ADF panel opening too many JDBC Thin Client database sessions.

Hi All,
I have several ADF Panels, which allows the user to run a few simple queries against an Oracle database done using ADF view objects and ADF view links and ADF application module.
Each ADF panel as I said contains several View Link queries, and links under the form of Jbuttons to other ADF Panels running other ADF View Links.
Running the ADF Panel as described here opens up to 21 database sessions displaying as “JDBC Thin Client” when I look them up from v$session.
Why do I end up with that many database sessions.
Why doesn’t it just use one or two database sessions to run all these View Links? It seems that it is opening one database session for each of these view links.
How can I change this destructive behavior? I only one to see one or two database sessions for the entire ADF panel no matter how many ADF View Links it contains.
Your suggestions are most appreciated.
Thanks.
Bobby A.

Thanks for your response.
I took a quick look at the docs you pointed me to. It seems that I can set some parameters in bc4j.xcfg of each application module Home to control number of database connections that the application module will create. In that case maybe you can recommend which parameters and what value they should be set to.
Your response will be most helpful as my background is rather in database admin and not java.
Thanks.
Bobby A.

Similar Messages

JDBC THIN CLIENT in V$SESSION inactive

Hello DBA's
I have too many inactive session of JDBC thin client. Please suggest can we kill them?? or any other alternative
SID SERIAL# USERNAME PROGRAM STATUS Inactive_Hours
12 74 APPS JDBC Thin Client INACTIVE 1772.69806
13 31 APPLSYSPUB JDBC Thin Client INACTIVE 1772.69806
18 62 APPS JDBC Thin Client INACTIVE 1772.69806
20 1 APPLSYSPUB JDBC Thin Client INACTIVE 952.465556
22 9 APPS JDBC Thin Client INACTIVE 1772.69806
26 55 APPS JDBC Thin Client INACTIVE 92.1361111
30 2 APPLSYSPUB JDBC Thin Client INACTIVE 1772.61361
31 7 APPS JDBC Thin Client INACTIVE 1772.69667
53 29516 APPS JDBC Thin Client INACTIVE 521.344167
54 35 APPLSYSPUB JDBC Thin Client INACTIVE 1772.69278
69 7 APPLSYSPUB JDBC Thin Client INACTIVE 1772.69278
Can we kill them or any particular check before killing them??

I am not sure how you have computed the "Inactive Time".
You need to know if the middle-tier is configured to re-connect when necessary OR whether the middle-tier process will fail at the next SQL / operation it attempts to execute. So middle-tier processes can handle a kill gracefully, others cannot.
The usernames you list indicate that this is an Oracle EBusiness Suite install. You need to identify the services on the application server that correspond to these sessions and whether they can handle a kill gracefully.
Why do you need to kill sessions ?
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Hello All
Machines A and B
Applicaion in A is connecting to B(9.2.0.6),db server.
The schema is so small with few tables and data in each table less than 500 rows
We are in the process of migrating the Application Schema in B to C[9.2.0.8].
But the response time is more when the application fetches from C.
Even while selecting the sysdate from dual.
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When the same sql is executed by (from A to C)
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But when the same is done through the application which uses jdbc thin client, it takes few seconds
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TIA,
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are you using latest drivers - http://www.oracle.com/technology/tech/java/sqlj_jdbc/index.html
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OS_USER not correct when using JDBC Thin Client on 10G

Hi Folks,
We are migrating an application from a 9i database to 10g and have a problem that someone might have come across before.
The application is a Java applet based application that connects to the database using JDBC Thin client. on 9i the OS_USER comes up as the user running the applet but in 10G it is coming up as the user account that installed 10G on the DB server.
We tried using a 9i client to identify if it was a client or DB issue but its the same problem with the 9i client connecting to the 10G DB.
If anyone can help it would be much appreciated.
Thanks,
John.

Could you please provide further details on what do you mean with OS_USER?
The application is a Java applet based application
that connects to the database using JDBC Thin client.
on 9i the OS_USER comes up as the user running the
applet but in 10G it is coming up as the user account
that installed 10G on the DB server.
Are you referring to the user provided to perform authentication against database, i.e. a database user?
How do you know this user is being changed?
~ Madrid

OS_USER not correct when connecting using JDBC Thin Client on 10G

Hi Folks,
We are migrating an application from a 9i database to 10g and have a problem that someone might have come across before.
The application is a Java applet based application that connects to the database using JDBC Thin client. on 9i the OS_USER comes up as the user running the applet but in 10G it is coming up as the user account that installed 10G on the DB server.
We tried using a 9i client to identify if it was a client or DB issue but its the same problem with the 9i client connecting to the 10G DB.
If anyone can help it would be much appreciated.
Thanks,
John.

What is the return of this command?
SELECT sys_context ('USERENV', 'OS_USER') FROM dual;
Is it the DB user or the OS user?

12.1.3 EBS with JDBC Thin Client

Hello,
I have question about JDBC Thin Client, typically dbc file and context file define connection to RAC Database using thin client, as far as I know jdbc thin client does not support TAF feature when there is database node down, the connection not direct to surviving node until relogin.
APPS_JDBC_URL=jdbc\:oracle\:thin\:@(DESCRIPTION\=(ADDRESS_LIST\=(LOAD_BALANCE\=YES)(FAILOVER\=YES)(ADDRESS\=(PROTOCOL\=tcp)(HOST\=XXXX-SCAN.xxx.com)(PORT\=1521)))(CONNECT_DATA\=(SERVICE_NAME\=DBSID)))
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Please see the following docs.
Is Transparent Application Failover (TAF) Supported on the JDBC Thin Driver? (Doc ID 297490.1)
Configuring and Managing E-Business Application Tier for RAC (Doc ID 1311528.1)
Thanks,
Hussein

RMS installation error: JDBC-thin client oracle/jdbc/driver/T2CConnection.getLibraryVersionNumber()

Trying to Install RMS application 13.2.2 and I get past the pre-installation checks and when I get to the Data Source details and enter the data source details with the check box checked to validate the schema/Test Data Source I get the following error:
Error Connecting to database URL jdbc:oracle:oci:@rmsdbtst as user rms13 java.lang.Exception:UnsatisfiedLinkError encountered when using the Oracle driver. Please check that the library path is set up properly or switch to the JDBC thin client oracle/jdbc/driver/T2CConnection.getLibraryVersioNumber()
Checks performed:
RMS Application code location and directory contents:
[oracle@test-rms-app application]$ pwd
/binary_files/STAGING_DIR/rms/application
[oracle@test-rms-app application]$ ls -ltr
total 144
-rw-r--r-- 1 oracle oinstall   272 Dec 7 2010 version.properties
-rw-r--r-- 1 oracle oinstall   405 Jan 16 2011 expected-object-counts.properties
-rw-r--r-- 1 oracle oinstall   892 May 13 2011 ant.install.properties.sample
-rw-r--r-- 1 oracle oinstall 64004 Jun 6 2011 build.xml
drwxr-xr-x 9 oracle oinstall 4096 Jun 16 2011 rms13
drwxr-xr-x 3 oracle oinstall 4096 Jun 16 2011 installer-resources
drwxr-xr-x 3 oracle oinstall 4096 Jun 16 2011 antinstall
drwxr-xr-x 2 oracle oinstall 4096 Jun 16 2011 ant-ext
drwxr-xr-x 5 oracle oinstall 4096 Jun 16 2011 ant
-rw-r--r-- 1 oracle oinstall 11324 Dec 18 09:18 antinstall-config.xml.ORIG
-rwxr-xr-x 1 oracle oinstall 4249 Dec 18 10:01 install.sh
drwxr-xr-x 4 oracle oinstall 4096 Dec 18 10:06 common
-rw-r--r-- 1 oracle oinstall 16244 Dec 19 10:37 antinstall-config.xml
-rw-r--r-- 1 oracle oinstall   689 Dec 19 10:37 ant.install.log
[oracle@test-rms-app application]$
Application installation:
[oracle@test-rms-app application]$ ./install.sh
THIS IS the driver directory
Verified $ORACLE_SID.
Verified SQL*Plus exists.
Verified write permissions.
Verified formsweb.cfg read permissions.
Verified Registry.dat read permissions.
Verified Java version 1.4.2.x or greater. Java version - 1.6.0
Verified Tk2Motif.rgb settings.
Verified frmcmp_batch.sh status.
WARNING: Oracle Enterprise Linux not detected. Some components may not install properly.
Verified $DISPLAY - 172.16.129.82:0.0.
This installer will ask for your "My Oracle Support" credentials.
Preparing installer. This may take a few moments.
Your internet connection type is: NONE
Integrating My Oracle Support into the product installer workflow...
     [move] Moving 1 file to /binary_files/STAGING_DIR/rms/application
Installer preparation complete.
MW_HOME=/u01/app/oracle/Middleware/NewMiddleware1034
ORACLE_HOME=/u01/app/oracle/Middleware/NewMiddleware1034/as_1
ORACLE_INSTANCE=/u01/app/oracle/Middleware/NewMiddleware1034/asinst_1
DOMAIN_HOME=/u01/app/oracle/Middleware/NewMiddleware1034/user_projects/domains/rmsClassDomain
WLS_INSTANCE=WLS_FORMS
ORACLE_SID=rmsdbtst
JAVA_HOME=/u01/app/oracle/jrockit-jdk1.6.0_45-R28.2.7-4.1.0
Launching installer...
To make sure I have connectivity from the app server to the database (on a database server) here are the steps followed:
[oracle@test-rms-app application]$ tnsping rmsdbtst
TNS Ping Utility for Linux: Version 11.1.0.7.0 - Production on 19-DEC-2013 10:41:40
Copyright (c) 1997, 2008, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = test-rms-db.vonmaur.vmc)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SID = rmsdbtst)))
OK (0 msec)
[oracle@test-rms-app application]$
[oracle@test-rms-app application]$ sqlplus rms13@rmsdbtst
SQL*Plus: Release 11.1.0.7.0 - Production on Thu Dec 19 10:46:18 2013
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Enter password:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@test-rms-app application]$
[oracle@test-rms-app application]$ ping test-rms-db
PING test-rms-db.vonmaur.vmc (192.168.1.140) 56(84) bytes of data.
64 bytes from test-rms-db.vonmaur.vmc (192.168.1.140): icmp_seq=1 ttl=64 time=0.599 ms
64 bytes from test-rms-db.vonmaur.vmc (192.168.1.140): icmp_seq=2 ttl=64 time=0.168 ms
64 bytes from test-rms-db.vonmaur.vmc (192.168.1.140): icmp_seq=3 ttl=64 time=0.132 ms
64 bytes from test-rms-db.vonmaur.vmc (192.168.1.140): icmp_seq=4 ttl=64 time=0.158 ms
64 bytes from test-rms-db.vonmaur.vmc (192.168.1.140): icmp_seq=5 ttl=64 time=0.135 ms
--- test-rms-db.vonmaur.vmc ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4001ms
rtt min/avg/max/mdev = 0.132/0.238/0.599/0.181 ms
[oracle@test-rms-app application]$
[oracle@test-rms-app application]$ uname -a
Linux test-rms-app.vonmaur.vmc 2.6.18-128.el5 #1 SMP Wed Jan 21 08:45:05 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
[oracle@test-rms-app application]$
[oracle@test-rms-app application]$ cat /etc/*-release
Enterprise Linux Enterprise Linux Server release 5.3 (Carthage)
Red Hat Enterprise Linux Server release 5.3 (Tikanga)
[oracle@test-rms-app application]$
The database is created and all the batch file scripts have been successfully deployed. Now working on the application server. The Weblogic server is installed and 11g forms and reports are installed successfully.
Any help would be helpful.
Thanks,
Ram.

Please check MOS Notes:
FAQ: RWMS 13.2 Installation and Configuration (Doc ID 1307639.1)

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Connect to 10g RAC over JDBC thin client

I'm trying to connect to multiple Oracle 10g databases (failover) over the JDBC thin client, and when I run the following, I get:
java.sql.SQLException: Io exception: NL Exception was generated
connection = DriverManager.getConnection("jdbc:oracle:thin:@DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = dbdev) (PORT = 1521))) (CONNECT_DATA = (INSTANCE_NAME = orcldev)))", "scott", "tiger");
I eventually want to put multiple ADDRESSes in that string, but right now I'm trying to get it to work with just one! I've tried multiple variations of this, like changing INSTANCE_NAME to SID or SERVICE_NAME, and using the internal IP address for the HOST dbdev (see below). Here's the tnsnames.ora file used by SQL*Plus on the same client machine:
ORCLDEV.world =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.132)(PORT = 1521))
(CONNECT_DATA =
(SID = orcldev)
)

I found this in Doc ID #213412.1 on metalink.oracle.com:
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http://e-docs.bea.com/wls/docs81/jdbc/oracle_rac.html

Establish SSL connection to Oracle Instance w/JDBC Thin Client

Hello all,
I am writing a monitoring utility that will allow me to establish connections to both Oracle instances and LDAP repositories and query them to determine that they are up and running. My utility consists of a number of objects that handle connections to the LDAP and Oracle instances. I need to be able to do SSL and non-SSL connections to said instances.
My issue is this: I am able to do SSL and non-SSL to LDAP, and non-SSL to an Oracle instance. I am having problems, though, establishing an SSL connection to an Oracle instance (I am using the thin client). Whenever I try, a SQLException is thrown that states: "Encountered a problem with the secret store. Check the wallet location for the presense of an open wallet (cwallet.sso) and ensure that the wallet contains the correct credentials..."
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String userName = "userName";
String pwd = "password";
Properties props = new Properties();
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props.put("oracle.net.wallet_location", "SOURCE=(METHOD=file)(METHOD_DATA=(DIRECTORY=c:\\wallet)))");
props.put("oracle.net.ssl_cipher_suites", "ssl cipher suites");
props.put("oracle.net.ssl_server_dn_match", "FALSE");
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ods.setUser(userName);
ods.setPassword(pwd);
ods.setUrl("jdbc:oracle:thin:@" + connectionString);
ods.setConnectionProperties(props);
Connection conn = ods.getConnection(); <---This is where code errors out with SQLException described above.
return conn;
And that's pretty much it. Anyone have any ideas?

Ok, that looked horrible. Let's try this again: 
 
I am writing a monitoring utility that will allow me to establish connections to both Oracle instances and LDAP repositories and query them to determine that they are up and running. My utility consists of a number of objects that handle connections to the LDAP and Oracle instances. I need to be able to do SSL and non-SSL connections to said instances. 
 
My issue is this: I am able to do SSL and non-SSL to LDAP, and non-SSL to an Oracle instance. I am having problems, though, establishing an SSL connection to an Oracle instance. Whenever I try, a SQLException is thrown that states: "Encountered a problem with the secret store. Check the wallet location for the presense of an open wallet (cwallet.sso) and ensure that the wallet contains the correct credentials..." 
 
Ok, a little background for those who may need it. Oracle uses a wallet to hold certs that allow SSL connections. I have a wallet on my box, and, from the command line, I am able to sqlplus into and tnsping the appropriate Oracle instances, so I know it is setup properly. The inability to connect only occurs in my code. My code looks like this: 
 
***** 
 
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver()); 
Security.addProvider(new oracle.security.pki.OraclePKIProvider()); 
 
/*Setup connection properties*/ 
 
String connectionString = "testbox01:1000:ssl_instances_name"; 
String userName = "userName"; 
String pwd = "password"; 
 
Properties props = new Properties(); 
props.put("oracle.net.ssl_version", 3.0"); 
props.put("oracle.net.wallet_location", "SOURCE=(METHOD=file)(METHOD_DATA=(DIRECTORY=c:\\wallet)))"); 
props.put("oracle.net.ssl_cipher_suites", "ssl cipher suites"); 
props.put("oracle.net.ssl_server_dn_match", "FALSE"); 
props.put("oracle.net.ssl_client_authentication", "true"); 
 
/*Do connection and return connection object*/ 
OracleDataSource ods = new OracleDataSource(); 
ods.setUser(userName); 
ods.setPassword(pwd); 
ods.setUrl("jdbc:oracle:thin:@" + connectionString); 
ods.setConnectionProperties(props); 
 
Connection conn = ods.getConnection(); <---This is where code errors out with SQLException described above. 
 
return conn; 
 
***** 
 
And that's pretty much it. Anyone have any ideas?

JDBC Thin Client for Oracle 8i 8.1.7

Hi,
Trying to Driver.getConnection(.....); to an Oracle 8i 8.1.7 DBMS. My client: NT4 and JDK1.3.1 and 100% Java Thin Client "classes12.zip" and "nls(?)_classes12.zip" for JDk 1.2.x
getConnection(....) is is timing out and exception says "network adapter could not establish connection....". No doubt, the paramters of getConnection(<parameters>) are valid and correct.
Is it really because the downloaded classes are only for JDK 1.2.x and do not work with jdk1.3.1? In this case I will install jdk 1.2.x again at client host.
Or is there another thing I have not concerned yet? Note I CAN connect to the host the Oracle 8i DBMS is running on (via BEA Jolt to several Tuxedo services as well as via an HTTP request to an CGI script). So the naming service works. Also te host is alive. A collegue confirmed that the database i want to connect to is also alive and running.
Any experienced JDBC programmer who can help me?
Greetings from Germany, hans

Hi,
If you get this error, check the follwing things,
1. make sure you created a listner for your database.
2. make sure the created your DB listner is up & running as service.
3. try to connect to database & see that that DB is open for e-transactions (make sure the DB is not in SHUTDOWN mode).
These checks will solve your problem.
Good luck,
Rajesh Singh.

ASO - checksum fail with JDBC thin client on Windows

I'm trying to configure Oracle Advanced Security for SQL Developer. I'm using SQL Developer 1.5.1 (downloaded with the included JDK). When configuring the connection I select Connection Type: Advanced. My JDBC URL is:
jdbc:oracle:thin:@(description=(address=(protocol=tcp)(host=hostname.com)(port=1234))(connect_data=(service_name=DVLP)(SQLNET.ENCRYPTION_CLIENT=REQUESTED)(SQLNET.ENCRYPTION_TYPES_CLIENT=AES256)(SQLNET.CRYPTO_CHECKSUM_CLIENT=REQUESTED)(SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT=MD5)))
This works great in Linux. But on a fully patched Windows XP machine when I try to connect I get "Io exception: Checksum fail Vendor code 17002"
Note that this is only a problem with the thin client. If I use the OCI client (jdbc:oracle:oci:@....) it works fine.
Also note that the db to which I'm trying to connect is a 10g database with these sqlnet.ora parameters:
#ASO Encryption
sqlnet.encryption_server=required
sqlnet.encryption_client=required
sqlnet.encryption_types_server=(AES256,3DES168,3DES112)
sqlnet.encryption_types_client=(AES256,3DES168,3DES112)
#ASO Checksum
sqlnet.crypto_checksum_server=requested
sqlnet.crypto_checksum_client=requested
sqlnet.crypto_checksum_types_server = (MD5)
sqlnet.crypto_checksum_types_client = (MD5)
SQLNET.INBOUND_CONNECT_TIMEOUT_LSNR1251=120
# Require clients to be Oracle 10g or higher
SQLNET.ALLOWED_LOGON_VERSION = 10
Has anyone else seen this?
Thanks for your help!

As a test I created a simple Java program to connect to the db. I used the same ojdbc5.jar that is shipped with sql developer. My test program ran fine. So it would seem the problem is SQL Developer specific.
The class:
import java.sql.*;
public class testJDBC_ASO {
public static void main(String[] args) throws SQLException {
DriverManager.registerDriver (new oracle.jdbc.OracleDriver());
Connection conn = DriverManager.getConnection
("jdbc:oracle:thin:@(description=(address=(protocol=tcp)(host=hostname.com)(port=1234))(connect_data=(service_name=DVLP)(SQLNET.ENCRYPTION_CLIENT=REQUESTED)(SQLNET.ENCRYPTION_TYPES_CLIENT=AES256)(SQLNET.CRYPTO_CHECKSUM_CLIENT=REQUESTED)(SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT=MD5)))",
"username", "password");
Statement stmt = conn.createStatement();
ResultSet rset = stmt.executeQuery("select BANNER from SYS.V_$VERSION");
while (rset.next())
System.out.println (rset.getString(1)); /
stmt.close();
The output:
C:>java -cp ojdbc5.jar;. testJDBC_ASO
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bi
PL/SQL Release 10.2.0.3.0 - Production
CORE 10.2.0.3.0 Production
TNS for Solaris: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production
Edited by: RichardJQ on Oct 31, 2008 1:52 PM

ADF panel opening too many JDBC Thin Client database sessions.

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