-----Original Message-----
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Sent: Tuesday, April 28, 2015 10:12 AM
To: Tomcat Users List
Subject: Re: JNDI realm Global Catalog question

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Hash: SHA256

Neil,

On 4/28/15 9:48 AM, Lazarow, Neil wrote:
> I have multiple domain controllers, all of which are set to function
> as global catalog servers.
>
> Is it possible to put multiple alternateURL entires into your
> JNDIRealm confiugration (see example below)?
>
> Tomcat Version:  6.0.33 on Red Hat Enterprise Linux 5
>
> ------------------ <Realm
> className="org.apache.catalina.realm.JNDIRealm" adCompat="true"
> connectionURL="ldaps://ldap1.my.domainname.com:3269"
> alternateURL="ldaps://ldap2.my.domainname.com:3269"
> alternateURL="ldaps://ldap3.my.domainname.com:3269"
> connectionName="u...@my.domain.com" connectionPassword="password"
> referrals="follow" userBase="CN=Users,dc=my,dc=domainname,dc=com"
> userSearch="(sAMAccountName={0})" userSubtree="true"
> userRoleName="memberOf"
> roleBase="CN=Users,dc=my,dc=domainname,dc=com" roleName="CN"
> roleSearch="(member={0})" roleNested="true" />

I don't think this is currently supported, but it would be a nice enhancement. 
Could you make a request in Bugzilla? http://bz.apache.org/

In the meantime, you might be able to get away with a configuration like this:

<Realm className="org.apache.catalina.realm.CombinedRealm">
  <Realm className="org.apache.catalina.realm.JNDIRealm"
         connectionURL="ldaps://server-1"
         ... />
  <Realm className="org.apache.catalina.realm.JNDIRealm"
         connectionURL="ldaps://server-2"
         ... />
  <Realm className="org.apache.catalina.realm.JNDIRealm"
         connectionURL="ldaps://server-3"
         ... />
</Realm>

The timeouts you'll experience to fail-over from one server to the other might 
not be acceptable for you, though.

- -chris
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Chris,

        This is what I suspected.  I looked through a bunch of documentation 
before
        sending this question out, and found nothing.  Thanks for your answer.

Neil



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