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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Question on HTTP and HTTPS requests

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bloomy
PostPosted: Thu Apr 23, 2009 7:14 am    Post subject: Question on HTTP and HTTPS requests Reply with quote

Acolyte

Joined: 11 Feb 2009
Posts: 61
Location: Bloomington, IL USA

Hi all,

I have a doubt on http and https requests. I have been thinking that http and https requests in message broker are handled by the same biphttplistener. I am in a situation where the https request are not working where as the http requests work fine on the same broker, but when we recycle the biphttp listener both the requests work fine. it happens the same way with https too.

HTTP and HTTPS are both listening on different ports but are they handled by different listeners internally within the biphttp listener.

Any ideas or information provided will be greatly appreciated.
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Hari
PostPosted: Tue Apr 28, 2009 4:17 pm    Post subject: Reply with quote

Centurion

Joined: 21 Nov 2002
Posts: 117
Location: USA

AFAIK, the same biphttplistener process handles both http and https..
Do you see any errors in your Event Viewer/syslog?

Also when the problem occurred where you able to hit the URL's through a browser.


How do you recycle just the biphttplistener (haven't tried it)?
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bloomy
PostPosted: Wed Apr 29, 2009 10:20 am    Post subject: Reply with quote

Acolyte

Joined: 11 Feb 2009
Posts: 61
Location: Bloomington, IL USA

Thanks for the response.

IBM support was confused too on this question, Level 2 said that it would be only one listener and the same listener handles http and https requests in different way(unsecured and secured). And they said, when http requests do not work even https should not as they use the same listener.

IBM Hursely Lab has confirmed that it is the same listener that handles both http and https requests but uses multiple threads, that is the reason when http requests are not https requests work and vice versa.

Quote:
How do you recycle just the biphttplistener (haven't tried it)?


By recycling the listener I mean to kill the process so that a new process comes up. This works for us all the time whenever we have a hung listener problem.
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mqjeff
PostPosted: Wed Apr 29, 2009 10:28 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

Is it possible that you have so many hung or in-use connections on http that there are none left for HTTPS?
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Hari
PostPosted: Wed Apr 29, 2009 1:54 pm    Post subject: Reply with quote

Centurion

Joined: 21 Nov 2002
Posts: 117
Location: USA

Thanks for the info.
Let us know the outcome of the PMR.
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bloomy
PostPosted: Tue May 05, 2009 10:22 am    Post subject: Reply with quote

Acolyte

Joined: 11 Feb 2009
Posts: 61
Location: Bloomington, IL USA

Quote:
Is it possible that you have so many hung or in-use connections on http that there are none left for HTTPS?


The max active threads for the httplistener can be set to any number, but if it is set to more than 200 we need to have the below explained fix installed.
http://www-01.ibm.com/support/docview.wss?rs=849&context=SSKM8N&dc=DB550&uid=swg1IC60449&loc=en_US&cs=UTF-8&lang=en&rss=ct849websphere

Our max active thread was set to more than 200, but the http listener could take only 200 concurrent transactions. anything above that the listener would go into hung state.
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