RE: Error found while connecting to mysql from JSP page deployed on tomcat

[Les Hughes <le...@rubus.com>]

I had similar problems. Here's my solution
http://marc.theaimsgroup.com/?l=tomcat-user&m=102225547106556&w=2

Hope this helps.

> -----Original Message-----
> From: Jayanta Halder [mailto:JHALDER@dfg.ca.gov]
> Sent: 14 June 2002 01:24
> To: tomcat-user@jakarta.apache.org
> Subject: Error found while connecting to mysql from JSP page 
> deployed on
> tomcat
> 
> 
> Hi,
>  
> I have installed tomcat on HP-UX box.I have deployed my web 
> application
> on tomcat container.I have copied mysql JDBC driver under common/lib
> area.
>  
> While running the application i am getting following error ....
>  
> Cannot load JDBC driver class 'null'
> java.lang.NullPointerException:
>         at java.lang.Class.forName0(Native Method)
>         at java.lang.Class.forName(Unknown Source)
>         at
> org.apache.commons.dbcp.BasicDataSource.createDataSource(Unknown
> Source)
>         at
> org.apache.commons.dbcp.BasicDataSource.getConnection(Unknown Source)
>         at org.apache.jsp.index_0005fmysql$jsp._jspService(Unknown
> Source)
>         at org.apache.jasper.runtime.HttpJspBase.service(Unknown
> Source)
>         at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at org.apache.jasper.servlet.JspServletWrapper.service(Unknown
> Source)
>         at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown
> Source)
>         at org.apache.jasper.servlet.JspServlet.service(Unknown
> Source)
>         at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(Unknown
> Source)
>         at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown
> Source)
>         at 
> org.apache.catalina.core.StandardWrapperValve.invoke(Unknown
> Source)
>         at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invokeNext(Unkno
> wn Source)
>         at org.apache.catalina.core.StandardPipeline.invoke(Unknown
> Source)
>         at org.apache.catalina.core.ContainerBase.invoke(Unknown
> Source)
>         at 
> org.apache.catalina.core.StandardContextValve.invoke(Unknown
> Source)
>         at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> eContext.invokeNext(Unkno
> wn Source)
>         at org.apache.catalina.core.StandardPipeline.invoke(Unknown
> Source)
>         at org.apache.catalina.core.ContainerBase.invoke(Unknown
> Source)
>         at org.apache.catalina.core.StandardContext.invoke(Unknown
> Source)
>         at org.apache.catalina.core.StandardHostValve.invoke(Unknown
> Source)
> 
>  
> Can u please tell me what is wrong ?
> 
> Thanks,
> 
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