How to handle a (Oracle) database restart

Hi,
For a cold backup we stop and start the database.
When using Toplink for database access I've a problem when the database is restarted: "500 Internal Server Error: Exception [TOPLINK-4002] ... oracle.toplink.exceptions.DatabaseException ... Broken Pipe ... etc"
I there a simple solution? (Restarting J2EE App solves the problem but is not our prefered way)
How is this handled when we use BC4J?
Thanks,
Stephan van Hoof

Stephan,
Can you post the configuration you are using (e.g. app server with TL, Java Objects or EJB CMP, version of TL, with out without JDev etc.) and the steps to reproduce the issue?
Thanks,
Anuj Jain

Similar Messages

How can i start oracle databases? i am using Oracle 8.1.6 for linux.

when i run dbstart,it gives me following message:
Database "ora4cweb" warm started.
but when i use sqlplus,it says:
ORA-01034: ORACLE not available
i made a mistake ,i shutdown my linux before i shutdown oracle databases,how can i start oracle databases now?thanks in advance.

try it without the scripts...
login to linux as oracle
start server manager
svrmgrl
connect internal
startup
select sysdate from dual;if that works
exitcheck listener
lsnrctl
statif nothing running type
start
exitnull

How to connect to Oracle database from webdynprojava application

Hi
How to connect to Oracle database from webdynprojava application. where can we provide the code to connect to database.?
Thank You.

Hi,
You need to create Java Bean model. The bean is a typical java bean with default constructor, getter and setter. You can have additional methods for query etc. The attributes in the class will be your model node and attributes.
However you need to configure the connection and create JNDI using visual administrator before writing the code.
You can also consider writing Session EJB with oracle and using them in WD.
http://help.sap.com/saphelp_nwce10/helpdata/en/45/dcaa4f05535591e10000000a1553f7/frameset.htm
Srini

How to create a oracle database by java code?

how to create a oracle database by java code?
please give some ways then that way's code

I'm not sure what you mean with "database". Do you mean an Oracle instance or an Oracle user/schema (probably the latter, because that's the equivalent to a MS SQL Database).
Creating an instance is definitely not possible from within Java. To create a new user this should be possible, as this can be done with SQL:
GRANT connect,resource TO <newuser> IDENTIFIED BY <password>;
I'm always cautious with questions like this. In 90% of the cases there is something wrong with the initial design. Creating a database shouldn't be something the application is doing.
Thomas

How to create an Oracle DATABASE through Java Programming Language.. ?

How to create an Oracle DATABASE through Java Programming Language.. ?

Oracle database administrators tend to be control freaks, especially in financial institutions where security is paramount.
In general, they will supply you with a database, but require you to supply all the DDL scripts to create tables, indexes, views etc.
So a certain amount of manual installation will always be required.
Typically you would supply the SQL scripts, and a detailled installation document too.
regards,
Owen

How can i migrate oracle database data to DB2 database

Hi
how can i migrate oracle database data to db2 database.
can anyone provide me solution.

BTW why do you want to migrate oracle database data to db2 database? Any specific project requirement like Parallel run with Oracle database (e.g data replication)? Or any other issues - Cost? Manageability? Availability? Business requirements?
Do you need to do a day-to-day data transfer or it is for permanent migration?

How to config the oracle database connection pool in IAS

Hi,
Does anyone who hows to config the oracle database connection pool in IAS?
Thanks so much!!!
[email protected]
Jacky

Jacky,
You need do the following for oracle type4 driver:
1) register the driver:
$IAS_HOME/bin/jdbcsetup
Driver Identifier: Oracle_Type4_816 (whatever name you like)
Driver Classname: oracle.jdbc.driver.OracleDriver
Driver Classpath: .../classes12.zip (install this this zip file somewhere
and add this zip into the Classpath later).
2) DataSource Setup:
start iAS Administration Tool (iASAT)
Choose Database, unfold iAS1 (your app server instance),
choose External JDBC Datasource -> add: DataSource Registration
JNDI Name: yourPoolName
Driver Type: Oracle_Type4_816 (select what you just register)
DataSource Url: jdbc:oracle:thin:@hostName:portName:dbName
Username: your_user_name
Password: your_passwd
(Datasource Pool: using defaults for now): you can also customrize the
parameters for the pool.
3. Add classes12.zip into CLASSPATH.
In your application, you can use JNDI lookup to get the DataSource from
which you get the connection from the pool.
Hope this helps.
Good luck.
Xuran
"Jacky Yan" <[email protected]> wrote in message
news:9m0tmp$[email protected]..
Hi,
Does anyone who hows to config the oracle database connection pool in IAS?
Thanks so much!!!
[email protected]
Jacky

How to handle an Oracle error

I want to handle an Oracle Error in my code where the "execute immediate" statement comes to play.
My code goes against several tables
ID_TABLE_08
ID_TABLE_07
ID_TABLE_06
If table does not exist in database (ie: ID_TABLE_05) I get : Oracle Error ORA-0942 table or view does not exist.
How can I capture and handle this error so
1. The code will continue to run getting the next value
2. The bad record still will get written in to a table called bad_table.
v_year := TO_CHAR (pp_eff_dtg (indx), 'yy');
BEGIN
EXECUTE IMMEDIATE
'SELECT DISTINCT ID_number
FROM ID_TABLE_'|| v_year||'
WHERE NAME = :NAME
AND EFFECTIVE_DATE = : EFFECTIVE_DATE
INTO v_ID_number
USING pp_NAME (indx),
pp_eff_dtg (indx);
GOTO END_LOOP;
EXCEPTION
WHEN NO_DATA_FOUND THEN
GOTO INSERT_ADD_RECORD;
END;
Thank you for your help!

if you want to handle a specific oracle error number you can also declare an exception, match that exception to the error number and handle it.
Like this (not syntax checked)
declare
e_table_does_not_exist exception;
pragma exception_init (-942,e_table_does_not_exist); -- I hope I got the parameters in the right order
begin
   EXECUTE IMMEDIATE('select * from ID_TABLE_'|| v_year||' where ...');
exception
   when e_table_does_not_exist then -- handle specific error
       raise_application_error(-20001,'The table ID_TABLE_'|| v_year||' could not be found. Next time enter a valid year!');
end;

How to upgrade from oracle database 10g 10.1.0.3 to 10.1.0.5 or 10.2.0.4

I have a oracle database 10g version 10.1.0.3 on solaris 10 x86. I can't find the recent patches suitable to my database.
How can I upgrade it to 10.1.0.5 or higher (10.2.0.4)?
Thanks.

take a looks at this metalink doc for all upgrade needs...
sub: Complete checklist for manual upgrades of Oracle databases from anyversion to any version on any platform (documents only from 7.3.x>>8.0.x>>8.1.x>>9.0.x>>9.2.x>>10.1.x>>10.2.x>>11.1.x)
Doc ID: 421191.1

How to backup an oracle database?

I am running a oracle server on a windows box.
using the oracle 92 management console and developer tools.
Can someone instruct me on how to create a "job" that will backup my oracle databases on a daily basis?
I am more used to MS-SQL and have no clue how to do it in Oracle.
Thanks

Hi,
this is my weekly script to backup oracle database.
i run it from cron so you can schedule it in win but you must do same change there
#!/bin/bash
. /etc/profile.d/oracle.sh
TMPDIR=/opt/app/oracle/tmp
$ORACLE_HOME/bin/rman target / nocatalog log=$TMPDIR/backup_full_`date +'%Y%m%d_%H%M'`.log >/dev/null 2>&1 <<EOF
set echo on;
show all;
crosscheck archivelog all;
crosscheck backup ;
delete noprompt expired backup device type disk;
backup device type disk database tag='FULL_BACKUP';
backup device type disk archivelog all not backed up;
delete noprompt obsolete device type disk;
exit;
EOF
exit

How to automate the Oracle database start and shutdown process

How we can automate and oracle database start and stop procees with Linux start/shutdown process.
I want to automatically start the oracle database at the time linux server and shutdown the database on shutdown linux server.

Hi,
I can share my scripts:
1) /home/oracle/start_oracle.sh
#Script should be ran as Oracle user
cd /tmp
export ORACLE_SID=orcl
export ORACLE_HOME=/oracle/ora9i
lsnrctl start
sqlplus -S /nolog <<ENDSQL
connect / as sysdba
startup
exit
ENDSQL
emctl start dbconsole
isqlplusctl start
NOTE: emctl and isqlplus are optional
2) /home/oracle/stop_oracle.sh
#Script should be ran as Oracle user
cd /tmp
export ORACLE_SID=orcl
export ORACLE_HOME=/oracle/ora9i
isqlplusctl stop
emctl stop dbconsole
sqlplus -S /nolog <<ENDSQL
connect / as sysdba
shutdown immediate
exit
ENDSQL
lsnrctl stop
NOTE: emctl and isqlplus are optional
Then what you need:
1) K91oracle_stop (put it in the desired run level)
#!/bin/bash
# description: Stop Oracle before reboots
su - oracle -c "/home/oracle/stop_oracle.sh" >> /home/oracle/stoporacle.log
2) S91oracle_start (put it in the desired run level)
#!/bin/bash
# description: Start Oracle after reboots
su - oracle -c "/home/oracle/start_oracle.sh" >> /home/oracle/startoracle.log
Bye.

How to connect to oracle database from visual basic 2010 express edition

I have installed visual basic 2010 express edition on windows xp. But visual basic 2010 express edition supports Microsoft sql server database file,Microsoft sql server compact 3.5, Microsoft access database file. I want to connect to oracle database from visual basic 2010 express edition. So what drivers are required and how to do connectivity?

Hello,
I wasn't clear on what you were using to make the connection. I had a look in Visual Studio 2010 (don't have express to test sorry).
I think you mean the Data Sources available under the menu Data-> Datasources. this seems to match the description you give when I
look at the list of datasource options.
In here you can make ODBC connections via the Microsoft .net Data Provider .
If you select ODBC as a datasource you can see listed the DSN's you created - for example I see 2 which use the Oracle ODBC driver.
This assumes you installed an Oracle Client + the oracle version of the ODBC driver (comes with the oracle client).
Once you created a server connection then you should see it in the server explorer.
You can also download the Oracle Developer Tools for Visual Studio which is an add on for VS.
** I suspect this is only for VS 2010 and I didn't see that Express was supported.
http://www.oracle.com/technetwork/developer-tools/visual-studio/overview/index-097110.html
Let me know if that helps.
John

How to install two oracle database on one system

i want to install two oracle databases on single system how it is possible
how i can manager oracle home and is this possible to install two different version of oracle in single home or single system forexample oracle 9 and oracle 8 .
A.R

Hi,
yes, u can have more databases on a single machine and they can be of different versions.
You have to use and initialize the correct ORACLE_HOME to create the DB of the version U use.
For ex, u have 2 homes:
C:\Oracle\Ora817 8i home and C:\Oracle\ora920 9i home
Normally, using OFA, imagine that You want create 2 db, TEST_8I for 8i home and TEST_9I for the 9i home, You shold have:
C:\Oracle\Admin\TEST_8I\<<OFA DIRS>> and C:\Oracle\Oradata\TEST_8I for 8i DB adn C:\Oracle\Admin\TEST_9I\<<OFA DIRS>> and C:\Oracle\Oradata\TEST_9I for the 9i version.
It is important, when You create the DB, that u use the executables of C:\Oracle\Ora817\bin to create 8i db and C:\Oracle\Ora920\bin for the 9i one.
Then U can use the 9i listener to manage both instances
Hope this helps
Max

How search happens in oracle Database

Select emp_name from employee where salary > 10000;
How a search occurs in oracle database where there is a index in salary column and when there is no index in salary column

user8850066 wrote:
i just want to know what happens internally to get the data.That is actually very complicated to answer. Oracle is a powerful and sophisticated piece of software, and what happens internally can vary based on configuration, data volume, and what else is happening. Books, papers and even entire conferences are dedicated to this question. Many myths abound, mostly from oversimplifications and improper assumptions about how Oracle works. The docs are good, but not so much for what is really happening internally.
It is good to be curious. As the others said, read the concepts manual, then read the performance guide and apply what you see to learn what is happening. As you learn more and more, you'll discover even many guru's consider the database a black box that we can only poke at and infer what is happening inside. Oracle does have a lot of instrumentation to see what is going on, but when it comes down to it, we're all still surprised at times about what must be happening.
I'd also recommend Tom Kyte's books, after you've digested the basics (some of which he wrote anyways). He has two great strengths: He explains what is happening clearly, and he shows you how to figure it out for yourself. Also Richard Foote's blog is excellent for the index half of your question, though it might be a bit much if you don't know the basic concepts.
As you read through the concepts, you'll realize your question has to account for things like:
Is it faster to get the data with one process or many?
Are other people modifying the data?
Do you want to get all the data as quickly as possible, or some of the data faster?
Do you know a better way to get the data than Oracle can figure out?
What are you going to do with the data when you get it?
What if the computer crashes while you are getting it?
What if the definition of the table changes while you are trying to get the data?
What if the data is far away?
What if someone doesn't want you to see it?
What if you also need to get some other data too?
All these and more can influence what Oracle does internally. On some basic level, you can say Oracle will do a full table scan or a modified b-tree index search, but beyond that, it can go nuts.

How can I install Oracle Database 10g for Solaries (SPARC) from the console

Dear Forum Members,
In my office, I have to installed Oracle Database 10g for Solaries (SPARC). But I have to do it without DISPLAY Monitor.Is it possible install it by remote login to this server using response file (silent mode) or something like that?
If yes. Then How?
If anyone have the exact solution, then I need your feedback. I shall wait for your reply.
Thanks
Aungshuman Paul

There are 2 possible ways to accomplish this.
First,
Silent installation
http://www.informit.com/articles/article.asp?p=174771&rl=1
Second, (cut/paste from other site)
How to install Oracle software remotely?
Remote Software Installation Steps: (For Solaris only)
If you want to install Oracle Software remotely, you should perform the following steps. These steps are applicable only if your source and target machine are running Unix.
For example, you can install Oracle Software from your home from Washington, DC to a target source in California.
1. Pick your source server or machine for remote installation.
2. Check that your CD is in your source CD-ROM drive.
3. On the target machine, find your target machine name with the output of the /usr/bin/hostname
4. On the source machine, login as a user.
5. On the source machine, enable client access: % /usr/openwin/bin/xhost + target-machine-name
6. Become root user by typing: su (dont use -)
7. Check that Volume Manger is running. # ps ef |grep vold (if you see an entry that contains /usr/sbin/vold, Volume Manager is running. Then skip to Step 10.
8. If not then do the following: # mkdir p /cdrom/your-cd-file-name
9. # mount F hsfs r cdrom-device /cdrom/your-cd-file-name
10. Add the following line to your /etc/dfs/dfstab file: # share F nfs o ro /cdrom/your-cd-file-name
11. Verify whether your source machine is an NFS server: # ps ef | grep nfsd
12. If you see an entry that contains /use/lib/nfs/nfsd a 16, then nfsd is running and skip to Step 16.
13. If nfsd is running, then type: # /usr/sbin/shareall
14. If nfsd is not running, then start nfsd by typing: # /etc/init.d/nfs.server start
15. Verify whether your source machine is an NFS server again by typing: # ps ef | grep nfsd
16. Make sure your source machine is exporting your product directory by typing: # /usr/sbin/dfshares
17. Now, log in to the target machine by type: # rlogin target-machine-name l user (not root)
18. Then log in as the root user by typing: # su
19. Go to the source machine by typing: # cd /net/source-machine/cdrom/your-cd-file-name ,then Skip to 24.
20. If you cannot change to that directory in Step 19 and you do not have an auto-mounter on your network, then create amount point by typing the following commands.
21. # mkdir /remote_products
22. # /usr/sbin/mount F nfs r source-machine:/cdrom/your-cd-file-name /remote_products
23. # cd /remote_products
24. Redirect the target machine display to source machine by typing: # DISPLAY=source-machine:0; export DISPLAY (if you use a Bourne or Korn shell).
25. Start the Web Start Installer by typing: # ./installer (or whatever the installer name program is).

How to handle a (Oracle) database restart

Similar Messages

Maybe you are looking for