jdbc/taglibs issue

I am trying a simple JSTL example. I am using tomcat4.0.1, jdk1.4.1_01,
red hat 8.0, jstl 1.0 implementation from sun, postgresql 7.3.2 with jdbc
drivers pg73jdbc3.jar.

In my example I create a data source and run a query. The server responds
with a "No suitable driver" message. I have tried the same query in a
Servlet, and it works fine. Is this a driver compatibility issue? I am
pretty sure my container is finding the pgsql jdbc drivers - I have
explicitly put them in the tomcat startup classpath, and in
java_home/lib/ext.

I have attached a snippet from my jsp and exception stacktrace. If someone
can help me fix this issue, I would greatly appreaciate it.

Thanks,
Tanu

Here is my jsp:
<sql:setDataSource
var="example"
driver="org.postgresql.Driver"
url="jdbc:postgresql:pandavs"
user="username"
password="password"
/>

<sql:transaction dataSource="${example}">

<sql:query var="deejays">
SELECT * FROM category
</sql:query>

</sql:transaction>

And here is the exception stacktrace:

javax.servlet.ServletException: Error getting connection: "No suitable
driver"
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:471)
at org.apache.jsp.query$jsp._jspService(query$jsp.java:241)
at
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2349)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:644)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:644)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:644)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:376)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:518)
at java.lang.Thread.run(Thread.java:536)

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