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Date: Tue, 8 Feb 2005 17:13:44 +0100
From: Omar Adobati <omar.adobati@gmail.com>
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To: Tomcat Users List <tomcat-user@jakarta.apache.org>
Subject: Re: [SOLVED] Form Auth + xml users database
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nobody can help me?


On Mon, 7 Feb 2005 09:57:32 +0100, Omar Adobati <omar.adobati@gmail.com> wrote:
> Thx for ur answers, I have reied what you say about the second
> question, but it's do not work. This is how I have changed my
> "context.xml" file:
> ===
> <?xml version='1.0' encoding='utf-8'?>
> <Context privileged="true" swallowOutput="true"
> workDir="work\Catalina\photoalbum\" path="/" cacheTTL="0"
> cachingAllowed="false" displayName="bannerEmbedded beta" docBase="."
> cacheMaxSize="0" reloadable="true">
>  <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
> resourceName="PhotoAlbum"/>
>  <Valve className="org.apache.catalina.valves.AccessLogValve"
> directory="logs/photoalbum/" fileDateFormat="yyyy-MM-dd" suffix=".txt"
> prefix="photoalbum_access_log."/>
>  <!--<ResourceLink name="PhotoAlbum" global="PhotoAlbum"
> type="org.apache.catalina.UserDatabase"/>-->
>  <Resource type="org.apache.catalina.UserDatabase" description="User
> database that can be updated and saved" auth="Container"
> name="PhotoAlbum"/>
>    <ResourceParams name="PhotoAlbum">
>    <parameter>
>      <name>factory</name>
>      <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
>    </parameter>
>    <parameter>
>      <name>pathname</name>
>      <value>conf/Catalina/photoalbum.localhost/photoalbum-users.xml</value>
>    </parameter>
>  </ResourceParams>
> </Context>
> ===
> 
> I have removed the ResourceParams from the server.xml file and move it
> into the context.xml but in the log I can read this errors messages:
> 1) javax.naming.NameNotFoundException: Name PhotoAlbum is not bound in
> this Context
> 2) GRAVE: Catalina.start:
> LifecycleException:  No UserDatabase component found under key PhotoAlbum
> 3) 2005-02-07 09:55:30 UserDatabaseRealm[photoalbum.localhost]:
> Exception looking up UserDatabase under key PhotoAlbum
> javax.naming.NameNotFoundException: Name PhotoAlbum is not bound in this Context
> 
> do u know why? I have I have give you all the elements you need to help me.
> 
> On Sun, 06 Feb 2005 22:21:21 +0100, Mario Winterer
> <mario.winterer@eduhi.at> wrote:
> > Hi!
> >
> > I'm happy you could solve your problem now! Seems the reason was the
> > missing Realm-definition in your context.xml.
> >
> > To Question 1)
> > Tomcat offers a separate JNDI-namespace for each web application (so if
> > you have 4 web applications you will have 4 namespaces). These
> > namespaces are configured in the <context>-elements of the corresponsing
> > web-applications. To define resources, you have to nest a
> > <Resource>-element in your <context>-element (which should be in
> > context.xml).
> > A resource that is defined in the namespace of a web application cannot
> > be seen by other web applications (because the namespaces are separated
> > from each other).
> > Sometimes, a resource may be required by more than one web application.
> > To avoid configuring this resource several times - once per context -
> > tomcat offers another namespace that is global and exists only once per
> > tomcat instance. If you define a resource there, you can use it in each
> > web application, that is allowed to use it.
> > So how can you allow a web application to use a global resource? Simply
> > "link" the global resource into the local JNDI-namespace of the
> > web-application! This can be done by nesting a <ResourceLink> element in
> > the <context> element of the web-application that should be allowed to
> > use the resource. When defining a <ResourceLink>-element, you must
> > specify, which global resource you want to link into the namespace
> > (attribut "global"), which type the resource is that you want to link
> > (attribut "type"), and which name it should have in the local namespace
> > (attribut "name") - this name can be equal to the global name.
> >
> > So the server.xml and context.xml hierarchy could look like the
> > following (sorry for the "text-art" - use a fixed width font for "best
> > results"):
> >
> > +- Server
> >   |
> >   +- GlobalNamingResources
> >   |  +- Resource GlobResA
> >   |  +- Resource GlobResB
> >   |
> >   +- Service
> >      +- Engine
> >         +- Realm X
> >         +- Host www.A.org
> >         |  +- Context /A1 (defined in context.xml)
> >         |  |  +- ResourceLink to GlobResA, name: LocResA
> >         |  |
> >         |  +- Context /A2 (defined in context.xml)
> >         |  |  +- ResourceLink to GlobResA, name: LocResA
> >         |  |  +- ResourceLink to GlobResB, name: LocResB
> >         |  |
> >         |  +- Context /A3 (defined in context.xml)
> >         |     +- Resource, name LocalResA
> >         |
> >         +- Host www.B.org
> >            +- Context /B1
> >            |  +- ResourceLink to GlobResA, name: LocResA
> >            |
> >            +- Context /B2
> >               +- ResourceLink to GlobResB, name: LocResB
> >
> > Question 2) If you do not want to change server.xml (e.g. because you
> > want to deploy your application to a foreign server and you cannot
> > modify server.xml there), you could define a local JNDI-Resource in the
> > <context>-element of your web-application instead of the
> > GlobalNamingResource (simply move the resource-definition from
> > <GlobalNamingResource> into your <context>-element). If you do this, of
> > course you do not need the <ResourceLink> any more!
> > So you do not have to touch server.xml because all configurations can be
> > done inside context.xml which is in the meta-inf directory of your web
> > application.
> >
> > I hope, my explanations where understandable!
> >
> > Best regards,
> >  Tex
> >
> >
> > Omar Adobati wrote:
> >
> > >changes in server.xml:
> > >===
> > ><GlobalNamingResources>
> > >
> > >  <Resource type="org.apache.catalina.UserDatabase" description="User
> > >database that can be updated and saved" auth="Container"
> > >name="PhotoAlbum"/>
> > >    <ResourceParams name="PhotoAlbum">
> > >    <parameter>
> > >      <name>factory</name>
> > >      <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
> > >    </parameter>
> > >    <parameter>
> > >      <name>pathname</name>
> > >      <value>conf/Catalina/photoalbum.localhost/photoalbum-users.xml</value>
> > >    </parameter>
> > >  </ResourceParams>
> > >
> > ></GlobalNamingResources>
> > >===
> > >
> > >changes in [context].xml
> > >===
> > ><?xml version='1.0' encoding='utf-8'?>
> > ><Context privileged="true" swallowOutput="true"
> > >workDir="work\Catalina\photoalbum\" path="/" cacheTTL="0"
> > >cachingAllowed="false" displayName="bannerEmbedded beta" docBase="."
> > >cacheMaxSize="0" reloadable="true">
> > >  <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
> > >resourceName="PhotoAlbum"/>
> > >  <Valve className="org.apache.catalina.valves.AccessLogValve"
> > >directory="logs/photoalbum/" fileDateFormat="yyyy-MM-dd" suffix=".txt"
> > >prefix="photoalbum_access_log."/>
> > >  <ResourceLink name="PhotoAlbum" global="PhotoAlbum"
> > >type="org.apache.catalina.UserDatabase"/>
> > > </Context>
> > >===
> > >
> > >Question 1)
> > >Also if I've red the tomcat site docs I cant understand so good what
> > >ResourceLink does. Does anyone can explain me?
> > >
> > >Question 2)
> > >Using this approach I have changed the server.xml manually. So, if I
> > >need/want to deploy my own webapp using a war file, which approach I
> > >have to use?
> > >
> > >(I'm sorry fot my bad english...)
> > >
> > >On Sun, 6 Feb 2005 20:00:04 +0100, Omar Adobati <omar.adobati@gmail.com> wrote:
> > >
> > >
> > >>>But did you "connect" the UserDatabase
> > >>>with the web-application by specifying a realm in your context?
> > >>>(context.xml or server.xml)
> > >>>
> > >>>
> > >>How can I set the Realm in my Context to specity an xml database?
> > >>(maybe this is the main problem because it actually not exist)
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: tomcat-user-help@jakarta.apache.org
> >
> >
> 
> --
> Adobati Omar
> omar.adobati@gmail.com
> 


-- 
Adobati Omar
omar.adobati@gmail.com

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