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From "Terence M. Bandoian" <>
Subject Re: Host appBase vs Context docBase
Date Sat, 05 Jul 2014 16:48:36 GMT
On 7/4/2014 9:04 PM, Igal @ wrote:
> I'm a little confused about the Host appBase attribute.
> Let's say that my website resides in D:\www\site1
> I don't like using {Tomcat}/webapps so I don't want to have it as a 
> base directory for websites.  What I've been doing so far is create an 
> empty folder alongside "webapps", named "empty", and use it as 
> appBase, e.g.
> <Host name="Site1" appBase="empty" unpackWARs="false" autoDeploy="false">
>   <!-- this works but what's the deal with appBase? !-->
>   <Context path="/" docBase="D:/www/site1" />
> </Host>
> But it feels like I'm doing something wrong.  I expect this to work, 
> but it doesn't:
> <Host name="Site1" appBase="D:/www/site1" unpackWARs="false" 
> autoDeploy="false">
>   <!-- this doesn't work !-->
> </Host>
> Can anyone explain why the snippet above doesn't work, and if that is 
> the way it should be, then what is the purpose of Host/appBase?

Hi, Igal-

What version of Tomcat are you using?  Also, it is recommended that 
<Context> elements not be placed directly in server.xml.  See:

That said, you shouldn't need the empty directory.  I've used an 
absolute path for the <Host> appBase attribute with relative paths for 
<Context> docBase attributes in Tomcat 6 and 7 without any problems.  I 
haven't tried it with absolute paths for both appBase and docBase.

Lastly, are you sure you want "/" for the <Context> path attribute in 
the first example above?  The <Context> path for the default web 
application of a <Host> should be an empty string ("").  See:

-Terence Bandoian

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