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From "Altrock, Jens" <Jens.Altr...@STADT-NW.DE>
Subject AW: Restrict access to webapps for IPs
Date Wed, 11 May 2005 08:28:11 GMT
Ok, thanks again. Got it now working :)


> -----Urspr√ľngliche Nachricht-----
> Von: Lutz Zetzsche [mailto:Lutz.Zetzsche@sea-rescue.de]
> Gesendet: Mittwoch, 11. Mai 2005 09:35
> An: Tomcat Users List
> Betreff: Re: Restrict access to webapps for IPs
> 
> 
> Hi Jens,
> 
> Am Mittwoch, 11. Mai 2005 09:01 schrieb Altrock, Jens:
> > > -----Urspr√ľngliche Nachricht-----
> > > Von: Lutz Zetzsche [mailto:Lutz.Zetzsche@sea-rescue.de]
> > > Gesendet: Mittwoch, 11. Mai 2005 08:50
> > > An: Tomcat Users List
> > > Betreff: Re: Restrict access to webapps for IPs
> > >
> > >
> > > Hi Jens,
> > >
> > > Am Mittwoch, 11. Mai 2005 08:17 schrieb Altrock, Jens:
> > > > Ok tried it again.. first some more information:
> > > > I am using Tomcat 5.0.28 on Redhat Fedora Core 3, installed in
> > > > /usr/local/tomcat
> 
> [...]
> 
> > > > I have to mention that I did neither write that app nor 
> know much
> > > > about it anyway.. it uses a JDBC connection
> > > > to a mysql database to write data to that db. But after
> > >
> > > creating that
> > >
> > > > config file mentioned above, the
> > > > JDBC driver didn't work anymore...
> > > >
> > > > Anyone can help me with that?
> > >
> > > It looks like your new Context definition is overriding 
> an existing
> > > Context definition for this web application which contains
> > > the resource
> > > definition for the MySQL database.
> > >
> > > So you should have a look at your 
> $CATALINA_HOME/conf/server.xml if
> > > there might be a existing Context definition inside the related
> > > Host element.
> >
> > I looked at the $CATALINA_HOME/conf/server.xml file, but can't find
> > anything like that inside the HOST element. It's the standard
> > server.xml file though, I don't know in what way a servlet 
> itself can
> > change that file; but I don't think it can.
> >
> > > You should also look for a context.xml in the
> > > $CATALINA_HOME/webapps/[webapp]/META-INF/ directory for the same
> > > reason.
> >
> > I did, but there is none, and there never was one. That's what I
> > thought first,
> > but there's just a MANIFEST.MF file inside.
> 
> If the MySQL database base connection has worked before and will work 
> again, when you remove your newly created Context file, then 
> there has 
> to be a Resource definition for it somewhere.
> 
> As you are using Linux why don't you simply search the files in the 
> $CATALINA_HOME directory for this Resource definition? I.e. like this:
> 
> 	grep -R "mysql" /usr/local/tomcat
> 
> This way, you should find the file defining the MySQL 
> resource for your 
> web application (context). Then proceed as I suggested.
> 
> 
> Best wishes
> 
> Lutz
> 
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