Hi,
I am also having the problem with the connection pools. Since I am
writing an application first time by using connection pools, I created a
test application DBTest. I edited my server.xml and web.xml (of my
application in following way--
#added to server.xml
<Context path="/DBTest" docBase="DBTest" debug="0"
reloadable="true">
<ResourceParams name="jdbc/conversion">
<parameter>
<name>username</name>
<value>ROOT</value>
</parameter>
<parameter>
<name>password</name>
<value>PASSWORD</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.mysql.jdbc.Driver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost/DB</value>
</parameter>
</ResourceParams>
</Context>
#web.xml
<web-app>
<description>MySQL Test App</description>
<resource-ref>
<res-ref-name>jdbc/conversion</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
And I added the following statements to my Java class, (which works
fine, when I use the connection objects by hardcoding the username and
db).--
Context init = new InitialContext();
Context ctx = (Context) init.lookup("java:comp/env");
DataSource dataSource = (DataSource)ctx.lookup("jdbc/conversion");
But even after, making these changes, I cannot read any thing from
database. I was wondering what more changes I need to made. I also tried
to run my JAVA class (DAO) from command line, but I get the following
exception--
Need to specify class name in environment or system property, or as an
applet parameter, or in an application resource file:
java.naming.factory.initial
I tried to print outs the place where exception occurs in my code and
found that exception occurs at
dataSource = (DataSource)ctx.lookup("jdbc/conversion");
Can any body please comment on whats going on wrong? When I run from
command line, is tomcat used, I don't think so? So where is the problem?
Any ideas??
Avinash Arora
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