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| What is the best way to do retry in WMB? |
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| Frik |
 Posted: Mon Sep 24, 2012 3:00 am Post subject: What is the best way to do retry in WMB? |
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Acolyte
Joined: 25 Nov 2009
Posts: 69
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Hey,
I have to make some retries in my flow.
when there are over then 5 retries, there will be 'throw' statment, and the first failute handler wil write it to log.
Now I'm do it with TryCatch, when the catch is connectes to the in terminal of the try (and there is a pause of 3 seconds betwwen each).
I'm not sure this is the best way.
It looks something like this:
1. MQInput (out)-> 2. Try (out)-> 3. MQOutput -> 4. Compute (throw if fail)
2. Try (catch)-> 5. Flow thay check times and pause -> 2. Try(in)
1. MQinput (failute) -> FailureHandler.
I hope it's clear...
Can you help? how to do it propely? is there a best practice? |
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| lancelotlinc |
| Posted: Mon Sep 24, 2012 5:11 am Post subject: |
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Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
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You may prefer to manage retries via WMQ. Use the retry counter on the MQMD. You can also set 24 bytes of metadata in the Appl section of the MQMD.
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| Esa |
| Posted: Mon Sep 24, 2012 6:47 am Post subject: |
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Grand Master
Joined: 22 May 2008
Posts: 1387
Location: Finland
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| lancelotlinc wrote: |
| You may prefer to manage retries via WMQ. Use the retry counter on the MQMD. You can also set 24 bytes of metadata in the Appl section of the MQMD. |
You mean that if you set ApplIdentityData and back out the message, the metadata is still there when you re-read the backed-out message? That was news to me. |
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| lancelotlinc |
| Posted: Mon Sep 24, 2012 7:03 am Post subject: |
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Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
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| Esa wrote: |
| lancelotlinc wrote: |
| You may prefer to manage retries via WMQ. Use the retry counter on the MQMD. You can also set 24 bytes of metadata in the Appl section of the MQMD. |
You mean that if you set ApplIdentityData and back out the message, the metadata is still there when you re-read the backed-out message? That was news to me. |
No, if you intend to store metadata in the MQMD, then you must manually put the message to the queue.
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