Hi Michael,

Hmmm, I didn't know that it is actively used. Essentially, you get exceptions / crashes when you uncomment the clustering section in catalina's ofbiz-component.xml.

Also, I could be wrong, but I thought instead of using Tomcat's clustering, you instead cluster your infrastructure itself behind load balancers and mirroring solutions and whatnot.

Anyway, if I'm wrong, then the second option is to try and figure out what's wrong with clustering and how to fix it. It's a big section of CatalinaContainer and it's currently crashing because of a missing context and a manager and a few other things.

Cheers,

Taher Alkhateeb


On 13/06/17 01:03, Michael Brohl wrote:
Hi Taher,

clustering support is an important feature for enterprise installations and it worked in the past. It should be fixed if it is broken.

What makes you think that clustering is broken? How did you test it? What is not working exactly?

I recently updated the Tomcat version, could this be a source of the problem? Maybe there were changes in the configuration I have missed, although I did not find anything in the release notes.

Regards,

Michael


Am 12.06.17 um 22:57 schrieb Taher Alkhateeb:
Hi Everyone,

In reference to [1] and the refactoring work, and after multiple different
tests, I came to realize that Tomcat clustering implementation is broken
(both before and after the refactoring). The reasons are complex but they
essentially have to do with setting up the right parameters for the
cluster. So I suspect no one is using this feature?

It is therefore, my recommendation to remove clustering from
CatalinaContainer which would substantially reduce complexity of both the component configuration file and the accompanying source code which would
shave off at least 120 lines of code.

WDYT

[1] https://issues.apache.org/jira/browse/OFBIZ-9392

On Thu, Jun 8, 2017 at 3:38 PM, Taher Alkhateeb <slidingfilame...@gmail.com>
wrote:

Hey folks,

It was very painful and slow, but I finally got a working almost
full-rewrite of the CatalinaContainer. I need help with testing, reviews,
and code improvements.

Details are found in [1]. There are no functional changes, just a rewrite.
I appreciate all the help and feedback.

[1] https://issues.apache.org/jira/browse/OFBIZ-9392

Cheers,

Taher Alkhateeb






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