Unexpected error: <class 'django.db.utils.OperationalError'>
connection to server at "localhost" (::1), port 5432 failed: FATAL:  remaining connection slots are reserved for non-replication superuser connections

<traceback object at 0x7f9e8c0af608>
Traceback (most recent call last):
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 119, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 172, in get_new_connection
    connection = Database.connect(**conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/psycopg2/__init__.py", line 164, in connect
    conn = _connect(dsn, connection_factory=connection_factory, async=async)
psycopg2.OperationalError: connection to server at "localhost" (::1), port 5432 failed: FATAL:  remaining connection slots are reserved for non-replication superuser connections


The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/core/handlers/base.py", line 108, in get_response
    response = middleware_method(request)
  File "/virtual/mskjp/memoon/memoon/system/middle.py", line 11, in process_request
    models.AccessLog.addlog(request)
  File "/virtual/mskjp/memoon/memoon/system/models.py", line 32, in addlog
    a.save()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/base.py", line 710, in save
    force_update=force_update, update_fields=update_fields)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/base.py", line 735, in save_base
    with transaction.atomic(using=using, savepoint=False):
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/transaction.py", line 150, in __enter__
    if not connection.get_autocommit():
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 286, in get_autocommit
    self.ensure_connection()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/utils.py", line 97, in __exit__
    six.reraise(dj_exc_type, dj_exc_value, traceback)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/utils/six.py", line 658, in reraise
    raise value.with_traceback(tb)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 119, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 172, in get_new_connection
    connection = Database.connect(**conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/psycopg2/__init__.py", line 164, in connect
    conn = _connect(dsn, connection_factory=connection_factory, async=async)
django.db.utils.OperationalError: connection to server at "localhost" (::1), port 5432 failed: FATAL:  remaining connection slots are reserved for non-replication superuser connections


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 119, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 172, in get_new_connection
    connection = Database.connect(**conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/psycopg2/__init__.py", line 164, in connect
    conn = _connect(dsn, connection_factory=connection_factory, async=async)
psycopg2.OperationalError: connection to server at "localhost" (::1), port 5432 failed: FATAL:  remaining connection slots are reserved for non-replication superuser connections


The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "conetamono1.cgi", line 137, in <module>
    run_with_cgi(django.core.wsgi.get_wsgi_application())
  File "conetamono1.cgi", line 118, in run_with_cgi
    result = application(environ, start_response)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/core/handlers/wsgi.py", line 189, in __call__
    response = self.get_response(request)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/core/handlers/base.py", line 218, in get_response
    response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/core/handlers/base.py", line 268, in handle_uncaught_exception
    return callback(request, **param_dict)
  File "/virtual/mskjp/memoon/memoon/main/views.py", line 482, in handler500
    return render(request, 'error.html', context, status=500)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/shortcuts.py", line 67, in render
    template_name, context, request=request, using=using)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/loader.py", line 99, in render_to_string
    return template.render(context, request)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/backends/django.py", line 74, in render
    return self.template.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 209, in render
    return self._render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 201, in _render
    return self.nodelist.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 903, in render
    bit = self.render_node(node, context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 917, in render_node
    return node.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/loader_tags.py", line 135, in render
    return compiled_parent._render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 201, in _render
    return self.nodelist.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 903, in render
    bit = self.render_node(node, context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 917, in render_node
    return node.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/defaulttags.py", line 329, in render
    return nodelist.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 903, in render
    bit = self.render_node(node, context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 917, in render_node
    return node.render(context)
  File "/virtual/mskjp/memoon/memoon/main/templatetags/memoontag.py", line 44, in render
    return t.render(c)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/backends/django.py", line 74, in render
    return self.template.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 209, in render
    return self._render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 201, in _render
    return self.nodelist.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 903, in render
    bit = self.render_node(node, context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/base.py", line 917, in render_node
    return node.render(context)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/template/defaulttags.py", line 162, in render
    len_values = len(values)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/query.py", line 144, in __len__
    self._fetch_all()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/query.py", line 965, in _fetch_all
    self._result_cache = list(self.iterator())
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/query.py", line 238, in iterator
    results = compiler.execute_sql()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/models/sql/compiler.py", line 827, in execute_sql
    cursor = self.connection.cursor()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 164, in cursor
    cursor = self.make_cursor(self._cursor())
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 135, in _cursor
    self.ensure_connection()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/utils.py", line 97, in __exit__
    six.reraise(dj_exc_type, dj_exc_value, traceback)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/utils/six.py", line 658, in reraise
    raise value.with_traceback(tb)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 130, in ensure_connection
    self.connect()
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/base/base.py", line 119, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 172, in get_new_connection
    connection = Database.connect(**conn_params)
  File "/virtual/mskjp/usr2/lib/python3.4/site-packages/psycopg2/__init__.py", line 164, in connect
    conn = _connect(dsn, connection_factory=connection_factory, async=async)
django.db.utils.OperationalError: connection to server at "localhost" (::1), port 5432 failed: FATAL:  remaining connection slots are reserved for non-replication superuser connections