Learn more about the common errors and how to resolve them.

Below is the list of the common errors and its resolutions you might encounter while connecting or running the Oxla server.

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Undefined volume and invalid compose project

If you encounter an error like this: service "oxla_node" refers to undefined volume local_csvs: invalid compose project

Follow these steps:

  1. Change the directory where you store the docker-compose configuration file by executing this command:
cd your_folder_name
  1. Open the docker-compose configuration file by executing this command:
vim your_file_name.yml
  1. Remove local_csvs:/local_csvsin your docker compose file.

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Too many open files

If you encounter an error as follows when deploying Oxla servers

Jan 24 13:58:26 server[XXXXXX]: 2023-01-24 13:58:26.301 ERROR [229223] [network::StateHandlerManager>::start@241] could not accept incoming connection because:
Jan 24 13:58:26 server[XXXXXX]: --------------------------------------------------------------------------------
Jan 24 13:58:26 server[XXXXXX]: Too many open files

Follow these steps:

  1. Change the directory where you store the docker compose configuration file by executing this command:
cd your_folder_name
  1. Open the docker compose configuration file by executing this command:
vim your_file_name.yml
  1. Ensure that your docker compose file has the correct limit as follows:
ulimits:
      nofile:
        soft: 40000
        hard: 40000

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Command not recognized - psql

If you encounter an error like this:

'psql' is not recognized as an internal or external command, operable program, or batch file

Follow these steps:

For windows:

  1. Open the PostgreSQL folder > scripts folder and open the command prompt on your computer:

(c) Microsoft Corporation. All rights reserved.

C:\Program Files\PostgreSQL\14\scripts>
  1. Run the following command: cd "C:\Program Files\PostgreSQL\14\bin"
(c) Microsoft Corporation. All rights reserved.

C:\Program Files\PostgreSQL\14\scripts> cd "C:\Program Files\PostgreSQL\14\bin"
  1. Last but not least, execute the following command to run the Oxla server: psql -h 44.210.23.203“
(c) Microsoft Corporation. All rights reserved. 

C:\Program Files\PostgreSQL\14\scripts> cd "C:\Program Files\PostgreSQL\14\bin" 

C:\Program Files\PostgreSQL\14\bin> psql.exe -h 44.210.23.203

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Encoding is not supported

If you encounter an error like this: Psql: error: connection to server at "44.210.23.203", port 5432 failed: FATAL: WIN1252 encoding is not supported

Follow these steps:

  1. Run the following command:
SET PGCLIENTENCODING=UTF8
  1. Then, activate the code page with the command below:
chcp 65001Command

You will get the following output:

Active code page: 65001
  1. Execute the following command to run the Oxla server: psql -h 44.210.23.203
C:\Program Files\PostgreSQL\14\bin>SET PGCLIENTENCODING=UTF8

C:\Program Files\PostgreSQL\14\bin>chcp 65001
Active code page: 65001

C:\Program Files\PostgreSQL\14\bin>psql.exe -h 44.210.23.203

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Missing argument

If you encounter an error like this: Psql: warning: extra command-line argument "44.210.23.203" ignored

Re-check the command. Keep an eye on each component, even the symbols and uppercase/lowercase words.

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Command not found - psql

If you encounter an error like this: Psql.exe: command not found

Download and install PostgreSQL on your computer:

  • For windows, download PostgreSQL from here.
  • For linux, install PostgreSQL by following the steps here.
  • For mac, install PostgreSQL using the brew in terminal: mac$ brew install postgresql.