How to define UserDatabase for webapp in context?

[Karim Kanso]

I have been trying to create a context xml file for a webapp so that
it encapsulates all needed server side configuration for
authentication to work. That is, it contains both the <Realm> and
<Resource> elements.

I dont understand why the following definition of a context does not
work (although does work when the <Resource> element is moved into
server.xml):

$ cat conf/Catalina/localhost/tomcatapp.xml
<?xml version="1.0" encoding="UTF-8"?>
<Context>
 <Resource
     name="MyUserDatabase"
     auth="Container"
     type="org.apache.catalina.UserDatabase"
     factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
     pathname="conf/myapp-users.xml"
     />
 <Realm
     className="org.apache.catalina.realm.UserDatabaseRealm"
     resourceName="MyUserDatabase"
     />
</Context>

This gives the error:

javax.naming.NameNotFoundException: Name [MyUserDatabase] is not bound
in this Context. Unable to find [MyUserDatabase].

The documentation shows that the <Resource> element is valid within a
<Context>. Is it possible to do this?

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[Mark Thomas-2]

On 29/01/2021 08:49, Karim Kanso wrote:

> I have been trying to create a context xml file for a webapp so that
> it encapsulates all needed server side configuration for
> authentication to work. That is, it contains both the <Realm> and
> <Resource> elements.
>
> I dont understand why the following definition of a context does not
> work (although does work when the <Resource> element is moved into
> server.xml):
>
> $ cat conf/Catalina/localhost/tomcatapp.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <Context>
>  <Resource
>      name="MyUserDatabase"
>      auth="Container"
>      type="org.apache.catalina.UserDatabase"
>      factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
>      pathname="conf/myapp-users.xml"
>      />
>  <Realm
>      className="org.apache.catalina.realm.UserDatabaseRealm"
>      resourceName="MyUserDatabase"
>      />
> </Context>
>
> This gives the error:
>
> javax.naming.NameNotFoundException: Name [MyUserDatabase] is not bound
> in this Context. Unable to find [MyUserDatabase].
>
> The documentation shows that the <Resource> element is valid within a
> <Context>. Is it possible to do this?

http://tomcat.apache.org/tomcat-9.0-doc/config/realm.html

Search for "localDataSource"

Mark

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[Karim Kanso]

On Fri, 29 Jan 2021 at 09:23, Mark Thomas <[hidden email]> wrote:

>
> On 29/01/2021 08:49, Karim Kanso wrote:
> > I have been trying to create a context xml file for a webapp so that
> > it encapsulates all needed server side configuration for
> > authentication to work. That is, it contains both the <Realm> and
> > <Resource> elements.
> >
> > I dont understand why the following definition of a context does not
> > work (although does work when the <Resource> element is moved into
> > server.xml):
> >
> > $ cat conf/Catalina/localhost/tomcatapp.xml
> > <?xml version="1.0" encoding="UTF-8"?>
> > <Context>
> >  <Resource
> >      name="MyUserDatabase"
> >      auth="Container"
> >      type="org.apache.catalina.UserDatabase"
> >      factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
> >      pathname="conf/myapp-users.xml"
> >      />
> >  <Realm
> >      className="org.apache.catalina.realm.UserDatabaseRealm"
> >      resourceName="MyUserDatabase"
> >      />
> > </Context>
> >
> > This gives the error:
> >
> > javax.naming.NameNotFoundException: Name [MyUserDatabase] is not bound
> > in this Context. Unable to find [MyUserDatabase].
> >
> > The documentation shows that the <Resource> element is valid within a
> > <Context>. Is it possible to do this?
>
> http://tomcat.apache.org/tomcat-9.0-doc/config/realm.html
>
> Search for "localDataSource"
>
> Mark
>
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>

Ah ok. Thankyou Mark.

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