Changing a CLUSRCVR definition - did it work?

I want to change the Cluster Receiver Definition on a Partial Repository by switching the value used in the CONNAME from one name to another, although both old and new resolve to the same IP address. Its to prepare for a future migration and we want the CLUSRCVR to be using a different DNS name, so all the other partials and full repositories are using the new name.

 

BUT, since they both resolve to the same IP, and the Automatic Cluster Senders only show the IP address even though the CLUSRCVR used a DNS name), how do I know the Automatic CLUSSNDERs resolved to that same IP with the new DNS name instead of the old one?

 

Just looking at the start date and time of the automatic cluster senders is not enough for me – it doesn’t prove the recently started channel used the new DNS name.

 

What’s a good way to know for sure the Automatic Cluster Senders are using the “new” definition of the modified CLUSRCV?

 

Is there some other parameter to change on the CLUSRCVR like Short Retries or Long Retries (change from 999999999 to 999999888), and if I see that updated on the Automatic CLUSSNDR, I can assume it used the updated CLUSSRCVR definition?

 

I would also like to change DISCINT on the CLUSRCVR, but don’t see that on the Automatic CLUSSNDR. :-?

 

 

 

Peter Potkay

 

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Firoz Kotta | 3 May 20:55 2016
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Is there a way to display AMQ* diagnostic message severity within AMQERR logs?

For distributed platforms, is there an option to display severity of the message alongside  AMQ* diagnostic messages within AMQ* error log ?

On z/OS, the information is easily identified by the suffices "I", "E", et al.
e.g:
CSQN020E :csect-name UNABLE TO START COMMAND SERVER identifier
I definitely see a value when severity level is exposed within the AMQERR* logs. Once I have this information, I could then correlate the AMQ messages with the listed severity, and then take action based on the information provided.

e.g:
AMQ8045
         WebSphere MQ channel in use.
Severity
         20 : Error

The link below lists how to diagnose a specific AMQ* message.
Severity, being one of the more elaborate category provided.
 http://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.ref.doc/q050260_.htm
 
Best regards,

Firoz Kotta
(Cell)    732.470.9049
(Email) firoz.kotta-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

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Tim Zielke | 3 May 19:15 2016

RFE - Improve Speed of REFRESH SECURITY TYPE(SSL)/STOP CHANNEL on Distributed

Please vote for this RFE, if you would find it helpful.

 

http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=87786

 

Tim Zielke | CICS/MQ Systems Programmer

Aon Service Corporation | Aon Technology | Foundational Technologies

4 Overlook Point, Lincolnshire, IL 60069 

t +1.847.295.5000

tim.zielke-VwKEKOxrCg4@public.gmane.org

 


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MQ Appliance News - Replication for HA and DR concurrently; plus bigger, faster hard drives; MQ Light support

https://leifdavidsen.wordpress.com/2016/04/19/going-faster-by-not-moving-ibm-appliance-m2001/

 

https://www.ibm.com/developerworks/community/blogs/messaging/entry/IBM_MQ_Appliance_M2001_new_hardware_model_on_its_way?lang=en

 

 

There are 2 key hardware changes in this model update. To help support the simultaneous HA and DR function, which would use both existing 10Gb network cards, the existing 2 port connection is being replaced with a 4 port connection, providing 4 of these 10GB network ports, enabling 2 to be used for HA and DR and ensuring 2 can be used by applications connecting to the appliance, as well as the existing 1Gb ports.

 

The second hardware change is the replacement of the existing pair of 1.2TB hard disk drives (HDD) with a pair of 3.2TB solid state drives (SSD). As well as the benefit of the greatly increased storage capacity, the major benefit of using SSDs is the increase in performance for persistent message throughput.

IBM has selected the latest generation of SSDs to provide large capacity, high performance for both reading and writing data at high rates, and also this latest generation of SSDs, even if the MQ Appliance is used heavily all day, every day, should last for the 5 year supported lifespan of the MQ Appliance.

 

 

 

Peter Potkay

 

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Re: do (Oracle) weblogix servers need an MQ client install to connect to MQ even if it's a jms connection?

So many ways (it seems) to get something Java for your MQ Client app:

 

Full install of MQ Client

Or

A pair of MQ 8 relocatable jars:  http://www-01.ibm.com/support/docview.wss?uid=swg21376217

Or

The redistributable MQ 8 clients: https://developer.ibm.com/answers/questions/238072/how-to-download-the-mq-8004-redistributable-client.html#answer-238216

Or

The MQ 8 self extracting jar file: http://www-01.ibm.com/support/docview.wss?uid=swg21683398&myns=swgws&mynp=OCSSFKSJ&mync=E

Or

The MQ Resource Adapter: http://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.dev.doc/q031630_.htm?lang=en

 

 

I opened a PMR several months ago to get this sorted out and explained to me. What are the differences between all these methods? Why choose one over the other? What features / options does one have versus the other, Pros and Cons, etc, etc. Lots of good back and forth in the PMR, and I think the end result is going to be a IBM Webinar explaining this all, because the level of detail and amount of content that this PMR is going to produce is way more than will fit in some DWAnswers post.

 

I appreciate that for Java / JMS experts it might all be obvious, but for me, much confusion.

 

 

Peter Potkay

 

From: MQSeries List [mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf Of Timothy McCormick
Sent: Friday, April 29, 2016 5:06 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: do (Oracle) weblogix servers need an MQ client install to connect to MQ even if it's a jms connection?

 

Hi Damian,

 

JMS is a specification not an implementation so isn't capable of anything in of itself. Application servers support JMS but they need a client which provides JMS for each messaging provider they need to connect to. In MQ's case the JMS client maps the API from the JMS specification to the needed set of MQI calls to achieve the required result.

 

WebSphere Application Server ships an MQ client to provide this function out of the box. For all other application servers you need to set up an MQ JMS provider pointing at an MQ client which you'll need to install on the box. Usually the client you would use in the MQ JCA Resource Adapter (RA). The method for doing this is application server specific so can't help you there - the activity you want to perform is to install a JCA resource adapter.

 

 

You'll also find the RA laid down in both server and client installs at INSTALL_DIR/java/lib/jca/wmq.jmsra.rar

 

Thanks,

 

·         Tim McCormick
IBM MQ Service Architect
Tel: +44 (0)1962 816785
IBM Hursley, SO21 2JN

 

 

 

 

----- Original message -----
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Subject: do (Oracle) weblogix servers need an MQ client install to connect to MQ even if it's a jms connection?
Date: Fri, Apr 29, 2016 7:45 AM
 

HI ,
 I'm getting some unusual requests from the project admins of a particular project.
After a bit of thought ( rare yes I know), I realised if the weblogix app server is making a JMS conn does it even require an MQ client install at all?
Ta.

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Morag Hughson | 2 May 07:54 2016

Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

While it is true, the MQ Devt organisation could have chosen to write its own implementation of something like TLS and spent the many man hours having a proprietary implementation certified etc, the sensible thing was to use what other teams in IBM, GSKit/System SSL, had already created for this purpose. If every IBM product that today uses GSKit or System SSL, had instead implemented their own proprietary implementation, the excess of wasted man hours would be huge. Imagine all the features since MQ V5.3 that wouldn't have been implemented in MQ because the man hours would have to have been spent updating their proprietary authentication implementation for new algorithms and re-certifying etc.

I for one am glad I didn't have to implement that!
Cheers
Morag

On 30 Apr 2016, at 01:56, Tim Zielke <tim.zielke-PR+tvw7B/Eg@public.gmane.org> wrote:

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Ok, so in your case since you have an authentication security exit, I would think SSLCAUTH(OPTIONAL) would make the most sense if you also are going to encrypt the channel with SSLCIPH, since you are already authenticating outside of the certificates. 

 

Honestly, I don’t think MQ ever really needed public key cryptography (and the certificate headache that comes along with it), since MQ code controls both of the client and server end points and they could have done their own proprietary authentication.  PKC makes more sense for web servers where the client (web browser) is more agnostic to the server (web server).  But just my opinion.

 

Tim Zielke | CICS/MQ Systems Programmer

Aon Service Corporation | Aon Technology | Foundational Technologies

4 Overlook Point, Lincolnshire, IL 60069 

t +1.847.295.5000

tim.zielke-VwKEKOxrCg4@public.gmane.org

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Potkay, Peter M (CTO Technology)
Sent: Friday, April 29, 2016 8:23 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

My particular use case right now is related to Security Exits.

A.      To be able to honestly tell a JMS app – look, you can add authentication to your MQ client channel with zero programming changes, you only need to tweak your QCF. And you can hold the ID/password in an encrypted file referenced by the QCF.

B.      As I build up scar tissue while concurrently losing more hair, knowing that this stupid sample JMS app I finally got running on my laptop means I only need to futz with the QCF and/or Environmental variables to get it to work with Capitalware’s MQAUSX Security Exit. I got various tools and apps using MQAUSX on my laptop, but this JMS thing – oy!

 

 

 

 

Peter Potkay

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Tim Zielke
Sent: Friday, April 29, 2016 8:15 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

Sure, no problem.  The other thing worth mentioning is that if you wanted to add TLS without code changes to a JMS app that is using MQ as the JMS service provider, you probably would only want to do this for a client channel of SSLCAUTH(OPTIONAL) and only need to provide a truststore to the JMS client app.  You obviously don’t want to be providing the password for your keystore through a command line argument! :-)  If you do use SSLCAUTH(OPTIONAL), be aware that having any value in the SSLPEER implicitly promotes SSLCAUTH(OPTIONAL) to the behavior of SSLCAUTH(REQUIRED).  So basically, you need both SSLCAUTH(OPTIONAL) and a blank SSLPEER on the svrconn definition to not require that the client end has to send a certificate.

 

Tim Zielke | CICS/MQ Systems Programmer

Aon Service Corporation | Aon Technology | Foundational Technologies

4 Overlook Point, Lincolnshire, IL 60069 

t +1.847.295.5000

tim.zielke-VwKEKOxrCg4@public.gmane.org

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Potkay, Peter M (CTO Technology)
Sent: Friday, April 29, 2016 6:35 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

Thanks for the confirmation, Roger, Tim and T.Rob.

 

 

 

Peter Potkay

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of T.Rob
Sent: Thursday, April 28, 2016 11:57 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

Hi Tim,

 

The sample code to set the keystore/truststore is shown with the equivalent command-line options to accomplish the same thing.  That part definitely doesn't require code changes.

 

The sample JMS code Alex uses to set the CipherSuite is a ConnectionFactory method.  I assumed it would be evident that the same CF attribute could be managed either at run-time in the code or else at build-time in the CF object definition.  Since Alex didn't supply a build-time solution you are right, I should have clarified that.  Thanks for the tag-team!

 

Kind regards,

-- T.Rob

 

T.Robert Wyatt, Managing partner

IoPT Consulting, LLC

+1 704-443-TROB (8762) Voice/Text

https://ioptconsulting.com

https://twitter.com/tdotrob

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Tim Zielke
Sent: Thursday, April 28, 2016 16:42 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

That article shows how to set the channel encryption details using the MQ JMS Extensions, I believe.  That would require code changes.  However, you can also set them through the .bindings file that JNDI would use.  At least that was my recollection.

 

Tim Zielke | CICS/MQ Systems Programmer

Aon Service Corporation | Aon Technology | Foundational Technologies

4 Overlook Point, Lincolnshire, IL 60069 

t +1.847.295.5000

tim.zielke-VwKEKOxrCg4@public.gmane.org

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of T.Rob
Sent: Thursday, April 28, 2016 3:25 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

Yup.  The channel details are in the CF object and the keystore details are in environment variables that you can pass in from the command line or set elsewhere.  The article is a bit old but Alex Fehners explains it pretty well at:
http://www.ibm.com/developerworks/websphere/library/techarticles/0510_fehners/0510_fehners.html

 

Kind regards,

-- T.Rob

 

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Roger Lacroix
Sent: Thursday, April 28, 2016 15:16 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

 

Hi Peter,

> Is it possible to add, change or remove SSL/TLS and/or a MQ Security Exit with absolutely no changes to the JMS code?

For a MQ Security Exit, I can confirm that when changes are the .bindings file (i.e. addition or removal) that no JMS code updates are required.

I believe the same is true for SSL/TLS but I cannot confirm this.

Regards,
Roger Lacroix
Capitalware Inc.

On 4/28/2016 3:03 PM, Potkay, Peter M (CTO Technology) wrote:

A JMS app is working happily with MQ, using a .bindings file for its JNDI.

 

Is it possible to add, change or remove SSL/TLS and/or a MQ Security Exit with absolutely no changes to the JMS code?

 

Its my understanding that all the SSL/TLS stuff or Exit stuff is contained in the QCF definition that is totally defined inside the .bindings file, so no programming changes needed.

 

Yah?

 

 

 

Peter Potkay

 

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FJ Brandelik | 1 May 21:28 2016
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Re: JMS Apps - Adding / Changing / Removing SSL/TLS and Security Exis

In truth the no change is only working if you either use MQ8 with the credentials exit, or a J2EE server where
the user /password is determined through JAAS. Otherwise you may have to change the line creating the
connection to use the form using username and password.
If you were already passing the username and password, then no change may be necessary.
Remember also with MQ8 to use the property "use MQCSP" for the connection factory...

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Christopher Frank | 29 Apr 20:44 2016
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Re: Web browser session to MQ appliance throwing script errors.

Hi Damian,

So, just to be clear, you made the change required in the KC? Specifically:

Note: If you are using Internet Explorer, you must ensure that you are running in standards mode, not compatibility mode. To change the mode, press F12. Check the Document Mode: menu, and the Browser Mode: menu, and make any necessary changes.

Not sure that would be related but just wanted to verify.

Have you tried a different browser? I generally use Chrome or Firefox. I did just try IE and it works for me (for what that's worth). IE 11 is stated as supported and so it should work, but a try of another browser might help pinpoint the problem (browser end or appliance end).

You need Javascript enabled, although I believe you get a specific error if that is not enabled. So that's probably not it (worth a check, though).

It looks like you are saying the Web UI does not work at all - is that correct? I ask because I am aware of another issue where the Web UI seems to work ok (Appliance view, etc) but the MQ Console view specifically has issues. Still working through that one and as I said it does not sound exactly like what you are seeing. But let me know if the issue is confined to the MQ Console.

Finally, what firmware level is the appliance at? I assume it's relatively current (8003 or 8004)?

Regards,

Christopher Frank
IBM Certified Consulting I/T Specialist
IBM Software Group - WebSphere Software – U.S. West IMT
Internet: chrisfra <at> us.ibm.com
Tel: 612-397-5532 (t/l 653-5532) Mobile: 612-669-3008



"Costa, D. (Damian)" ---04/29/2016 10:12:36 AM---HI all, We configured a POC MQ appliance on our test network this morning. But we struggled to re

From: "Costa, D. (Damian)" <DamianC <at> NEDBANK.CO.ZA>
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Date: 04/29/2016 10:12 AM
Subject: Web browser session to MQ appliance throwing script errors.
Sent by: MQSeries List <MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT>




HI all,
We configured a POC MQ appliance  on our test network this morning. But we struggled to resolve one issue:
When we connect to the https socket we got a script error.  If I then changes the web browser session to a debug session and changes to document mode to standard/edge we got a login page,  if I however closed the debug window the session got whacked as well.
So basically it's a kludge workaround for now.
Am Using explorer 11.
I'm not  entirely sure what setting in the explorer to adjust to get this script error resolved...
Any ideas what to look for?
Ta.



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Tim Zielke | 29 Apr 18:35 2016

Re: REFRESH SECURITY TYPE(SSL) - distributed vs. z/OS

The distributed servers that I ran the REFRESH SECURITY TYPE(SSL) on are pretty big CPU boxes, with plenty
of CPU capacity.  There is no indication of an uptick in overall CPU usage when the REFRESH SECURITY
TYPE(SSL) was running on these distributed servers.  Not sure, but it feels like this is more of an
architectural difference between the REFRESH SECURITY TYPE(SSL) on distributed and z/OS MQ, to me.

Tim Zielke | CICS/MQ Systems Programmer
Aon Service Corporation | Aon Technology | Foundational Technologies
4 Overlook Point, Lincolnshire, IL 60069  
t +1.847.295.5000 
tim.zielke <at> aon.com


-----Original Message-----
From: MQSeries List [mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf Of Bruce Lerner
Sent: Friday, April 29, 2016 10:51 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: REFRESH SECURITY TYPE(SSL) - distributed vs. z/OS

Ok, by horsepower I mean that with hundred +- processors in z hardware - vs few(er) on midrange - more
concurrent TCBs dispatched, so more SSL handshake concurrency.

If not more horsepower, what then?  

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Multiple IP Addresses on one server, multiple MQ Listeners all on same port

If I need to create 3 queue managers, and “need” to have them all have their MQ Listener on the same port, say 1414, historically I would default to saying “Whelp, gimmie 3 servers and you’ll have your 3 QMs.”

 

But if I assign multiple IP addresses to one server, build all 3 QMs on that one server, I can have the MQ Listener for each listen on port 1414 by using the IPADDR parameter of the DEFINE LISTENER command, to tell each listener to only use 1 of the server’s multiple IP addresses.

http://www.ibm.com/support/knowledgecenter/SSFKSJ_7.5.0/com.ibm.mq.ref.adm.doc/q085630_.htm

 

 

I got it to work on test system with 2 QMs on one server with 2 IPs. Seems to work just fine. MQ Error logs are clean.

 

Will the concept scale to 3, 4, 5 IP addresses?  (Assuming the server has the horsepower to support multiple QMs)

Any gotchas?

 

This could be a way to avoid server sprawl for some Lab / Dev environments whereas I can stack multiple lightly used QMs all on one server, all using the same port # for their MQ Listener.

 

Peter Potkay

 

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Charley Rich | 25 Apr 18:41 2016

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Gmane