RAVEN giving failed MELCOR run messages on successful run completion

[ril...@oregonstate.edu]

I'm working on running stochastically sampled iterations of MELCOR and my test run is ending every run (including ones that I have checked by hand and confirmed that the MELCOR run ended successfully) with the following error and indicated that the job has failed:

Exception in thread 6:

Traceback (most recent call last):

  File "/apps/local/easybuild/software/Python/2.7.9-gmvolf-5.5.4/lib/python2.7/threading.py", line 810, in __bootstrap_inner

    self.run()

  File "/apps/local/easybuild/software/Python/2.7.9-gmvolf-5.5.4/lib/python2.7/threading.py", line 763, in run

    self.__target(*self.__args, **self.__kwargs)

  File "/home/rilethom/projects/raven/framework/Runners/SharedMemoryRunner.py", line 135, in <lambda>

    self.thread = threading.Thread(target = lambda q, *arg : q.append(self.functionToRun(*arg)), name = self.identifier, args=(self.subque,)+tuple(self.args))

  File "/home/rilethom/projects/raven/framework/Models/Code.py", line 612, in evaluateSample

    self.raiseAMessage(repr(open(absOutputFile,"r").read()).replace("\\n","\n"))

  File "/home/rilethom/projects/raven/framework/MessageHandler.py", line 132, in raiseAMessage

    self.messageHandler.message(self,msg,str(tag),verbosity,color,forcePrint=forcePrint)

  File "/home/rilethom/projects/raven/framework/MessageHandler.py", line 333, in message

    print(msg,file=writeTo)

IOError: [Errno 11] Resource temporarily unavailable

( 8152.33 sec) Job Handler              : Message         ->  Process Failed <Runners.SharedMemoryRunner.SharedMemoryRunner object at 0x7fffd21165d0> internal returnCode -1

( 8152.33 sec) STEP MULTIRUN            : DEBUG           -> the job "6" has failed.

( 8152.33 sec) STEP MULTIRUN            : DEBUG           -> Testing if the sampler is ready to generate a new input

I'm using the latest Devel branch of RAVEN, and attached are my MELCOR input, restart file, and RAVEN input file. I can't make heads or tails of what's going on, truth be told. Any help you can provide would be enormously appreciated.

[Georgi Georgiev]

Hi , 

I'm not an expert myself but I can suggest you look for MELCOR input files created by RAVEN. These should be located somewhere in separate directories (one per run) under ~/PhD/MELCOR/Test/   Pick one and run it manually. I guess that should give you a better idea of why your runs fail.  From what I could see your restart is empty, that means melgen didn't finish successfully. 

Good luck.

Regards

Georgi

[Talbot, Paul W]

That's prettty strange. It will take more looking at, but it seems that the "standard out" is busy when we try to print a message to the screen; as to why this is the case, it will probably take some investigation to try and determine that.  I personally haven't seen that type of message running python before.

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Thanks!

Paul Talbot, Ph.D 

Idaho National Laboratory

[ril...@oregonstate.edu]

Turns out that RAVEN was expecting my MELCOR output to be OUTPUT_MELCOR.out, so it was throwing IOErrors because it couldn't find OUTPUT_MELCOR.out. While setting my MELCOR output file to this filename is no problem, is there a way to change the filename that RAVEN is expecting?

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[Alfonsi, Andrea]

Tom,

The code interface of MELCOR is set up to send (command line) the output file name to melcor. It is the one you mentioned before.

I am not super familiar with MELCOR but  I see in the input file that you set up the key "MEL_OUTPUTFILE". Does Melcor accept outputfile root in the command line?

Andrea

 

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_________________________________________________________

Andrea Alfonsi, PhD

• Risk Analysis Virtual ENviroment (RAVEN)
  

• Parallel and Highly Innovative Simulation for INL Code System (PHISICS)
  

Contacts:

• tel. #              : + 208 526 2324
• email             : andrea....@inl.gov
• private email : andrea.a...@gmail.com
• website         : https://www.andreaalfonsi.net

_________________________________________________________

[ril...@oregonstate.edu]

I believe it does accept the output file name from the command line, but that an output file name defined in the input deck will override the command line name. Interesting! I'll test to make sure because I don't normally use the command line to define the output name, and let you know.

-Tom

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[kwesi...@gmail.com]

Dear Tom,

I have started using the MELCOR Interface in RAVEN and having a similar challenge: "In step BasicStats the class Files named OUTPUT_MELCOR supposed to be used for the role Output has not been found" as error message. How did you work around it please?

Secondly, is it possible to utilize the MELCOR plot file (.PTF file) for postprocessing instead of the output file? 

Best regards,

Emmanuel Boafo, PhD

Ghana Atomic Energy Commission

[Andrea Alfonsi]

Dear Emmanuel,

Thank you very much for your email and sorry for the delay.

 

Regarding the first question, can you be a bit more specific? What input are you trying to run? The example input file in the GITHUB repository? Can you share it with us

Regarding the second question, the current MELCOR interface is using the ASCII output file, the University of Rome "La Sapienza" developed a version that can load the data from the PTF but it is not in the RAVEN mainstream (devel) yet.

Whats the use case you are trying to achieve? The ascii file does not work for you?

Please let us know.

Andrea

_________________________________________________________

Andrea Alfonsi, PhD

• Risk Analysis Virtual ENviroment (RAVEN) Technical Leader
  

• Parallel and Highly Innovative Simulation for INL Code System (PHISICS) Technical Leader
  

Contacts:

• tel. #                : + 208 526 2324
• email               : andrea....@inl.gov
• private email : andrea.a...@gmail.com
• website          : https://www.andreaalfonsi.net

_________________________________________________________

---

From: inl-rav...@googlegroups.com <inl-rav...@googlegroups.com> on behalf of kwesi...@gmail.com <kwesi...@gmail.com>
Sent: Friday, June 5, 2020 3:52 AM
To: INL RAVEN Users Group <inl-rav...@googlegroups.com>
Subject: [EXTERNAL] Re: RAVEN giving failed MELCOR run messages on successful run completion

 

To view this discussion on the web visit https://groups.google.com/d/msgid/inl-raven-users/5d02f4f3-ae3a-4a3d-a809-55adaea942dfo%40googlegroups.com.

[kwesi boafo]

Dear Andrea,

Kindly find the input file( test file) attached. The plot file (.PTF) has more response parameter details than the ASCII file that is why it is usually preferred.

Best regards,

Emmanuel

[Andrea Alfonsi]

Hi.

Thank you for the input.

Can you explain to us the error you get? The input looks fine..

Regarding the PTF file, when the University of Rome  "La Sapienza" will release the interface with that capability, we will inform you. Anyhow you should be able to fulfill all your needs with the current ASCII implementation.

Andrea

_________________________________________________________

Andrea Alfonsi, PhD

• Risk Analysis Virtual ENviroment (RAVEN) Technical Leader
  

• Parallel and Highly Innovative Simulation for INL Code System (PHISICS) Technical Leader
  

Contacts:

• tel. #                : + 208 526 2324
• email               : andrea....@inl.gov
• private email : andrea.a...@gmail.com
• website          : https://www.andreaalfonsi.net

_________________________________________________________

---

From: kwesi boafo <kwesi...@gmail.com>
Sent: Friday, June 12, 2020 4:33 AM
To: Andrea Alfonsi <andrea....@inl.gov>
Cc: INL RAVEN Users Group <inl-rav...@googlegroups.com>
Subject: Re: [EXTERNAL] Re: RAVEN giving failed MELCOR run messages on successful run completion

 

[kwesi boafo]

Dear Andrea,

I hope you are well.

I have installed RAVEN on a Linux System (Ubuntu) and I tried to run the tests at the end of the installation. Several tests failed as shown below.

Kindly advise on a possible solution.

Secondly, I am trying to use the SPSA optimizer to perform some calculations for a NHES, is there a tutorial that I can use please?

Best regards,

Emmanuel

[Congjian Wang]

Could you send us the detailed error messages? I have attached the raven user guide where you can take a look at the "Model Optimization" section. In addition, you can find some RAVEN examples about SPSA at raven/tests/framework/Optimizers/GradientDescent/spsa.xml. 

Best,

Congjian  

---

From: inl-rav...@googlegroups.com <inl-rav...@googlegroups.com> on behalf of kwesi boafo <kwesi...@gmail.com>
Sent: Tuesday, April 30, 2024 10:31 AM

To view this discussion on the web visit https://groups.google.com/d/msgid/inl-raven-users/CACway4%3DFDsL32VQPk_2rwndE3-wzv4%2B7K1eJFb8Mc4LPszx98w%40mail.gmail.com.

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On Tuesday, May 29, 2018 at 9:58:03 AM UTC+1 ril...@oregonstate.edu wrote: