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| ironslab |
 Posted: Wed Oct 31, 2018 7:37 am Post subject: [ESQL] Best way to shorten correlation ID? |
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Newbie
Joined: 31 Oct 2018
Posts: 2
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Hi forum. First time poster.
I'm currently using InputLocalEnvironment.Destination.SOAP.Reply.ReplyIdentifier to generate a correlationID.
The thing is, the recipient of the message only handles 32 characters, therefore is truncating the string to 32.
I'm thinking of using substring to reduce the length but I am not sure if that's the best way to do so. |
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| ganesh |
| Posted: Wed Oct 31, 2018 7:57 am Post subject: |
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Master
Joined: 18 Jul 2010
Posts: 294
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| What are you trying to do with correlation ID in web service? |
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| ironslab |
| Posted: Fri Nov 02, 2018 12:53 pm Post subject: |
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Newbie
Joined: 31 Oct 2018
Posts: 2
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| It's used to communicate with a AS400 backend through MQ. We use it to identify the corresponding response to our request within a queue. |
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| fjb_saper |
| Posted: Fri Nov 02, 2018 7:59 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| ironslab wrote: |
| It's used to communicate with a AS400 backend through MQ. We use it to identify the corresponding response to our request within a queue. |
You should let MQ take care of this and return as correlation-id the message-id or the request... 
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MQ & Broker admin |
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| gbaddeley |
| Posted: Sun Nov 04, 2018 3:19 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| Quote: |
I'm currently using InputLocalEnvironment.Destination.SOAP.Reply.ReplyIdentifier to generate a correlationID.
The thing is, the recipient of the message only handles 32 characters, therefore is truncating the string to 32. |
MQ's MQMD CorrelationId field is exactly 24 bytes of binary data. If you were generating your own, it should be unique to 24 bytes, not 32.
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Glenn |
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