I believe you have the various jar's in the "wrong" locations. They're
wrong because, even though all the classes
you need are there, they end up in incompatible class loaders. Make sure
that:
* tyrex jar, jta jar, and jdbc optional jar are in common/lib.
* your JDBC driver jar is in common/lib, and *not* also in WEB-INF/lib
Possibly other setups will work correctly -- the stuff above works for us.
I know definitely that mislocating jar's
-- like putting drivers in server/lib -- results in the exact CCE that you
list below.
- Fernando
"Alessandro
Pizzolotto" To: <[EMAIL PROTECTED]>
<ale@extraweb. cc: (bcc: Fernando Salazar/CAM/Lotus)
it> Subject: Re: ClassCastException
10/03/2001
11:10 AM
Please respond
to tomcat-dev
hehehe
if i use this class:
tyrex.jdbc.xa.EnabledDataSource
instead
javax.sql.DataSource
the program works fine
the problem is that EnableDataSource implements javax.sql.DataSource but i
can't cast javax.sql.DataSource.
why ???
Alessandro
----- Original Message -----
From: "Will Stranathan" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 03, 2001 3:04 PM
Subject: Re: ClassCastException
> Can we see the appropriate parts of server.xml and web.xml?
>
> Will Stranathan
>
> Alessandro Pizzolotto wrote:
>
> > this code
> >
> > javax.naming.Context ctx = new javax.naming.InitialContext();
> > javax.naming.Context cto =
(javax.naming.Context)ctx.lookup("java:/comp/env");
> > javax.sql.DataSource ds =
(javax.sql.DataSource)cto.lookup("jdbc/domus");
> >
> > produce this error
> >
> > java.lang.ClassCastException: tyrex.jdbc.xa.EnabledDataSource
> > at org.apache.jsp.ricerca3$jsp._jspService(ricerca3$jsp.java:74)
> > at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:1264)
> > at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja
va: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:1264)
> > at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
> > at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
> > at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
> > at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
> > at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
> > at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> > at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:215)
> > at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
> > at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
> > at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> > at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2366)
> > at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164
)
> > at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
> > at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)
> > at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
> > at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
> > at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> > at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:163)
> > at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
> > at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
> > at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> > at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:
1005)
> > at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1098
)
> > at java.lang.Thread.run(Thread.java:484)
> >
> > the code not get the cast in DataSource
> > why ?
> > tanks
> > Alessadro
> >
> >
>
>
>
