How to update Connection pool in Unix environment?

I am trying to come up with a secure way to update the username and password in connection pool. The environment is Unix and we won't have access to Admin tool or database to create Repository Variable. Is there a command in unix to update the rpd connection pool? Any suggestions?

Hi,
I believe there is no command available (see the following link for details).
Changing the Oracle BI Database Connection Pool Settings
http://download.oracle.com/docs/cd/E12096_01/books/AnyInConfig/AnyInConfigDataSource5.html
You may also log a SR and confirm this with Oracle Support.
Regards,
Hussein

Similar Messages

How to use connection pools in production environment

Hai
We are using Statless Session beans which will call bean managed entity beans
as a developer we completed the first phase of our project successful but when
comming to the production environment they(Higher authoritites of the company)
are asking abt the connection pools. Suppose if my wlserver5.1 has 100 hits per
a second how many connection pools i need to put in the production envirornment
and also is it the right way to increase the connectionpools depends upon the
clients hits????. Can anybody help me regarding this It is very urgent for us.
Cheers Kiran Nallam

Hi Aravind,
It can be used only for calculation kinda "minimum size".
Nothing can prevent a developer from writing something
like this:
Connection con1 = ds.getConnection();
Connection con2 = ds.getConnection();
Connection con3 = ds.getConnection();
Regards,
Slava Imeshev
"Aravind Krishnasamy" <[email protected]> wrote in message news:3bfa85f6
You can fix the size of the weblogic connection pool depending on yourexecute
thread count value. For example the default value of execute thread countvalue
is 15. So at a given point of time you cannot use more then 15 databaseconnection.
Database connection pool size should be equal to or less then the size ofexecute
thread count
"Slava Imeshev" <[email protected]> wrote:
Hi Kiran,
It's hard to provide exact dependence between number of hits
and actual number of consumed connections because it's a highly
variable distributed environment. But the general approach is
simple - before rolling out your application, make sure you
tested it under simulated peak load. Your connection pool should
have enough connections to serve peak load. Without such a testing
you will never know whether your app scales or not.
Regards,
Slava Imeshev
"Kiran" <[email protected]> wrote in message
news:3bf9d676$[email protected]..
Hai
We are using Statless Session beans which will call bean managed entitybeans
as a developer we completed the first phase of our project successfulbut
when
comming to the production environment they(Higher authoritites of thecompany)
are asking abt the connection pools. Suppose if my wlserver5.1 has100
hits per
a second how many connection pools i need to put in the productionenvirornment
and also is it the right way to increase the connectionpools dependsupon
the
clients hits????. Can anybody help me regarding this It is very urgentfor
us.
Cheers Kiran Nallam

How can I connect to a UNIX server to execute a command?

How can I connect to a UNIX server and execute a command using PowerShell? My shell script is sitting on one server, while the UNIX box is on another.
also, I don't like the idea of hardcoding a username/password within the script file in order to do so.
-Nothing to see. Move along.

You will need a library to handle SSH connections.
I'm using SSH.NET, you can find info on it here : http://www.powershelladmin.com/wiki/SSH_from_PowerShell_using_the_SSH.NET_library
It has a bit of a learning curve but the web site has some fairly good tutorials.

How to use Connection Pool in ADF ear file creaion from jDev 10.1.3

Hi,
We are developing big application in ADF with 10 different modules. We are creating ear file with data source setting.
How to use connection pool while creating ear file from jDev. Connection pool is alreday created in Application Server 10g.
What all the setting we need do to make use of connection pool while creating ear file jDev.
Thanks

User,
If you are using ADF Business Components, you can right-click each application module, select "configurations" and edit the configuration you are using. On the initial page of the configuration dialog, you can specify to use either a JDBC URL or a Datasource - you just need to choose Datasource and then provide the name by which to access it.
John

How To Use Connection Pooling in Struts.

Can Somebody have the idea how to use connection pooling. i want to use jakarta commons dbcp, pool.
using these packages how can i implement the connection pooling for my web application. If Anybody have some idea plz contect me.
If Somebody have sample code plz send.
Thks in Advance,

Read the documentation...?

How to use Connection pool in Reports

Dear All,
Please help me How to create Connection pool for Reports and How to use in Reports.
Present i am using the report by passing parameter as P_JDBCPDS=username/password@databaseName. I thought this will not manage the coonection pool.
For all reports and every time i am passing userName/password, how to avoid this. Please help me.
1. How to create Connection pool for Report Server
2. How to use that Connection pool in the Reports.
Please help me.
With Regards,
Srinivas.

Until now, I have not worked unfortunately with a connection pool, but, I have found a documentation about the Creating an Internal Connection Pool.
http://download-east.oracle.com/docs/cd/B25221_04/web.1013/b13593/cpdef.htm

How to configure connection pooling in tomcat?

how to configure connection pooling in tomcat and how to use the connection pooling in the jsp and servlets?

thanks for the reply, i have configured the connection pool settings in the tomcat.
I created a class with static method, which will return the connection object.
whenever i need the connection object, iam invoking the static method, once its usage is over iam closing thew connection..
is it the right way of using the connection object in the web application.

How to configure connection pooling in WebLogic

how to configure connection pooling in WebLogic

You already asked this question, here:
[http://forums.sun.com/thread.jspa?threadID=5356073&messageID=10549446#10549446|http://forums.sun.com/thread.jspa?threadID=5356073&messageID=10549446#10549446]

How to retain connection pool resource while exporting the application war

hello,
lately i have figured out how to use connection pooling. now i have another issue.
i have to export the application war file to a remote server for deployment. i cant configure the server.xml file there due to restrictions. Now is there any way that i can retain the connection pooling with all JNDI resources while exporting the war file. what all things would i have to do. i am using tomcat 4.1 and the remote server too have the same appliaction server running.
is this possible?
thanks in advance

Hi,
you might have the problem in creating WAR files.
lease check that first.
thanks,
nvseenuNo, the problem is that you shouldn't be modifying the server.xml
The proper, portable way to do it is to create a context.xml file and put it in the META-INF directory of your WAR file. This contains your Resource definition and JDBC connection parameters. Everything's portable that way.
I know this works on Tomcat 5.x.
It can also work with Tomcat 4.1.x, but the way I've done it is to put the context.xml into a file whose name matches my WAR file (e.g, foo.war and foo.xml), placing both in the /webapps directory. Tomcat 4.1.x picks it up that way.
It would be worth an experiment to see if Tomcat 4.1.x picks up the context from /META-INF, because that way your WAR file is 100% portable.
This is precisely the reason why I advise people not to edit the server.xml. You don't always have the option to do so.
%

How to create connection pooling in Tomcat 5.0

present i am developing one web site in that i am using tomcat 5.0
i am trying to establish connection pooling in tomcat,i am facing some problems..
tomcat throws the following exception ie.,
cannot create JDBC Driver class for connect URL null.
my code lik this
i configured the web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>sqlserver</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
my server.xml
<?xml version='1.0' encoding='utf-8'?>
<Server>
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
<GlobalNamingResources>
<Environment name="simpleValue" type="java.lang.Integer" value="30"/>
<Resource auth="Container" description="User database that can be updated and saved" name="UserDatabase" type="org.apache.catalina.UserDatabase"/>
<Resource auth="Container" name="sqlserver" type="javax.sql.DataSource"/>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>password</name>
<value>sudha</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
<parameter>
<name>username</name>
<value>sudha</value>
</parameter>
</ResourceParams>
<ResourceParams name="sqlserver">
<parameter>
<name>url</name>
<value>jdbc:odbc:SQL</value>
</parameter>
<parameter>
<name>validationQuery</name>
<value>select * from employee</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>4</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>8</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>username</name>
<value>kpi</value>
</parameter>
<parameter>
<name>factory</name>
<value>org.apache.naming.factory.DbcpDataSourceFactory</value>
</parameter>
<parameter>
<name>password</name>
<value>kpi</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>
<Service name="Catalina">
<Connector acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" port="8080" redirectPort="8443" maxSpareThreads="75" maxThreads="150" minSpareThreads="25">
</Connector>
<Connector port="8009" protocol="AJP/1.3" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler" redirectPort="8443">
</Connector>
<Engine defaultHost="localhost" name="Catalina">
<Host appBase="webapps" name="localhost">
<Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/>
</Host>
<Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/>
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
</Engine>
</Service>
</Server>
and i studied the the tomcat documentation in that tomcat mentioned
The configuration properties for Tomcat's standard data source resource factory (org.apache.naming.factory.DbcpDataSourceFactory) are as follows:
driverClassName - Fully qualified Java class name of the JDBC driver to be used.
maxActive - The maximum number of active instances that can be allocated from this pool at the same time.
maxIdle - The maximum number of connections that can sit idle in this pool at the same time.
maxWait - The maximum number of milliseconds that the pool will wait (when there are no available connections) for a connection to be returned before throwing an exception.
password - Database password to be passed to our JDBC driver.
url - Connection URL to be passed to our JDBC driver. (For backwards compatibility, the property driverName is also recognized.)
user - Database username to be passed to our JDBC driver.
validationQuery - SQL query that can be used by the pool to validate connections before they are returned to the application. If specified, this query MUST be an SQL SELECT statement that returns at least one row.
how to configure server.xml file
and how to get the org.apache.naming.factory.DbcpDataSourceFactory
please help me...this module is very very urgen to me..

http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-datasource-examples-howto.html

How to create Connection pool in Tomcat 5

present i am developing one web site in that i am using tomcat 5.
i am trying to establish connection pooling in tomcat,i am facing some problems..
tomcat throws the following exception ie.,
cannot create JDBC Driver class for connect URL null.
my code lik this
i configured the web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>sqlserver</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
my server.xml
<?xml version='1.0' encoding='utf-8'?>
<Server>
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
<GlobalNamingResources>
<Environment name="simpleValue" type="java.lang.Integer" value="30"/>
<Resource auth="Container" description="User database that can be updated and saved" name="UserDatabase" type="org.apache.catalina.UserDatabase"/>
<Resource auth="Container" name="sqlserver" type="javax.sql.DataSource"/>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>password</name>
<value>sudha</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
<parameter>
<name>username</name>
<value>sudha</value>
</parameter>
</ResourceParams>
<ResourceParams name="sqlserver">
<parameter>
<name>url</name>
<value>jdbc:odbc:SQL</value>
</parameter>
<parameter>
<name>validationQuery</name>
<value>select * from employee</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>4</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>8</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>5000</value>
</parameter>
<parameter>
<name>username</name>
<value>kpi</value>
</parameter>
<parameter>
<name>factory</name>
<value>org.apache.naming.factory.DbcpDataSourceFactory</value>
</parameter>
<parameter>
<name>password</name>
<value>kpi</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>
<Service name="Catalina">
<Connector acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" port="8080" redirectPort="8443" maxSpareThreads="75" maxThreads="150" minSpareThreads="25">
</Connector>
<Connector port="8009" protocol="AJP/1.3" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler" redirectPort="8443">
</Connector>
<Engine defaultHost="localhost" name="Catalina">
<Host appBase="webapps" name="localhost">
<Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/>
</Host>
<Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/>
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
</Engine>
</Service>
</Server>
and i studied the the tomcat documentation in that tomcat mentioned
The configuration properties for Tomcat's standard data source resource factory (org.apache.naming.factory.DbcpDataSourceFactory) are as follows:
driverClassName - Fully qualified Java class name of the JDBC driver to be used.
maxActive - The maximum number of active instances that can be allocated from this pool at the same time.
maxIdle - The maximum number of connections that can sit idle in this pool at the same time.
maxWait - The maximum number of milliseconds that the pool will wait (when there are no available connections) for a connection to be returned before throwing an exception.
password - Database password to be passed to our JDBC driver.
url - Connection URL to be passed to our JDBC driver. (For backwards compatibility, the property driverName is also recognized.)
user - Database username to be passed to our JDBC driver.
validationQuery - SQL query that can be used by the pool to validate connections before they are returned to the application. If specified, this query MUST be an SQL SELECT statement that returns at least one row.
how to configure server.xml file
and how to get the org.apache.naming.factory.DbcpDataSourceFactory
please help me...this module is very very urgen to me..

I spent many hours when i first implemented connection pooling trying to put it together. The information is scattered and the config has changed slightly from 5.0 to 5.5 etc. This is how I got it working in 5.5.17:
* server.xml seems to be a wrong place for the pool configuration if you consider it to be an application specific thing. It might be a better idea to put it into C:\tomcat55\conf\Catalina\localhost\ConfigFileForYourWeapp.xml as follows:
<Context path="/ClientLink" docBase="C:\eclipseWorkspace\PortfolioUI3\WebRoot">
      <Resource name="jdbc/testportfolios" auth="Container"
                     type="javax.sql.DataSource"
                     factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
                     username="****" password="******"
                     driverClassName="com.mysql.jdbc.Driver"
                     url="jdbc:mysql://192.168.0.101:3306/testportfolios?user=***********&password=***********&useUnicode=true&characterSet=swedish"
                     maxWait="10000" maxActive="30" maxIdle="10" removeAbandoned="true"
                     removeAbandonedTimeout="60" logAbandoned="true" testWhileIdle="true"
                     minEvictableIdleTimeMillis="4000"
                     timeBetweenEvictionRunsMillis="60000" validationQuery="SELECT '1'" />
      </Context>* Then add the following snippet into web.xml in your webapp directory:
<resource-ref>
                <description>Database pool defined in ClientLink.xml</description>
                <res-ref-name>jdbc/testportfolios</res-ref-name>
                <res-type>javax.sql.DataSource</res-type>
                <res-auth>Container</res-auth>
           </resource-ref>* Next put the jdbc-driver jar in a place where tomcat can find it. That is common\lib. Note that the shared/lib does not work.
* Get connections in java as follows:
                try {
                     Context initCtx = new InitialContext();
                     DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/testportfolios");
                     this.connection = ds.getConnection();
                } catch (NamingException e) {
                     throw new RuntimeException("Java naming exception when getting connection from tomcat pool: " + e.getMessage());
                }I hope that this helps you to save the time I lost figuring this out!
Message was edited by:
Tomppu

How to compile connection pool sample java code

I recently bought David Knox's "Effective Oracle Database 10g Security by Design", and have been working through his examples with client identifiers and how to leverage database security with anonymous connection pools.
The database side of things I totally understand and have set up, but I now want to compile/run the java code examples, but don't know what is required to compile this.
I'm running Oracle 10.2.0.4 (64-bit) Enterprise Edition on a Linux (RHEL 5) PC. Java version is 1.6.0_20. Relevant .bash_profile environment variables are as follows:
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
export CLASSPATH=$ORACLE_HOME/jre:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin
When I try to compile, I get:
oracle:DB10204$ java FastConnect.java
Exception in thread "main" java.lang.NoClassDefFoundError: FastConnect/java
Caused by: java.lang.ClassNotFoundException: FastConnect.java
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: FastConnect.java. Program will exit.
The java source code of one of the examples is below. Is someone able to point me in the right direction as to how I get this to compile? Do I just have a syntax and/or environment configuration modification to do, or is there more to it than that to get this example working? Any help much appreciated.
oracle:DB10204$   cat FastConnect.java
package OSBD;
import java.sql.*;
import oracle.jdbc.pool.OracleDataSource;
public class FastConnect
public static void main(String[] args)
    long connectTime=0, connectionStart=0, connectionStop=0;
    long connectTime2=0, connectionStart2=0, connectionStop2=0;
    ConnMgr cm = new ConnMgr();
    // time first connection. This connection initializes pool.
    connectionStart = System.currentTimeMillis();
    Connection conn = cm.getConnection("SCOTT");
    connectionStop = System.currentTimeMillis();
    String query = "select ename, job, sal from person_view";
    try {
      // show security by querying from View
      Statement stmt = conn.createStatement();
      ResultSet rset = stmt.executeQuery(query);
      while (rset.next()) {
        System.out.println("Name:   " + rset.getString(1));
        System.out.println("Job:    " + rset.getString(2));
        System.out.println("Salary: " + rset.getString(3));
      stmt.close();
      rset.close();
      // close the connection which resets the database session
      cm.closeConnection(conn);
      // time subsequent connection as different user
      connectionStart2 = System.currentTimeMillis();
      conn = cm.getConnection("KING");
      connectionStop2 = System.currentTimeMillis();
      // ensure database can distinguish this new user
      stmt = conn.createStatement();
      rset = stmt.executeQuery(query);
      while (rset.next()) {
        System.out.println("Name:   " + rset.getString(1));
        System.out.println("Job:    " + rset.getString(2));
        System.out.println("Salary: " + rset.getString(3));
      stmt.close();
      rset.close();
      cm.closeConnection(conn);
    } catch (Exception e)    { System.out.println(e.toString()); }
    // print timing results
    connectTime = (connectionStop - connectionStart);
    System.out.println("Connection time for Pool: " + connectTime + " ms.");
    connectTime2 = (connectionStop2 - connectionStart2);
    System.out.println("Subsequent connection time: " +
                        connectTime2 + " ms.");
}Code download is at: http://www.mhprofessional.com/getpage.php?c=oraclepress_downloads.php&cat=4222
I'm looking at Chapter 6.

stuartu wrote:
When I try to compile, I get:
oracle:DB10204$ java FastConnect.java
Exception in thread "main" java.lang.NoClassDefFoundError: FastConnect/java
Caused by: java.lang.ClassNotFoundException: FastConnect.java
I will try to explain what is happening here.
You are launching java telling it to run a class named 'java' in a package named 'FastConnect'
and java says it cannot find that class.
What you intended to do:
$ # make the directory structure match the package structure
$ mkdir OSBD
$ # move the source file in the directory structure so it matches the package structure
$ mv FastConnect.java OSBD/
$ # compile OSBD/FastConnect.java to OSBD/FastConnect.class
$ javac OSBD/FastConnect.java
$ # launch java using the OSBD/FastConnect class
$ java -cp . OSBD.FastConnectNote that the package 'OSBD' does not follow the recommended naming conventions
you might consider changing that to 'osbd'.

How dynamically create connection pool and Datasource

Hi
How I can dynamically create a connection pool and Data source in Oracle 10g Application server. In our J2EE application the user will be login with db user name, password and database name. I want to create connection pool and data source on the fly while login the user with database name. I our application we have access approximate 80 Databases. so my approach is given bellow
1) Planning to create 80 connection pools and 80 Data sources so when user logs in while selecting the db name i will call the appropriate data source and create the DB connection. Is there any limitation to create number of data sources in oracle app server?
2) Create DB connection with out using connection pool and data source. But i am not prefer this approach coz we need to handle some transaction in our application.
Kindly throw some light on managing connection pool programmatically or in application run time.
I would really appreciate if any one can provide any links or any inormation on this issue.
Thanks in advance.

Kindly let me know is there any drawbacks to create 80 Data Sources to connect 80 database in Oracle 10G App server and each data sources should have one connection pool. so i need to create 80 connection pool. Please let me know is this right approach or any work around to create Data source on fly for each request for corresponding database.

How to use connection pooling in jsp?

I'm new to world of JSP. I'm developing web application using Oracle 8i and JSP to implement it. I'm using jakarta-tomcat server for this purpose.
I'll frequently access the database. so I want to use the connection pooling.
Can anybody explain the simple procedure to use it
thanx

Hello syyuen,
Please help me, here iam sending u my server.xml , web.xml and servlet
application. I put classes12.jar in tomcat/common/lib. and above servlet
class application under tomcat/webapps/root/web-inf/classes
and this is a simple servlet program for getting connection from the
connection pool of tomcat using tyrex..
my oracle database name is "myuser" and password is "mypass"
either u check my server.xml or tell me where under which tag should i
place <Resource...> tag in server.xml and should i need to modify any
other places..??
server.xml
<Server port="8005" shutdown="SHUTDOWN" debug="0">
          
<Service name="Tomcat-Standalone">
     
<Connector className="org.apache.catalina.connector.http.HttpConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" connectionTimeout="60000"/>
          
<Connector className="org.apache.ajp.tomcat4.Ajp13Connector"
port="8009" minProcessors="5" maxProcessors="75"
acceptCount="10" debug="0"/>
          
<Engine name="Standalone" defaultHost="localhost" debug="0">
     
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt"
timestamp="true"/>
     
               
               
<Realm className="org.apache.catalina.realm.JDBCRealm" debug="99"
          driverName="oracle.jdbc.driver.OracleDriver"
               connectionURL="jdbc:oracle:thin:@oracle:1521:ORCL"
connectionName = "mail"
connectionPassword = "mail"
          userTable="users" userNameCol="user_name" userCredCol="user_pass"
               userRoleTable="user_roles" roleNameCol="role_name" />
                    
               
<Host name="localhost" debug="1" appBase="webapps" unpackWARs="true">
     <Valve className="org.apache.catalina.valves.AccessLogValve"
     directory="logs" prefix="localhost_access_log." suffix=".txt"
     pattern="common"/>
<Logger className="org.apache.catalina.logger.FileLogger"
directory="logs" prefix="localhost_log." suffix=".txt"
     timestamp="true"/>
               
               
               
<Context path="/manager" docBase="manager" debug="0" privileged="true"/>

     <Context path="/localhost" docBase="localhost" debug="0" reloadable="false" override="true">
          <Resource name="jdbc/myConnection" auth="SERVLET" type="javax.sql.DataSource"/>
          <ResourceParams name="jdbc/myConnection">
               <parameter><name>user</name><value>myuser</value></parameter>
               <parameter><name>password</name><value>mypass</value></parameter>
               <parameter><name>driverClassName</name><value>oracle.jdbc.driver.OracleDriver</value></parameter>
               <parameter>
                    <name>url</name>
                    <value>jdbc:oracle:thin:@oracle:1521:ORCL</value>
               </parameter>
               <parameter>
                    <name>maxActive</name>
                    <value>32</value>
               </parameter>
               <parameter>
                    <name>maxIdle</name>
                    <value>10</value>
               </parameter>
          </ResourceParams>




</Context>
</Host>
</Engine>
</Service>
     
<Service name="Tomcat-Apache">
<Connector className="org.apache.catalina.connector.warp.WarpConnector"
port="8008" minProcessors="5" maxProcessors="75"
enableLookups="true" appBase="webapps"
acceptCount="10" debug="0"/>
               
<Engine className="org.apache.catalina.connector.warp.WarpEngine"
name="Apache" debug="0">
               
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="apache_log." suffix=".txt"
timestamp="true"/>
               
<Realm className="org.apache.catalina.realm.MemoryRealm" />
</Engine>
</Service>
</Server>
web.xml
<web-app>
<servlet>
<servlet-name>conServlet</servlet-name>
<servlet-class>conServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>conServlet</servlet-name>
<url-pattern> /conServlet </url-pattern>
</servlet-mapping>
<resource-ref>
<description> Resource reference to java.sql.Connection
factory defined in server.xml
</description>
<res-ref-name>jdbc/myConnection</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
servlet application
DataSource ds = (DataSource) new InitialContext().lookup("java:comp/env/jdbc/myConnection");
conn = ds.getConnection();
out.println("conn : " + conn);

How to monitor connection pools using wlsd

Hi
i need to monitor connectionpools , i dont know that much about wlsd, how can we configure wlsd to monitor connection pools.
Cheers
Raghu

U can use a Simple Java Code for that: http://jaysensharma.wordpress.com/2010/02/19/jdbcconnectionpool-parameters-using-jmx/
In the above program you need to just change the following 4-lines:
int port = 7001; // AdminServer Port
String hostname = “localhost”; // AdminSewrver HostName
h.put(Context.SECURITY_PRINCIPAL, “weblogic”); // AdminUserName
h.put(Context.SECURITY_CREDENTIALS, “weblogic”); // Admin Paassword...
====================================
Using WLST if you want to do it then you need to edit the following Script a Bit : http://jaysensharma.wordpress.com/2010/03/23/testing-datasource-status-using-wlst/

How to update Connection pool in Unix environment?

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