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| SCADA Input Node - Error Handling |
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| sieijish |
 Posted: Mon Nov 29, 2004 6:31 am Post subject: SCADA Input Node - Error Handling |
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Acolyte
Joined: 29 Nov 2004
Posts: 67
Location: London
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I am using a message flow with a SCADAInput Node whose message domain property is set to 'XML'. I have connected the fail terminal & catch terminal of the SCADA Input node to FailQ and CatchQ respectively.
I am using MQTT protocol to send messages to the SCADAInput node listening on port 1883.
The message i am sending is an xml and if the xml is not well-formed then I was expecting the message to be routed to Fail teminal of the SCADAInput Node. But this is not happening. Instead the message is retried again & again and the windows system log gets filled up with error 'xml parsing failure....' from the message flow. It dies out after some time and the message is lost.. I have no idea where it is stored and how it can be recovered.
I have the following queries in this context:
1) In case of XML parsing error should the input node route the msg to fail terminal? if not what is the right behaviour?
2) If the msg flow is retrying a failed parsing error, there is no way that i will succeed and how can i stop the retry attempts?
3) When SCADA inputs receive the msgs, it receives at port 1883 and which is the internal broker Q where this message is stored?
4) After the retry is attempted for half a day, the message is lost?.. i can't recover the message...Where is the failed messages going?...
5) Since the message is not getting past the InputNode, i can't think of any standard error handling that i can do..
Regards,
Sieijish Dominic |
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| solomita |
| Posted: Thu Jun 01, 2006 7:11 am Post subject: |
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Voyager
Joined: 06 May 2003
Posts: 94
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I am trying to test the scada input node. I have the scada input node attached to an mqoutput node. It is listening on port 1883. I am tryign to use the MQTT client to put a message on port 1883 but it does not appear to be working which leads me to believe i am doing this incorrectly. The error message i am getting is:
( WBRK6_DEFAULT_BROKER.default ) SCADA Initialization failed.
An internal error stopped the SCADA server from starting.
( WBRK6_DEFAULT_BROKER.default ) Message broker internal error: diagnostic information 'LDMS_Flow.SCADAInput'.
An internal software error has occurred in the message broker. Further messages will indicate the effect of this error on the broker's transactions. The diagnostic information associated with this message is: 'LDMS_Flow.SCADAInput'.
Shutdown and restart the message broker. If the problem continues to occur, then restart the system. If the problem still continues to occur
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IBM Certified Specialist - WebSphere MQ Integrator
IBM Certified System Administrator - WebSphere MQ V5.3
IBM Certified System Administrator - WebSphere Business Integration Message Broker V5 |
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| jefflowrey |
| Posted: Thu Jun 01, 2006 7:28 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| solomita wrote: |
| Further messages will indicate the effect of this error on the broker's transactions. |
Also, you should have probably started a new thread. But don't do that now. Either the mods will move this into a new thread, or leave it alone.
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I am *not* the model of the modern major general. |
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