System error:SharedMemory:getCurrentUser:getlogin_r:error=25 on wsl when connecting to Matlab from C++ with matlab::engine::connectMATLAB()
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I'm using C++ to run a MATLAB script. The code is simple:
std::cout << "Starting matlab" << std::endl;
matlab = matlab::engine::startMATLAB();
std::cout << "matlab started, connecting to matlab" << std::endl;
std::cout << "Connected to MATLAB" << std::endl;
MATLAB can be started, but not connected to. I never reach the last line of the code. Instead, I receive the following error:
terminate called after throwing an instance of 'std::runtime_error'
what(): System error:SharedMemory:getCurrentUser:getlogin_r:error=25
I have MATLAB installed and include
This is most likely somehow related to the fact that I'm running this on WSL (kernel 126.96.36.199-microsoft-standard-WSL2). The same code works on a real Ubuntu 20.04 (not wsl).
Not sure if related, but always the first time I start MATLAB from WSL after a reboot of WSL, I need to reactivate it.
The host machine I'm using runs on Windows 11.