Django postgres无法连接到

Question

hi-im正在使用virtualenv开发一个django项目，该项目使用以下内容 Django==1.7.6 argparse==1.2.1 心理2==2.6 wsgiref==0.1.2

但是当我尝试python manage.py runserver时，它会给我这个错误

Performing system checks... System check identified no issues (0 silenced). Unhandled exception in thread started by <function wrapper at 0x7f0574e8c0c8> Traceback (most recent call last): File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 222, in wrapper fn(*args, **kwargs) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 107, in inner_run self.check_migrations() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 159, in check_migrations executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS]) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 17, in __init__ self.loader = MigrationLoader(self.connection) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/migrations/loader.py", line 48, in __init__ self.build_graph() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/migrations/loader.py", line 183, in build_graph self.applied_migrations = recorder.applied_migrations() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 59, in applied_migrations self.ensure_schema() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 49, in ensure_schema if self.Migration._meta.db_table in self.connection.introspection.get_table_list(self.connection.cursor()): File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/__init__.py", line 165, in cursor cursor = self.make_debug_cursor(self._cursor()) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/__init__.py", line 138, in _cursor self.ensure_connection() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/__init__.py", line 133, in ensure_connection self.connect() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/utils.py", line 94, in __exit__ six.reraise(dj_exc_type, dj_exc_value, traceback) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/__init__.py", line 133, in ensure_connection self.connect() File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/__init__.py", line 122, in connect self.connection = self.get_new_connection(conn_params) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 130, in get_new_connection connection = Database.connect(**conn_params) File "/home/marashen/.virtualenvs/192/local/lib/python2.7/site-packages/psycopg2/__init__.py", line 164, in connect conn = _connect(dsn, connection_factory=connection_factory, async=async) django.db.utils.OperationalError: could not connect to server: Connection refused Is the server running on host "127.0.0.1" and accepting TCP/IP connections on port 5432?

Answer 1

你可以试试这个：

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'elfmsdb',
        'USER': 'postgres',
        'PASSWORD': '',
        'HOST': '127.0.0.1',
        'PORT': '5432',
    }
}

Answer 2

我不知道是什么问题，但我试过了

$sudo服务postgresql重新启动 然后runserver就开始工作了。在