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| WMB+MQTT : Unable to receive subscriptions. |
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| Cogito-Ergo-Sum |
 Posted: Wed Mar 14, 2012 3:49 am Post subject: WMB+MQTT : Unable to receive subscriptions. |
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Master
Joined: 07 Feb 2006
Posts: 293
Location: Bengaluru, India
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In the Compute node of my message flow, I am setting the topic name as shown below. This Compute node is connected to a Publication node. The MQTT client is directly connected to the MQXR service. That is, the IP address used by the client is same as that of the queue manager. However, the subscription is not received.
What am I missing ?
| Code: |
| Set OutputRoot.Properties.Topic = 'a/b/c' ; |
Earlier, I had a Mapping node where I had mapped the Topic name under Properties to the name of the topic. That had worked.
Without MB, the pub-sub was working even when directly connected to the MQXR service.
_________________
ALL opinions are welcome.
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Debugging tip:When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.
---Sherlock Holmes |
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| McueMart |
| Posted: Wed Mar 14, 2012 4:09 am Post subject: |
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Chevalier
Joined: 29 Nov 2011
Posts: 490
Location: UK...somewhere
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What version of WMB? At 6.1, where subscriptions are handled by Broker, I set the publication topic in the RFH header.
| Code: |
SET OutputRoot.MQRFH2C.pcs.Topic='My/Topic';
SET OutputRoot.MQRFH2C.pcs.Command='Publish';
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| Cogito-Ergo-Sum |
| Posted: Wed Mar 14, 2012 4:39 am Post subject: |
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Master
Joined: 07 Feb 2006
Posts: 293
Location: Bengaluru, India
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WMB 8.0, WMQ 7.0.
Sorry, should have mentioned earlier.
_________________
ALL opinions are welcome.
-----------------------------
Debugging tip:When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.
---Sherlock Holmes |
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| McueMart |
| Posted: Wed Mar 14, 2012 4:49 am Post subject: |
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Chevalier
Joined: 29 Nov 2011
Posts: 490
Location: UK...somewhere
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Try and compare the complete message tree using the debugger (before the publication node) in your
Mapping Node -> Publication
and
Compute -> Publication
flows.
Check for any differences. Thats about the limit of my help  |
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| Cogito-Ergo-Sum |
| Posted: Wed Mar 14, 2012 5:38 am Post subject: |
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Master
Joined: 07 Feb 2006
Posts: 293
Location: Bengaluru, India
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Well, the ${Root} trace (from Trace node) does show the Properties folder with topic name set correctly.
_________________
ALL opinions are welcome.
-----------------------------
Debugging tip:When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.
---Sherlock Holmes |
|
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| Cogito-Ergo-Sum |
| Posted: Wed Mar 14, 2012 5:43 am Post subject: |
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Master
Joined: 07 Feb 2006
Posts: 293
Location: Bengaluru, India
|
I think, in the mapping node, I had added the MQRFH2 header. I haven't done this in ESQL. I think, I have incorrectly assumed that, setting the topic name in Properties would do.
_________________
ALL opinions are welcome.
-----------------------------
Debugging tip:When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.
---Sherlock Holmes |
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| Back to top |
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