Data sources offer a
portable, vendor-independent method for creating connections to databases. A
data source object's properties are set in a JNDI service provider so that it
represents a particular database.
An application can
use JNDI Naming to do a lookup and use the data source for getting a
connection.
·
Oracle XE database with HR schema
·
Oracle Weblogic Server 11g ( 10.3)
Login into Weblogic console. The hostname and
port number might be different than what is being used here.
b.
Username: Weblogic
c.
Password: welcome1
Expand “Services” and click on “Data Sources” in
the left hand Domain Structure tree menu. List of currently configured
displayed in the right pane. Click on “New” button to add a new data source and
select “Generic Data Source”.
In the “Create a New JDBC Data Source”, enter the following
information
a.
Name
– used within Weblogic for display
b.
JNDI Name
– a JNDI name to bind the Data Source in the JNDI services. Used to refer to
the Data Source from Java or other applications. JDBC data sources typically
have format: jdbc/DS.
c.
Database
Type – Select database type from the list of databases like Oracle, MySQL, Derby,
MS SQL Server etc.
Click Next
In the JDBC Data Source
Properties, select the Database Driver
Click
Next.
Click Next in the Transaction Options screen
Specify the Connection Properties
Click Next
In the Test Database Connection screen click on
“Test Configuration” to test the settings.
Should get a message “Connection Test
succeeded”.
Click Next
In
the “Select Targets” screen, select the Weblogic servers in which the new data
source has to be
deployed
and click on “Finish”. The new data source should be visible in the data
sources list.
To use the data source from a standalone java client (NOT for J2EE clients) some libraries are required.
To generate required lib wljarbuilder.jar :
To generate required lib wljarbuilder.jar :
•
Navigate WLS\server\lib
•
java –jar wljarbuilder.jar
•
This will generate wlfullclient.jar
•
Add this to classpath/app libraries
•
(2) Modify this "setStartupEnv.cmd"
file under the domain path so that remote app (like java prg) can use WL
services.
•
Path will be like this for integrated WLS
(12c):- C:\Users\\AppData\Roaming\JDeveloper\system12.1.2.0.40.66.68\DefaultDomain\bin\setStartupEnv.cmd
•
In this file need to update 4 places
this parameter to set true
"-Dweblogic.jdbc.remoteEnabled=true".
•
May also verify the below URL for weblogic
11g remote jdbc enabling.Enable
Remote
JDBC to connect to a Weblogic data Source -- TechnicalConfessions.com
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