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fake-name / xA-Scraper

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Error in 'start' listener <bound method Server.start of <cherrypy._cpserver.Server object #59

Closed God-damnit-all closed 4 years ago

God-damnit-all commented 4 years ago

python db_migrate.py db upgrade && python main.py


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Running migrator!
INFO  [alembic.runtime.migration] Context impl PostgresqlImpl.
INFO  [alembic.runtime.migration] Will assume transactional DDL.
INFO  [alembic.runtime.migration] Running upgrade b7e0935213d5 -> 46e1cef59e06, Fix Pixiv URLs for new format
Getting Pixiv DB Entries
Fixing database entries
0it [00:00, ?it/s]
Migrated!
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Setting up loggers....
done
Main.Runtime - INFO - Go()
Creating pool
INFO: Creating engine for process! Engine name: 'MainProcess-MainThread'
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Adding job tentatively -- it will be properly scheduled when the scheduler starts
apscheduler.scheduler - INFO - Added job "fa" to job store "default"
apscheduler.scheduler - INFO - Added job "fa" to job store "default"
apscheduler.scheduler - INFO - Added job "hf" to job store "default"
apscheduler.scheduler - INFO - Added job "hf" to job store "default"
apscheduler.scheduler - INFO - Added job "wy" to job store "default"
apscheduler.scheduler - INFO - Added job "wy" to job store "default"
apscheduler.scheduler - INFO - Added job "ib" to job store "default"
apscheduler.scheduler - INFO - Added job "ib" to job store "default"
apscheduler.scheduler - INFO - Added job "sf" to job store "default"
apscheduler.scheduler - INFO - Added job "sf" to job store "default"
apscheduler.scheduler - INFO - Added job "ng" to job store "default"
apscheduler.scheduler - INFO - Added job "ng" to job store "default"
apscheduler.scheduler - INFO - Scheduler started
apscheduler.scheduler - INFO - Scheduler started
apscheduler.scheduler - DEBUG - Looking for jobs to run
apscheduler.scheduler - DEBUG - Looking for jobs to run
Main.Runtime - INFO - Scheduler is running!
apscheduler.scheduler - DEBUG - Next wakeup is due at 2019-09-29 01:00:00-05:00 (in 148792.535664 seconds)
Main.Runtime - INFO - Launching server process
apscheduler.scheduler - DEBUG - Next wakeup is due at 2019-09-29 01:00:00-05:00 (in 148792.535664 seconds)
Main.Runtime - INFO - Entering idle loop.
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[27/Sep/2019:07:40:11] ENGINE Bus STARTING
[27/Sep/2019:07:40:11] ENGINE Started monitor thread 'Autoreloader'.
[27/Sep/2019:07:40:13] ENGINE Error in 'start' listener <bound method Server.start of <cherrypy._cpserver.Server object at 0x0000025AFD196F48>>
Traceback (most recent call last):
File "C:\Python37\lib\site-packages\portend.py", line 115, in free
Checker(timeout=0.1).assert_free(host, port)
File "C:\Python37\lib\site-packages\portend.py", line 69, in assert_free
list(itertools.starmap(self._connect, info))
File "C:\Python37\lib\site-packages\portend.py", line 85, in _connect
raise PortNotFree(tmpl.format(**locals()))
portend.PortNotFree: Port 127.0.0.1 is in use on 6543.

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "C:\Python37\lib\site-packages\cherrypy\process\wspbus.py", line 230, in publish output.append(listener(*args, *kwargs)) File "C:\Python37\lib\site-packages\cherrypy_cpserver.py", line 180, in start super(Server, self).start() File "C:\Python37\lib\site-packages\cherrypy\process\servers.py", line 177, in start portend.free(self.bind_addr, timeout=Timeouts.free) File "C:\Python37\lib\site-packages\portend.py", line 119, in free raise Timeout("Port {port} not free on {host}.".format(**locals())) portend.Timeout: Port 6543 not free on 127.0.0.1.

[27/Sep/2019:07:40:13] ENGINE Shutting down due to error in start listener: Traceback (most recent call last): File "C:\Python37\lib\site-packages\cherrypy\process\wspbus.py", line 268, in start self.publish('start') File "C:\Python37\lib\site-packages\cherrypy\process\wspbus.py", line 248, in publish raise exc cherrypy.process.wspbus.ChannelFailures: Timeout('Port 6543 not free on 127.0.0.1.')

[27/Sep/2019:07:40:13] ENGINE Bus STOPPING [27/Sep/2019:07:40:13] ENGINE HTTP Server cherrypy._cpwsgi_server.CPWSGIServer(('127.0.0.1', 6543)) already shut down [27/Sep/2019:07:40:13] ENGINE Stopped thread 'Autoreloader'. [27/Sep/2019:07:40:13] ENGINE Bus STOPPED [27/Sep/2019:07:40:13] ENGINE Bus EXITING [27/Sep/2019:07:40:13] ENGINE Bus EXITED


Nothing is running on port 6543, I checked. I downgraded xA-Scraper to https://github.com/fake-name/xA-Scraper/commit/70fb7c92409e17d2b5b3b7e98836f02638d5bc79 after this and it started fine.
God-damnit-all commented 4 years ago

Fixed in https://github.com/fake-name/xA-Scraper/commit/bd3ebbf99b02fd04e42f59a9b9bc74afd0cb3161

fake-name commented 4 years ago

It's worth noting that linux can be cranky about allowing applications to take over a port a service was previously on. There's some mechanism for preventing a application from basically taking over a communication channel from another application by killing it and then opening the same ports.

If you're restarting the app fairly quickly, it can happen pretty easily. Generally, you wait ~10 seconds or so and try again, and it works.