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Subject: Re: Down the rabbit hole with JDBC
From: Matt Burkhardt <mlb@imparisystems.com>
Reply-To: mlb@imparisystems.com
To: Tomcat Users List <users@tomcat.apache.org>
In-Reply-To: <4888F71A.7040007@cornell.edu>
References: <1216931497.7988.47.camel@mlb-laptop>
	 <4888F71A.7040007@cornell.edu>
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Organization: Impari Systems, Inc.
Date: Thu, 24 Jul 2008 18:26:40 -0400
Message-Id: <1216938401.7988.50.camel@mlb-laptop>
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Thanks - it was the first - I just had the files in the WEB-INF
directory - not in the lib

Is there some method for finding errors / logs?  Right now, I'm trying
to get an application running, and I'm just guessing.  For example, my
catalina.log file says

INFO: The listener "org.alfresco.web.app.ContextListener" is already
configured for this context. The duplicate definition has been ignored.
Jul 24, 2008 3:46:11 PM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Jul 24, 2008 3:46:11 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/alfresco] startup failed due to previous errors

Where can I go to find out what's causing this? =20

On Thu, 2008-07-24 at 17:41 -0400, David Smith wrote:

> This isn't a JDBC error as much as it's a taglib error.  You are trying=20
> to use JSTL taglibs in your web application and tomcat can't find the=20
> libraries that contain the taglib.  Things to check:
>=20
> 1. standard.jar and jstl.jar are in the webapp's WEB-INF/lib directory=20
> -- at least for jstl 1.1.  I believe jstl 1.2 consolidated things into=20
> one jar file.
>=20
> 2. The webapp's docBase is not the same as the <Host ...> element's=20
> appBase attribute in server.xml.  This has already bitten one person on=20
> the list today.
>=20
> --David
>=20
> Matt Burkhardt wrote:
> > Sorry - I've been slogging through this...
> >
> > Anyway, I'm trying to get an application working, but all of their
> > documentation talks about is tomcat5.5 and I've got tomcat6
> >
> > I have gotten the latest Connector/J binary from MySQL and installed in
> > into <tomcat>/lib but I would like to test it.  So, I went to
> >
> > http://tomcat.apache.org/tomcat-6.0-doc/jndi-datasource-examples-howto.=
html
> >
> > and followed the instructions to set up a DBTest - but I get this
> >
> > HTTP Status 500 -=20
> >
> > _______________________________________________________________________=
_
> >
> > type Exception report
> >
> > message=20
> >
> > description The server encountered an internal error () that prevented
> > it from fulfilling this request.
> >
> > exception=20
> >
> >
> > org.apache.jasper.JasperException: The absolute uri: http://java.sun.co=
m/jsp/jstl/sql cannot be resolved in either web.xml or the jar files deploy=
ed with this application
> > 	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHa=
ndler.java:51)
> > 	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.ja=
va:409)
> > 	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.ja=
va:116)
> > 	org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagL=
ibraryInfoImpl.java:315)
> > 	org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImp=
l.java:148)
> > 	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:420=
)
> > 	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:483)
> > 	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1433)
> > 	org.apache.jasper.compiler.Parser.parse(Parser.java:133)
> > 	org.apache.jasper.compiler.ParserController.doParse(ParserController.j=
ava:216)
> > 	org.apache.jasper.compiler.ParserController.parse(ParserController.jav=
a:103)
> > 	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:153)
> > 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
> > 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)
> > 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)
> > 	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.=
java:566)
> > 	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.=
java:317)
> > 	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:33=
7)
> > 	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
> > 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> >
> > Here's the code that I'm running - are the taglibs incorrect?
> >
> > <%@ taglib uri=3D"http://java.sun.com/jsp/jstl/sql" prefix=3D"sql" %>
> > <%@ taglib uri=3D"http://java.sun.com/jsp/jstl/core" prefix=3D"c" %>
> >
> > <sql:query var=3D"rs" dataSource=3D"jdbc/TestDB">
> > select id, foo, bar from testdata
> > </sql:query>
> >
> > <html>
> >   <head>
> >     <title>DB Test</title>
> >   </head>
> >   <body>
> >
> >   <h2>Results</h2>
> >  =20
> > <c:forEach var=3D"row" items=3D"${rs.rows}">
> >     Foo ${row.foo}<br/>
> >     Bar ${row.bar}<br/>
> > </c:forEach>
> >
> >   </body>
> > </html>
> >
> >
> >
> > Matt Burkhardt, MSTM
> > President
> > Impari Systems, Inc.
> > =EF=BB=BF401 Rosemont Avenue
> > Frederick, MD  21701
> > mlb@imparisystems.com
> > www.imparisystems.com
> > (301) 644-3911
> >
> >
> >
> >  =20
>=20
>=20
> ---------------------------------------------------------------------
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> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>=20

Matt Burkhardt, MSTM
President
Impari Systems, Inc.
=EF=BB=BF401 Rosemont Avenue
Frederick, MD  21701
mlb@imparisystems.com
www.imparisystems.com
(301) 644-3911


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