Sudden Error in bench update

Getting this suddenly! Found internal server error when trying to access the site, then tried to run bench update. Last time I checked, everything was up and running

Already up-to-date.
From https://github.com/frappe/frappe
 * branch            master     -> FETCH_HEAD
Already up-to-date.
From https://github.com/frappe/erpnext
 * branch            master     -> FETCH_HEAD
Already up-to-date.
Database backed up /home/zinnee/frappe-bench/sites/site1.local/private/backups/20150928_15451696_database.sql.gz
Migrating site1.local
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 79, in <module>
    main()
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 16, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 700, in __call__
    return self.main(*args, **kwargs)
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 680, in main
    rv = self.invoke(ctx)
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1027, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1027, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 873, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 508, in invoke
    return callback(*args, **kwargs)
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py", line 16, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/commands.py", line 29, in _func
    ret = f(frappe._dict(ctx.obj), *args, **kwargs)
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/commands.py", line 214, in migrate
    frappe.modules.patch_handler.run_all()
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 21, in run_all
    executed = [p[0] for p in frappe.db.sql("""select patch from `tabPatch Log`""")]
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/database.py", line 105, in sql
    self.connect()
  File "/home/zinnee/frappe-bench/apps/frappe/frappe/database.py", line 51, in connect
    use_unicode=True, charset='utf8')
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/__init__.py", line 81, in Connect
    return Connection(*args, **kwargs)
  File "/home/zinnee/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py", line 193, in __init__
    super(Connection, self).__init__(*args, **kwargs2)
_mysql_exceptions.OperationalError: (2002, 'Can\'t connect to local MySQL server through socket \'/var/run/mysqld/mysqld.sock\' (111 "Connection refused")')
Traceback (most recent call last):
  File "/usr/local/bin/bench", line 9, in <module>
    load_entry_point('bench==0.92', 'console_scripts', 'bench')()
  File "/home/zinnee/bench-repo/bench/cli.py", line 60, in cli
    bench()
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 700, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 680, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1027, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 873, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 508, in invoke
    return callback(*args, **kwargs)
  File "/home/zinnee/bench-repo/bench/cli.py", line 240, in _update
    update(pull, patch, build, bench, auto, restart_supervisor, requirements, no_backup, upgrade, force=force)
  File "/home/zinnee/bench-repo/bench/cli.py", line 270, in update
    patch_sites(bench=bench_path)
  File "/home/zinnee/bench-repo/bench/utils.py", line 158, in patch_sites
    run_frappe_cmd('--site', 'all', 'migrate', bench=bench)
  File "/home/zinnee/bench-repo/bench/utils.py", line 489, in run_frappe_cmd
    raise CommandFailedError(args)
bench.utils.CommandFailedError: ('--site', 'all', 'migrate')

Can anyone please help!

got the same error today after running a bench update. Any ideas why? Thanks!

Your mysql service seems to be down.

Yes! After starting it, everything is fine. Thank you :smile: