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I have tried to store the results of several simulations for a parameter study in a single .sca and .vec files:
using the Sqlite manager:
but the simulations crash and return the message:
The issue is solved by redirecting the scalar output of each simulation in a separate .sca file, while still redirecting the vector outputs in a single .vec file for all the simulations.
Why does the database lock issue happen only for .sca files? How can it be fixed so that manual merge of the databases contained in all the .sca files can be avoided?
(System: OMNeT++ 5.5, Ubuntu 16.04.6 LTS)
I am unable to reproduce this with either omnetpp-5.5.1 or omnetpp-devel (current master branch), on Ubuntu 18.04 LTS.
I tried the following:
where _sqlite.ini was:
It run through without error, and produced a correct SQLite General.sca file.