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If you see the following error message,then you have exceeded the limit of 8 concurrent fme.exe processes running with a single FME Desktop license:
Error message was: FME license system failure: The maximum number of concurrent FME instances specified in the license has been reached (-508)
Note: The setting is system-wide so having multiple installs on the same machine will not allow for more simultaneous processes.
This limit is different from that placed on the parallel processing of "group by" transformers.These transformers limit the number of processes based on license level.More information on this can be found in theproduct documentationand the blog postFME 2012 Sneak Peek: Parallel-Processing.
FME Desktop licenses are restricted to allow a maximum of 8 fme.exe processes to run at any one time.This includes any running Workspaces and any Data Inspectors,either run through command line or workbench,including those launched from another workspace using the WorkspaceRunner transformer.
If you receive this error but are not attempting to run more than 8 concurrent workspaces then check in your Task Manager for any idle fme.exe processes that have failed to terminate upon earlier job completion.
Idle (0% CPU) FME EXE processes still showing in Task Manager after a job is cancelled
If this is a recurring issue,a workaround is to set up a Python Shutdown Script to end all fme.exe processes after the workspace in question is done.You can find an example scripthere.
Example Shutdown Python Script
Note: You will not be able to do this if there are other fme.exe processes still running as these will also be terminated,but you could set up a schedule for a script to run at times you know the there are no other running workspaces.
TheWorkspaceRunner transformerwas developed so that running one workspace would trigger the run of a series of child workspaces.This works by spawning a new FME process and is useful for batch processing however using this transformer can generate the licensing error.You can control the spawning of new FME processes in the transformer parameters to help reduce the risk of this error occurring.
The key parameter to be aware of is ‘Wait For Job to Complete':
WorkspaceRunner parameter editor
Adjusting these parameter settings should help you to avoid further encounters with the licensing error.For example: setting the ‘Maximum Number of Concurrent FME Processes' to 5 would leave 2 FME processes available to run other workspaces.
If you are interested in implementing a larger number of concurrent processes,we suggest you look intoFME Server,which is a scalable solution that allows you to increase the number of concurrent processes based on your needs – by increasing the number of FME Server Engines.
FME Server is a web application that works hand in hand with FME Desktop providing an automation platform for all your workspaces.
FME Server supplies two major features that would help you overcome this licensing error:
亚搏在线Safe offers a free 60 day trial for FME Server:https://www.亚搏在线safe.com/fme/fme-server/trial-download/
If you make the transition to run a workspace on FME Server you will need to replace any WorkspaceRunner transformers with theFMEServerJobSubmitter.
The FMEServerJobSubmitter has the same underlying role as the WorkspaceRunner but provides additional parameters such as designating a Job Queue.This transformer submits one job per feature that enters it but key parameters to be aware of here are found underSubmission Mode:
If this is set to No then the jobs are run asynchronously,meaning the job id is output via the Submitted port as soon as the server receives the request.
FMEServerJobSubmitter parameter editor
For any further troubleshooting help please refer to the article:FME Server Troubleshooting: FMEServerJobSubmitter.
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