Re: [users@httpd] problem with proxy balancer-manager

Colin Murtaugh <cmurtaugh@xxxxxxxxx> · Wed, 5 Oct 2005 15:06:07 -0400

FYI --  I've submitted a patch for this to the dev list and to  

bugzilla.  The bug # is 36816.

--Colin

On Sep 29, 2005, at 8:14 AM, Jim Jagielski wrote:

Thanks... Looking into it now and seeing if it still happens
in 2.1.8.

Heiko Jansen wrote:

I can confirm Colins report: installed httpd 2.1.7 this morning  

and witnessed

the exact same problem.
Heiko

Am Montag, 26. September 2005 16:15 schrieb Colin Murtaugh
<cmurtaugh@xxxxxxxxx> [Re: [users@httpd] problem with proxy
balancer-manager]:

On Sep 22, 2005, at 2:57 PM, Jim Jagielski wrote:

Colin Murtaugh wrote:

<Proxy balancer://mycluster>
     BalancerMember http://servera.domain.com/proxytest retry=10
loadfactor=1
     BalancerMember http://serverb.domain.com/proxytest retry=10
loadfactor=1
</Proxy>

ProxyPass /proxytest balancer://mycluster lbmethod=byrequests

<Location /balancer-manager>
     SetHandler balancer-manager
</Location>

The proxy seems to work -- requests are sent to servera and  

serverb

-- but the balancer-interface doesn't work right.   I see the  

'Load   

balancer status' section, and if I click on either of the  

hostnames

of the cluster members, I see the 'Edit balancer settings'  

section,

but I don't see the 'Edit worker settings' section.  So, I can't

enable/disable cluster members via the interface.  The  

documentation

for mod_proxy (under Apache 2.1) indicates that this should be
possible.

Has anyone else seen this behavior?

To edit the workers, you must click their links under the
main section. You should see them under the Host table header.
--

Ok - so I've played with the configuration a bit more, and I
discovered that if my BalancerMember directives have either a port
number or a path, the BalancerManager doesn't work properly.
Clicking on the hostname of a worker brings up the 'Edit balancer
settings' instead of the 'Edit worker settings' form.

E.g., this won't work:

<Proxy balancer://mycluster>
     BalancerMember http://my.server.com:8080
     BalancerMember http://other.server.com:8080
</Proxy>

and this won't work:

<Proxy balancer://mycluster>
     BalancerMember http://my.server.com/myapp
     BalancerMember http://other.server.com/myapp
</Proxy>

but this will work:

<Proxy balancer://mycluster>
     BalancerMember http://my.server.com
     BalancerMember http://other.server.com
</Proxy>

Note that the two top examples do _proxy_ correctly, it's just the
BalancerManager interface that doesn't work right.

--Colin

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 Jim Jagielski   [|]   jim@xxxxxxxxxxx   [|]   http://www.jaguNET.com/
           "If you can dodge a wrench, you can dodge a ball."

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