Hello,

> DATABASES_DEFAULT = {
>
>         'ENGINE': 'django.db.backends.postgresql_psycopg2',
>         'NAME': 'litdb',
>         'USER': 'root',
>         'PASSWORD': '',
>         'HOST': 'localhost',
>         'PORT': '80',
> }

First, if this means what I think it means, it's a very nasty way to define your
database. Instead, do this:

DATABASES = {
    'default': {
        'ENGINE': ...,
        ...,
    }
}

Now, for what you are asking, PostgreSQL does not listen on port 80; more likely
it's listening on port 5432.

Regards,

A.

Antonis Christofides
http://djangodeployment.com

On 2017-05-31 14:35, Bobby Paul wrote:
> Dear All,
>
> I am getting this error message while trying to install psql database.
>
>  File "setup.py", line 18, in <module>
>     execute_from_command_line(['manage.py','migrate'])
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/core/management/__init__.py",
> line 354, in execute_from_command_line
>     utility.execute()
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/core/management/__init__.py",
> line 346, in execute
>     self.fetch_command(subcommand).run_from_argv(self.argv)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/core/management/base.py",
> line 394, in run_from_argv
>     self.execute(*args, **cmd_options)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/core/management/base.py",
> line 445, in execute
>     output = self.handle(*args, **options)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/core/management/commands/migrate.py",
> line 93, in handle
>     executor = MigrationExecutor(connection, self.migration_progress_callback)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/migrations/executor.py",
> line 19, in __init__
>     self.loader = MigrationLoader(self.connection)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/migrations/loader.py",
> line 47, in __init__
>     self.build_graph()
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/migrations/loader.py",
> line 191, in build_graph
>     self.applied_migrations = recorder.applied_migrations()
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/migrations/recorder.py",
> line 59, in applied_migrations
>     self.ensure_schema()
>   File
> "/usr/local/bin/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.table_names(self.connection.cursor()):
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/base/base.py",
> line 162, in cursor
>     cursor = self.make_debug_cursor(self._cursor())
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/base/base.py",
> line 135, in _cursor
>     self.ensure_connection()
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/base/base.py",
> line 130, in ensure_connection
>     self.connect()
>   File "/usr/local/bin/lib/python2.7/site-packages/django/db/utils.py", line
> 98, in __exit__
>     six.reraise(dj_exc_type, dj_exc_value, traceback)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/base/base.py",
> line 130, in ensure_connection
>     self.connect()
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/base/base.py",
> line 119, in connect
>     self.connection = self.get_new_connection(conn_params)
>   File
> "/usr/local/bin/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py",
> line 176, in get_new_connection
>     connection = Database.connect(**conn_params)
>   File "/usr/local/bin/lib/python2.7/site-packages/psycopg2/__init__.py", line
> 130, in connect
>     conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
> django.db.utils.OperationalError: server closed the connection unexpectedly
>         This probably means the server terminated abnormally
>         before or while processing the request.
> ==========
> DATABASES_DEFAULT = {
>
>         'ENGINE': 'django.db.backends.postgresql_psycopg2',
>         'NAME': 'litdb',
>         'USER': 'root',
>         'PASSWORD': '',
>         'HOST': 'localhost',
>         'PORT': '80',
> }
>
> How to sort this issue?
>
> Kind Regards
> Bobby Paul
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