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Failed to start a parallel pool in MATLAB 2019b

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Zelalem
Zelalem on 22 Nov 2019
Commented: Bhargavi Maganuru on 27 Mar 2020 at 8:16
I'm not sure why I keep getting the following error when I tried to train my network
Training on single GPU.
Initializing input data normalization.
Starting parallel pool (parpool) using the 'local' profile ...
Error using trainNetwork (line 170)
Parallel pool failed to start with the following error. For more detailed information, validate the profile 'local' in
the Cluster Profile Manager.
Error in PrototypicalClassificationNetwork/train (line 200)
obj.net = trainNetwork(dataStore, layers, options);
Caused by:
Error using parpool (line 113)
Parallel pool failed to start with the following error. For more detailed information, validate the profile
'local' in the Cluster Profile Manager.
Error using parallel.internal.pool.InteractiveClient>iThrowWithCause (line 668)
Failed to initialize the interactive session.
Error using parallel.internal.pool.InteractiveClient>iThrowIfBadParallelJobStatus (line 781)
The interactive communicating job failed with no message.
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Answers (1)

Bhargavi Maganuru
Bhargavi Maganuru on 26 Nov 2019

  3 Comments

Zelalem
Zelalem on 26 Nov 2019
Still unable to resolve the issue using "distcomp.feature( 'LocalUseMpiexec', false )"
I also deleted the "local_cluster_jobs" but unsccessful. I wonder if this is something to do with the network license.
Dominik Röhr
Dominik Röhr on 22 Mar 2020 at 7:58
Having the same issue. On several PCs under our university liscense actually.
Hopeing for someone to publish a solution that helps.
Bhargavi Maganuru
Bhargavi Maganuru on 27 Mar 2020 at 8:16
Try running the following commands in the MATLAB Command Window:
restoredefaultpath
savepath
Once done, restart MATLAB and then try to start a parallel pool again. If there is an error in accessing the file:
C:\Program Files\MATLAB\R2016b\toolbox\local\pathdef.m, then delete the pathdef.m file so that on execution of the command, the file gets recreated.

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