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Posted to users@tomcat.apache.org by Fawaz Ahmad <fa...@csce.uark.edu> on 2002/10/04 23:17:38 UTC
JNDI help
Hello,
Can anyone help me with this problem. I have read up on Tomcat JNDI from
the Tomcat HowTo webpage and tried to implement it in my
servlet. Unfortunately, I can not seem to get it to work. My servlet
works fine when i use the original code to access the database:
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
//establish the connection
Connection conn = DriverManager.getConnection(url,dbUsr, dbPsw);
But when I try using the JNDI service my servlet doesn't seem to access
the database. I am using the following code. Is ther something trival
that I might be leaving out?
Context ctx = (Context) new InitialContext().lookup("java:comp/env");
Connection conn = ((DataSource) ctx.lookup("jdbc/WebOE")).getConnection();
where my servlet's web.xml is:
<web-app>
<resource-ref>
<res-ref-name>jdbc/WebOE</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
<servlet>
<servlet-name>WebOE</servlet-name>
<servlet-class>WebOE</servlet-class>
<init-param>
<param-name>LogPath</param-name>
<param-value>c:\test\Log</param-value>
</init-param>
</servlet>
</web-app>
And my entry to server.xml is:
<Context path="/WebOE" docBase="WebOE" debug="0" reloadable="true"/>
<Resource name="jdbc/WebOE" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/WebOE">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>username</name>
<value>weboe</value>
</parameter>
<parameter>
<name>password</name>
<value>weboe</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:microsoft:sqlserver://spacejam:1433;DatabaseName=WebOE</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>25</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>4</value>
</parameter>
</ResourceParams>
Fawaz
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