Jndi and Postgresql datasource.

[Federico Fernandez Cruz]

Hi all!

I am trying to connect to a Postgresql database using DBCP but I allways 
get this exception.

javax.servlet.ServletException: Cannot create JDBC driver of class '' for connect 
URL 'null', cause: No suitable driver
        
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
        
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
        org.apache.jsp.dbtest.index_jsp._jspService(index_jsp.java:76)
        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


in server.xml a have configured the Datasource to my database using the 
administration tool.

<GlobalNamingResources>
    <Resource name="jdbc/mydb" type="javax.sql.DataSource"/>
    <ResourceParams name="jdbc/mydb">
     <parameter>
       <name>url</name>
       
<value>jdbc:postgresql://myserver.ip.es/mydb?charSet=iso-8859-1</value>
     </parameter>
     <parameter>
       <name>password</name>
       <value></value>
     </parameter>
     <parameter>
       <name>maxActive</name>
       <value>4</value>
     </parameter>
     <parameter>
       <name>maxWait</name>
       <value>5000</value>
     </parameter>
     <parameter>
       <name>driverClassName</name>
       <value>org.postgresql.Driver</value>
     </parameter>
     <parameter>
       <name>username</name>
       <value>add</value>
     </parameter>
     <parameter>
       <name>maxIdle</name>
       <value>2</value>
     </parameter>
   </ResourceParams>
 </GlobalNamingResources>

And in my web.xml I have the following....

<resource-ref>
     <description>Resource reference to a factory for java.sql.Connection
       instances that may be used for talking to a particular
       database that is configured in the server.xml file.</description>
     <res-ref-name>jdbc/mydb</res-ref-name>
     <res-type>javax.sql.DataSource</res-type>
     <res-auth>Container</res-auth>
     </resource-ref>
What's the problem? I think I am doing everything ok, but...

I am using Tomcat 5.0.16 on windows... If I do a resource link using the 
administration tool (instead of web.xml fragment) , then all goes fine...

Any help?

Thanks in advance







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