Why do I get an error message 'Error: An I/O error occured (Function EnableConnection)' when launching Polyspace remote launcher (R2011b)?

When I start Polyspace daemon in Polyspace remote launcher manager on Linux, it reports error:

 Initializing connections...

 Error: An I/O error occured (Function EnableConnection: Address already in use [addrinuse]).

Error: Could not enable connection to port 12427.

Answer 1

[MathWorks Support Team]

It is due to the port 12427 is already in use. Follow up steps to check port information:

1. Check which ports are in use:

netstate -lnp

2. If the 'polyspace-RL-' is already running at port 12427, kill it:

kill -9 1234

1234 is the pid number of polyspace-RL-

3. If not, use another port rather than 12427 in remote launcher manager.

4. Restart daemon:

/$PolyspaceRoot/Polyspace_Common/RemoteLauncher/bin/polyspaced

5. Check log to see if daemon is setup:

/var/Polyspace/polyspaced.log