Re: FATAL ERROR: The application server could not be contacted.

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От Luana CristinaCroft
Тема Re: FATAL ERROR: The application server could not be contacted.
Дата
Msg-id BN6PR15MB15699F443705A910F8CBFD96D1320@BN6PR15MB1569.namprd15.prod.outlook.com
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Ответ на RE: FATAL ERROR: The application server could not be contacted.  (Igor Neyman <ineyman@perceptron.com>)
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Hi Igor.

So, I already made this. In real fact, I deleted like was said in a site with some possible errors.

I am sending to you a archive of my log. Can you see and give me some solutions?

I will wait.

Thanks a lot.


"pgAdmin4.2123502176.log

Traceback (most recent call last):
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/web/pgAdmin4.py", line 70, in <module>
    app = create_app()
  File "C:\Program Files\PostgreSQL\10\pgAdmin 4\web\pgadmin\__init__.py", line 317, in create_app
    db_upgrade(app)
  File "C:\Program Files\PostgreSQL\10\pgAdmin 4\web\pgadmin\setup\db_upgrade.py", line 25, in db_upgrade
    flask_migrate.upgrade(migration_folder)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\flask_migrate\__init__.py", line 259, in upgrade
    command.upgrade(config, revision, sql=sql, tag=tag)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\command.py", line 254, in upgrade
    script.run_env()
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\script\base.py", line 427, in run_env
    util.load_python_file(self.dir, 'env.py')
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\util\pyfiles.py", line 81, in load_python_file
    module = load_module_py(module_id, path)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\util\compat.py", line 135, in load_module_py
    mod = imp.load_source(module_id, path, fp)
  File "C:\Program Files\PostgreSQL\10\pgAdmin 4\web\pgadmin\setup\..\..\migrations\env.py", line 94, in <module>
    run_migrations_online()
  File "C:\Program Files\PostgreSQL\10\pgAdmin 4\web\pgadmin\setup\..\..\migrations\env.py", line 87, in run_migrations_online
    context.run_migrations()
  File "<string>", line 8, in run_migrations
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\runtime\environment.py", line 836, in run_migrations
    self.get_context().run_migrations(**kw)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\alembic\runtime\migration.py", line 330, in run_migrations
    step.migration_fn(**kw)
  File "C:\Program Files\PostgreSQL\10\pgAdmin 4\web\migrations\versions\02b9dccdcfcb_.py", line 28, in upgrade
    'ALTER TABLE server ADD COLUMN bgcolor TEXT(10)'
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 2075, in execute
    return connection.execute(statement, *multiparams, **params)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 942, in execute
    return self._execute_text(object, multiparams, params)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 1104, in _execute_text
    statement, parameters
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 1200, in _execute_context
    context)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 1413, in _handle_dbapi_exception
    exc_info
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\util\compat.py", line 265, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb, cause=cause)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\base.py", line 1193, in _execute_context
    context)
  File "C:/Program Files/PostgreSQL/10/pgAdmin 4/venv/Lib/site-packages\sqlalchemy\engine\default.py", line 509, in do_execute
    cursor.execute(statement, parameters)
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) duplicate column name: bgcolor [SQL: 'ALTER TABLE server ADD COLUMN bgcolor TEXT(10)'] (Background on this error at: http://sqlalche.me/e/e3q8)
Exception KeyError: KeyError(15440,) in <module 'threading' from 'C:/Program Files/PostgreSQL/10/pgAdmin 4/venv\lib\threading.py'> ignored



Luana Cristina de A Silva
Analista em Tecnologia da Informação Senior alocada na SEFAD-OLINDA
Bacharela em Sistemas de Informação (Centro Universitário Maurício de Nassau)
Pós graduada em Engenharia de Software (Unibratec) 

Aluna de mestrado das disciplinas de Data Warehousing e Banco de Dados no CIN-UFPE

Aluna no MBA em Análise de Inteligência de Negócio (IGTI)
Skype e e-mail: luanacrystinne@msn.com

LinkedIn: linkedin.com/in/luanacristinaas

Mobile: (81)9 9900-1226 / 9 8535-1025



De: Igor Neyman <ineyman@perceptron.com>
Enviado: segunda-feira, 20 de agosto de 2018 13:40
Para: Luana CristinaCroft; pgadmin-support@lists.postgresql.org
Assunto: RE: FATAL ERROR: The application server could not be contacted.
 

 

From: Luana CristinaCroft [mailto:luanacrystinne@msn.com]
Sent: Monday, August 20, 2018 10:44 AM
To: pgadmin-support@lists.postgresql.org
Subject: FATAL ERROR: The application server could not be contacted.

The following bug has been logged on the website:

Bug reference:      15340
Logged by:          Luana Croft
Email address:      luanacrystinne@msn.com
PostgreSQL version: 10.5
Operating system:   Windows 10
Description:

Hi. Good afternoon.
So, when I try to open o PGADMIN4.3 always show me a pop up with this
message: "Fatal error. The application server could not be contacted."
After this upgrade my PGADMIN9.4 was working properly and I try to go back but now nothing work any more.
Can you please help me to fix this?

 

Luana Cristina de A Silva
Analista em Tecnologia da Informação Senior alocada na SEFAD-OLINDA
Bacharela em Sistemas de Informação (Centro Universitário Maurício de Nassau)
Pós graduada em Engenharia de Software (Unibratec) 

Aluna de mestrado das disciplinas de Data Warehousing e Banco de Dados no CIN-UFPE

Aluna no MBA em Análise de Inteligência de Negócio (IGTI)
Skype e e-mail: luanacrystinne@msn.com

LinkedIn: linkedin.com/in/luanacristinaas

Mobile: (81)9 9900-1226 / 9 8535-1025

 

Some time ago I received the following advice:

 

“Can you try renaming existing pgAdmin4.db to pgAdmin4.db_OLD which is located at C:\Users\<YourUsername>\AppData\Roaming\pgAdmin\

And try to start pgAdmin4 again.”

 

And it worked. Try it.

 

Regards,

Igor Neyman


 

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