Size 167772160 bytes
Database Buffers 33554432 bytes
Redo Buffers 798720 bytes
Database mounted.
Database opened.
SQL> conn system/manager
Connected.
SQL> select name from v$database;
NAME
RMANCAT
SQL> conn system/manager@rmancat
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
HP-UX Error: 2: No such file or directory
Warning: You are no longer connected to ORACLE.
SQL>
Here are the steps that I did when I created the DB.
1. in the host I ran:
orapwd file=/appl/oracle/product/9.2.0/dbs/orapwrmancat password=password entries=5
2. Then I did the following.
oracle9@cs08> export ORACLE_SID=rmancat
oracle9@cs08> echo $ORACLE_SID
rmancat
oracle9@cs08> sqlplus /nolog
SQL*Plus: Release 9.2.0.4.0 - Production on Tue Sep 6 16:40:24 2005
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> conn / as sysdba
Connected to an idle instance.
SQL>@/rmancat/createdb.sql
3. After this, I ran the catalog.sql, catproc.sql and catexp.sql
4. That's all.
So when I try and connect to the DB as a DB user, I get:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
HP-UX Error: 2: No such file or directory
What happened to this. On metalink it tells me that my ORACLE_HOME and ORACLE_SID are wrong but I verified this 3 times. I am running both ver. 8i and 9i. Here are the values for ORACLE_BASE, ORACLE_HOME,
oracle9@cs08> export ORACLE_SID=rmancat
oracle9@cs08> echo $ORACLE_SID
rmancat
oracle9@cs08> echo $ORACLE_HOME
/appl/oracle/product/9.2.0
oracle9@cs08> echo $ORACLE_BASE
/appl/oracle
oracle9@cs08>
Any advice?

Hi,
Seems to me you have problem with the memory
I also fased this problem on AIX and i have solved it by the following steps
ipcs b ----TO SE THE PROCESSES
Kill the oracle process
ipcrm -m 1601 (1601 is process id.)
and restart your database.
Most of the time this error will come if you are running more than one database on one machine.
Regards,
Umair

ORACLE not available!problem in connecting the oracle-xe-10g.

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