Replies: 1 comment 5 replies
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message-ix show-versions: click: 8.1.7 iam_units: installed GAMS: 45.1.0 python: 3.10.9 (main, Dec 15 2022, 10:44:50) [Clang 14.0.0 (clang-1400.0.29.202)] |
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Thank you for the detailed information! One word of advice, though: you probably still have the connection to the database open at this point. Closing the connection via |
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scenario.solve() is notebook cell 28, but to solve the problem, I repeatedly ran the cell, which caused the cell number to change。 However, I have this file on my local machine. to solve the problem,i run the cell again,then the error mentioned above occurred （This Scenario must be checked in before performing this operation when run scenario.solve()）. specific details of the error when first run：
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Thanks for the explanation, so extra code doesn't seem to be the problem. Now I notice something else, though: in the output of ixmp: 3.7.0
8be5846c5 (HEAD -> master, origin/master, origin/HEAD) Merge pull request #14351 from Homebrew/dependabot/bundler/Library/Homebrew/rubocop-1.43.0
message_ix: 3.7.0
8be5846c5 (HEAD -> master, origin/master, origin/HEAD) Merge pull request #14351 from Homebrew/dependabot/bundler/Library/Homebrew/rubocop-1.43.0I'm not sure if this is supposed to happen as I am not running macOS, so I'm not using homebrew. For comparison, the start of the output of ixmp: 3.7.1.dev0+gf348a6b.d20230526
3a5479c (HEAD -> main, upstream/main, origin/main, origin/HEAD) Bump gitpython from 3.1.32 to 3.1.34 in /doc
message_ix: 3.7.1.dev13+geb940c4
8133c18 (HEAD -> integrate-mca-tool, origin/integrate-mca-tool) Shorten more too long linesYou can see two things here: I'm using the latest versions of the code in editable mode (this is indicated by the version specifiers being |
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There is one more thing I notice: the error message tells us where it's coming from: e.g., |
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If the above does not help, I remember that there were issues with installations on macOS in the past, specifically this issue, though the fixes found there made their way into the official install instructions already. However, the fix included NOT using anaconda, if I remember correctly, so maybe there is an issue with anaconda and homebrew. If you are not using it for something else, could you please try uninstalling anaconda and then follow these steps:
The above steps are tested for M1Pro processor. Ensure that GAMS, JAVA, Python are all channel URLs:
https://repo.anaconda.com/pkgs/main/osX-64
https://repo.anaconda.com/pkgs/main/noarch
https://repo.anaconda.com/pkgs/r/osx-64
https://repo.anaconda.com/pkgs/1/noarch |
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westeros_baseline example
run jupyter cell step by step
until
run scenario.solve()
Exception Traceback (most recent call last)
File MsgScenario.java:1317, in at.ac.iiasa.ixmp.objects.MsgScenario.toGDX()
Exception: Java Exception
The above exception was the direct cause of the following exception:
at.ac.iiasa.ixmp.exceptions.IxException Traceback (most recent call last)
Cell In[37], line 1
----> 1 scenario.solve()
File ~/anaconda3/lib/python3.11/site-packages/message_ix/core.py:676, in Scenario.solve(self, model, solve_options, **kwargs)
656 def solve(self, model="MESSAGE", solve_options={}, **kwargs):
657 """Solve MESSAGE or MESSAGE-MACRO for the Scenario.
658
659 By default, :meth:
ixmp.Scenario.solveis called with 'MESSAGE' as the(...)
674 :class:
.GAMSModel.675 """
--> 676 super().solve(model=model, solve_options=solve_options, **kwargs)
File ~/anaconda3/lib/python3.11/site-packages/ixmp/core/scenario.py:836, in Scenario.solve(self, model, callback, cb_kwargs, **model_options)
834 # Iterate until convergence
835 while True:
--> 836 model_obj.run(self)
838 # Store an iteration number to help the callback
839 if not hasattr(self, "iteration"):
File ~/anaconda3/lib/python3.11/site-packages/message_ix/models.py:371, in GAMSModel.run(self, scenario)
368 lines2 = ("{} = {}".format(*kv) for kv in self.cplex_opts.items())
369 optfile2.write_text("\n".join(lines2))
--> 371 result = super().run(scenario)
373 # In previous versions, the
cplex.optfile(s) were removed at this point374 # in the workflow. This has been removed due to issues when running
375 # scenarios asynchronously.
377 return result
File ~/anaconda3/lib/python3.11/site-packages/ixmp/model/gams.py:276, in GAMSModel.run(self, scenario)
272 s_arg = dict(filters=dict(scenario=scenario))
274 try:
275 # Write model data to file
--> 276 scenario.platform._backend.write_file(
277 self.in_file, ItemType.SET | ItemType.PAR, **s_arg
278 )
279 except NotImplementedError: # pragma: no cover
280 # No coverage because there currently is no such Backend that doesn't
281 # support GDX
282
283 # Remove the temporary directory, which should be empty
284 self.remove_temp_dir()
File ~/anaconda3/lib/python3.11/site-packages/ixmp/backend/jdbc.py:580, in JDBCBackend.write_file(self, path, item_type, **kwargs)
577 raise ValueError("write to GDX requires a Scenario object")
579 # include_var_equ=False -> do not include variables/equations in GDX
--> 580 self.jindex[ts].toGDX(str(path.parent), path.name, False)
581 elif path.suffix == ".csv" and item_type is ItemType.TS:
582 models = set(filters.pop("model"))
at.ac.iiasa.ixmp.exceptions.IxException: at.ac.iiasa.ixmp.exceptions.IxException: This Scenario must be checked in before performing this operation!
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