Address already in use problem when opening two big projects at same time

[dcourtine]

wireles-guest-16-39-129:nautili courtine$ anvi-display-pan -p NAUTILI-PAN.db -s NAUTILI-SAMPLES.db -g ../THERMOCOCCALES-GENOMES.h5
Genomes storage ..............................: Initialized (storage hash: 9cab4545)
Num genomes in storage .......................: 102
Num genomes will be used .....................: 61
Pan DB .......................................: Initialized: NAUTILI-PAN.db (v. 5)
Process Process-1:
Traceback (most recent call last):
  File "/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/process.py", line 249, in _bootstrap
    self.run()
  File "/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/process.py", line 93, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/Cellar/anvio/2.2.2_1/libexec/bin/bottle.py", line 3123, in run
    server.run(app)
  File "/usr/local/Cellar/anvio/2.2.2_1/libexec/bin/bottle.py", line 2801, in run
    server.start()
  File "/usr/local/Cellar/anvio/2.2.2_1/libexec/lib/python3.6/site-packages/cherrypy/wsgiserver/__init__.py", line 2008, in start
    raise socket.error(msg)
OSError: No socket could be created -- (('0.0.0.0', 8080): [Errno 48] Address already in use)

* The server is now listening the port number "8080". When you are finished, press
CTRL+C to terminate the server.

wireles-guest-16-39-129:nautili courtine$ anvi-display-pan -p NAUTILI-PAN.db -s NAUTILI-SAMPLES.db -g ../THERMOCOCCALES-GENOMES.h5 -p 8081

File/Path Error: No such file: '8081' :/

[ozcan]

Confirmed, anvio tries to pick port before initializing Interactive class when it takes long time another process can occupy that port, it should pick after everything is done.

[meren]

Also, of you put one server in background, and start another one, you get this error.