Pulp

After a long time running pulp-content-app all requests begin failing with the following error message:

Traceback (most recent call last):
  File "/venv/lib64/python3.6/site-packages/aiohttp/web_protocol.py", line 418, in start
    resp = await task
  File "/venv/lib64/python3.6/site-packages/aiohttp/web_app.py", line 458, in _handle
    resp = await handler(request)
  File "/venv/lib64/python3.6/site-packages/pulpcore/content/handler.py", line 117, in stream_content
    return await self._match_and_stream(path, request)
  File "/venv/lib64/python3.6/site-packages/pulpcore/content/handler.py", line 309, in _match_and_stream
    distro = self._match_distribution(path)
  File "/venv/lib64/python3.6/site-packages/pulpcore/content/handler.py", line 158, in _match_distribution
    return BaseDistribution.objects.get(base_path__in=base_paths).cast()
  File "/venv/lib64/python3.6/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/venv/lib64/python3.6/site-packages/django/db/models/query.py", line 402, in get
    num = len(clone)
  File "/venv/lib64/python3.6/site-packages/django/db/models/query.py", line 256, in __len__
    self._fetch_all()
  File "/venv/lib64/python3.6/site-packages/django/db/models/query.py", line 1242, in _fetch_all
    self._result_cache = list(self._iterable_class(self))
  File "/venv/lib64/python3.6/site-packages/django/db/models/query.py", line 55, in __iter__
    results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
  File "/venv/lib64/python3.6/site-packages/django/db/models/sql/compiler.py", line 1131, in execute_sql
    cursor = self.connection.cursor()
  File "/venv/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 256, in cursor
    return self._cursor()
  File "/venv/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 235, in _cursor
    return self._prepare_cursor(self.create_cursor(name))
  File "/venv/lib64/python3.6/site-packages/django/db/utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/venv/lib64/python3.6/site-packages/django/db/backends/base/base.py", line 235, in _cursor
    return self._prepare_cursor(self.create_cursor(name))
  File "/venv/lib64/python3.6/site-packages/django/db/backends/postgresql/base.py", line 223, in create_cursor
    cursor = self.connection.cursor()
django.db.utils.InterfaceError: connection already closed

Possible reason is that pulp-content-app doesn't re-establish database connection whenever it closes.