A question about load balancers and Terracotta clustering

Wessel, Keith William kwessel at illinois.edu
Fri Jul 13 16:33:15 EDT 2012


Hi, all,

Alright, as suggested, I'm trying the dev-console route. I know this isn't the Terracotta support list, but I'm hoping someone can help me out here.

I hate when I have to spend time diagnosing my diagnostics!

Seems that dev-console.sh isn't starting.

&* I know My remote X display is working as I can open an xterm.
* the ~/.dev-console.log.0 file gets created but nothing's in it.
* I even tried copying my tc-config.xml to ~/.AdminClient.xml to see if it'd be happier with a config file.

All it does when I run dev-console.sh is creates the .dev-console.log.0 if it doesn't exist then terminates.

Anyone have any suggestions as to what I might add to the JAVA_OPTS or elsewhere to get this thing to give me some debugging info? Or has anyone seen this behavior before?

Thanks,
Keith

-----Original Message-----
From: users-bounces at shibboleth.net [mailto:users-bounces at shibboleth.net] On Behalf Of Christopher Bongaarts
Sent: Wednesday, July 11, 2012 2:15 PM
To: Shib Users
Subject: Re: A question about load balancers and Terracotta clustering

On 7/11/2012 1:30 PM, Wessel, Keith William wrote:

> Seems like something's happening when the IDP tries to write back to
> the Terracotta store at this point. I see no logs, client or server,
> on the Terracotta side corresponding with this timestamp, and I'm
> unclear how to turn up logging for Terracotta. Any suggestions on
> either getting more in the idp-process.log or the terracotta logs at
> this point from anyone would be very much appreciated.

For troubleshooting this, I would fire up the dev console, go to 
Platform/Clustered Heap/Object Browser, and search through the MapEntry 
with key=session for the session object itself.

> Also, can I assume that this means the session was successfully
> RETRIEVED from the Terracotta store at this point based on what the
> IDP found in the cookie? Just trying to figure out if I can even read
> into this that we're reading from the Terracotta store alright.

If you're hitting a different server than before, then yes.

-- 
%%  Christopher A. Bongaarts   %%  cab at umn.edu          %%
%%  OIT - Identity Management  %%  http://umn.edu/~cab  %%
%%  University of Minnesota    %%  +1 (612) 625-1809    %%


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