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From Robert Einsle <rob...@einsle.de>
Subject Re: jndi-datasource
Date Wed, 01 Sep 2004 11:56:29 GMT
HY

seems the same error with me :-)))

You must define the Resource beound GlobalName(blah) and connect it in
Context with the Application.

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--- cut ---
Access zu an jdbc Datasource
--- cut ---

Greetings

\Robby

Antony Paul schrieb:

> Do you have the jtds  jar in Tomcat classpath. I think it should in same
> directory as dbcp.jar which is in CATALINA_HOME\common\lib folder.
> 
> Antony Paul
> 
> ----- Original Message -----
> From: "Steve Cheng" <stevecheng@schednet.com>
> To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
> Sent: Wednesday, September 01, 2004 2:15 PM
> Subject: jndi-datasource
> 
> 
> 
>>I follow the tomcat document and try to setup JNDI in tomcat.
>>
> 
> http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-datasource-examples-how
> 
>>to.html
>>
>>But I get the following exception.
>>javax.servlet.ServletException: Cannot create JDBC driver of class '' for
>>connect URL 'null'
>>
>>
> 
> org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextI
> 
>>mpl.java:825)
>>
>>
> 
> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
> 
>>l.java:758)
>> org.apache.jsp.testDB_jsp._jspService(testDB_jsp.java:81)
>> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>>
>>
> 
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:3
> 
>>24)
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>>
>>However, If I create the following tag in the Context tag, it works fine.
>>  <ResourceLink global="jdbc/sysdev/workflow" name="jdbc/sysdev/workflow"
>>type="javax.sql.DataSource"/>
>>
>>Anybody know how to solve it?
>>
>>Thanks,
>>steve
>>
>>------------------------------------------------------------
>>
>>Tomcat Version: 5.0.27
>>JDBC Driver: jtds
>>OS: Win2k server
>>
>>segment of server.xml
>><?xml version='1.0' encoding='utf-8'?>
>><Server>
>>...
>>  <GlobalNamingResources>
>>...
>>    <Resource auth="Container" description="Workflow DB Connection"
>>name="jdbc/sysdev/workflow" type="javax.sql.DataSource"/>
>>    <ResourceParams name="UserDatabase">
>>      <parameter>
>>        <name>factory</name>
>>        <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
>>      </parameter>
>>      <parameter>
>>        <name>pathname</name>
>>        <value>conf/tomcat-users.xml</value>
>>      </parameter>
>>    </ResourceParams>
>>    <ResourceParams name="jdbc/sysdev/workflow">
>>      <parameter>
>>        <name>validationQuery</name>
>>        <value>select top 1 * from login</value>
>>      </parameter>
>>      <parameter>
>>        <name>url</name>
>>        <value>jdbc:jtds:sqlserver://sysdev/workflow</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>net.sourceforge.jtds.jdbc.Driver</value>
>>      </parameter>
>>      <parameter>
>>        <name>username</name>
>>        <value>sa</value>
>>      </parameter>
>>      <parameter>
>>        <name>maxIdle</name>
>>        <value>2</value>
>>      </parameter>
>>    </ResourceParams>
>>  </GlobalNamingResources>
>>...
>></Server>
>>
>>web.xml
>><?xml version="1.0" encoding="UTF-8"?>
>><web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
>>xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
>>http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
>>  <display-name>Workflow</display-name>
>>  <description>Workflow</description>
>>  <resource-ref>
>>      <description>Workflow DB Connection</description>
>>      <res-ref-name>jdbc/sysdev/workflow</res-ref-name>
>>      <res-type>javax.sql.DataSource</res-type>
>>      <res-auth>Container</res-auth>
>>  </resource-ref>
>></web-app>
>>


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