I am following this tutorial to upload my existing Django project running locally on sqlite to Google Cloud Run / Postgres.
I have the cloud_sql_proxy service running and can sign into Postgres from the command line.
I am at the point of running the command
python manage.py migrate
And I get the error:
django.db.utils.OperationalError: connection to server on socket "/cloudsql/cgps-registration-2:us-central-1:cgps-reg-2-postgre-sql/.s.PGSQL.5432" failed: No such file or directory
Is the server running locally and accepting connections on that socket?
The answer to that questions is Yes, the server is running locally and accepting connections because I can log in with the Postgres client:
agerson#agersons-iMac ~ % psql "sslmode=disable dbname=postgres user=postgres hostaddr=127.0.0.1"
Password for user postgres:
psql (14.1, server 13.4)
Type "help" for help.
postgres=>
I double checked the connection string in my .env file and it has the correct UN / P
Is this scoket not getting created somehow in a previous step?
/cloudsql/cgps-registration-2:us-central-1:cgps-reg-2-postgre-sql/.s.PGSQL.5432
It looks like there's a mismatch between what the app is looking for and how you're launching the proxy. The error explains the problem.
You're launching the proxy like this with an incorrect region name (us-central):
cloud_sql_proxy -instances="cgps-registration-2:us-central:cgps-reg-2-postgre-sql=tcp:5432
But the app is looking for us-central1. Try this (omitting the =tcp:5432 to create a Unix socket):
cloud_sql_proxy -instances="cgps-registration-2:us-central1:cgps-reg-2-postgre-sql
So I was trying to host my first Django app on heroku.
Took help form some Youtube channels. I used postgresql as my database. Now when I tried hosting my app on heroku the following error is showing up:
could not connect to server: Connection refused
Is the server running on host "localhost" (127.0.0.1) and accepting
TCP/IP connections on port 5432?```
**This is the error showing**
run postgres -D /usr/local/var/postgres The result of this should be:
FATAL: lock file "postmaster.pid" already exists
HINT: Is another postmaster (PID 379) running in data directory
"/usr/local/var/postgres"?
Then type kill -9 PID in HINT
Let me know if this works for you?
I have installed pgadmin on a new windows laptop and when I try to create a new server, it says:
When I try to run my django app in pycharm it is giving me the same error
could not connect to server: Connection refused (0x0000274D/10061)
Is the server running on host "localhost" (127.0.0.1) and accepting
TCP/IP connections on port 5432?
How to solve this ?
In case someone is running the pgadmin-4 in docker, and not able to connect to postgres container, like me.
The solution is to first find the ip at which the docker image is running.
Step-1, make sure the postgres container is running.
Step-2 write command- PS C:\docker> docker ps
Should result as below or similar,
Step3- in order to find the ip address running the postgres use part of container ID and analyze like below command
PS C:\docker> docker inspect fc834
Note: Here I have only used part of container id that is fc834..
This should result the following or similar,
Step4-
Use this ip address in the connection as below with your correct username and password
You may need to installing PostgreSQL Server first.
You can verify if the folder is created in the below folder,
C:\Program Files\PostgreSQL
You can configurate your newly created server to run on localhost and port 5432.
First select the “Connection” tab in the “Create-Server” window. Then, configure the connection as follows:
Enter your server’s IP address in the “Hostname/ Address” field. Default is localhost.
Specify the “Port” as “5432”.
Enter the name of the database in the “Database Maintenance” field.
Enter your username as postgres and password (use the same password you used when previously configuring the server to accept remote connections) for the database.
Click “Save” to apply the configuration.
NOTE You first have to install PostgreSQL on your machine and run it or run it with docker.
I had the same issue. But in my case I had installed pgadmin in version 9. But also installed version 12 at the same time.
When I now uninstalled version 9, the port was already set in the config of version 12 and not given free.
So my solution was to change the port of version 12 in the postgresql.conf file. Or even simplier, change the port in the server creation from 5432 to 5433. Now you are able to create a server again.
You should uninstall Postgres and pgAdmin from your PC. Then install postgres, note that you have the option of installing pgAdmin together with Postgres, so you don't have to download pgAdmin separately. Allow the installation to complete then restart you PC. Hopefully you should be able to create your server/database
I was running postgress and pgadmin both using docker container.
sudo docker ps
sudo docker inspect <postgress_container_id>
Output:
"Networks": {
"work_file_default": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"postgres",
"578a7a1050d1"
],
"NetworkID": "49dbe9d7280b55e36afc4308469c1b55e051d7eea8f1c03f08728e652cf22b5b",
"EndpointID": "c30a642c5a0f2970147c9734cadfbe1e8d7c29fcba8a83a628b7c2b3db114716",
"Gateway": "172.18.0.1",
**"IPAddress": "172.18.0.4",**
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:12:00:04",
"DriverOpts": null
}
Instead of localhost put the IP obtained from above command (172.18.0.4)
In my case was I got both pgadmin and postgresql services running in separate docker containers and I was trying to connect to localhost(127.0.0.1), which is cause of unable to connect to server error.
Note: 5438 port on my computer (host machine) was mapped to 5432 port of postgresql container.
so practically there are two solutions (if you have these services in separate containers and you have mapped postgresql port to your host machine ):
1-find out your local IP (mine is 192.168.1.106) and put it in the Host field.
2- you can put two containers(pgadmin and postgres) in one network (docker network)
and instead of your local IP, put postgres container IP in the Host field.
-Another tip that may help: what I've recently find out was if you are linux user and have ufw enabled, you should allow the port.
e.g. on my computer postgres is running on 5438 port, so I performed below command (so I could connect from pgadmin container to 5438 port of host wich postgres is running)
ufw allow 5438
Execute the container with the data Eg:
docker run --name postgresdb -e POSTGRES_USER=username -e POSTGRES_PASSWORD=password -e POSTGRES_DB=mydb -p 5432:5432 --restart always -d postgres
Then in the PGAdmin client in the Host Name/Address use:
host.docker.internal
Image Conn PGAdmin
I was trying to install PostgreSQL and pgAdmin with an installer that is given here https://www.postgresql.org/download/windows/. This installer includes the PostgreSQL server, pgAdmin;
I was facing an error while starting pgAdmin: "The pgAdmin 4 server could not be contacted". I tried different solutions but did not work.
Then I uninstalled both of them, deleted the temp folder C:\Users\%USERNAME%\AppData\Roaming\pgAdmin and delete those ones too %temp%.
Then I installed the pgAdmin separately from this link https://www.pgadmin.org/download/
and it works. If you need to connect it with your local server I think you should install the PostgreSQL server first and then pgAdmin separately.
I faced the same problem. So I uninstalled pgAdmin through control panel. after that deleted the folder where pgAdmin was located. Then I went to this link and installed pgadmin whole package from there and now it works fine.
I was getting this error when I was running pgadmin in a docker container on my machine, which meant that localhost:5432 was not accessible.
I worked around this by using the native version of pgadmin.
If you are running PostgreSQL in a docker container, set the host name in pgAdmin to postgres not the mapped address or localhost.
press win key+R then Search for services.msc A window will open in that find postgresql-x64-13 right click, in that tab click start option For me its works perfectly.
Check out this stackoverflow link
unable to connect to server for Postgres
how I solved this problem in ubuntu 22.04
I didn't have a password set in Postgres, that's why the error occurred 'unable to connect server 127.0.0.0 port 5432
Open the terminal in ubuntu and enter this command;
sudo -u postgres psql
Run the statement to add new password. ALTER USER Postgres PASSWORD 'AddNewPasswordHere'; in '' you should enter your new password
Example:
1)sudo -u postgres psql
2)ALTER USER postgres PASSWORD 'mynewpassword'
3)sudo service postgresql restart
4)Then you can create a server in pgadmin
If you already tried with “127.0.0.1” and it didn’t work then use “localhost”
After two years i think this would be of good help to so many people.
You don't have to uninstall postgresql or PGADMIN from your system.
What you need to do i input the username and password for a particular user created on postgresql into the server input box.
And that all you need.
i hope this helps anyone
I have changed the Django Settings file database engine to postgres_psycopg2.
When I run ./manage.py run server I get the following error numerous times:
"[03/Apr/2019 18:40:09] code 400, message Bad request version
('error",
"name":"DatabaseError",
"code":"ECONNREFUSED",
"property":null,
"redirect":null,
"errno":"ECONNREFUSED",
"syscall":"connect",
"address":"127.0.0.1",
"port":3306,"fatal":true}}'
)
For some reason it is trying to connect to port 3306, which is the Mariadb port and not port 5432, which is the port for Postgresql.
I just upgraded my Mariadb to version 10.3.14 but the problem still exists. My Postgresql is version 11.2.
I have been Googling for several days now and still have not found a solution.
EDIT: I changed the "./manage.py runserver 192.168.1.109:8000/admin" and the error went away. In my /etc/mysql/my.cnf file it had the bind_address set to the above ip address. I comment out that statement and now all is cool.
I had just installed a PostgreSQL 9.1 on the Ubuntu 12.04 server (hosted by Amazon EWS).When I tried to launch the psql command, the following error message shows up.
psql: could not connect to server: No such file or directory Is the
server running locally and accepting connections on Unix domain
socket "/var/run/postgresql/.s.PGSQL.5432"?
After searching on the web, I found I have to start the Server before using it. By following this initdb link, I still cannot use the postgresql database. Are there any further work (like configuration) should I do to start the server ?
I tried to start the service : service postgresql start
Another error message shows :
No PostgreSQL clusters exist; see "man pg_createcluster"
I received this message running a new installation of Postgres 9.3 on Ubuntu 11.04. The full message was:
$ sudo /etc/init.d/postgresql start
Error: Cannot stat /var/run/postgresql
* No PostgreSQL clusters exist; see "man pg_createcluster"
Turned out that the /var/run/postgresql directory did not exist, and it is in that directory where it was attempting to create a file with the process ID. I created the directory as root and made the "postgres" user the owner, and I was able to start the server.
Further explanation found here:
http://www.postgresql.org/message-id/21044.1326496507#sss.pgh.pa.us