Re: The pgAdmin 4 server could not be contacted:

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From: CHALLAHEMANTH <hemasonofcsrgk1998@gmail.com>
To: pgadmin-support@postgresql.org
Subject: Re: The pgAdmin 4 server could not be contacted:
Date: Sun, 16 May 2021 12:42:40 -0700 (MST)
Message-ID: <1621194160639-0.post@n3.nabble.com> (raw)
In-Reply-To: <CAJFwRrNEcuU4nBiz64yFt8DUQE6fpRjATuXXLXw-4fDULUWrWw@mail.gmail.com>
References: <8B006FB9-F035-477A-8F9B-50DC8FC8FEDE@icloud.com>
	<CAJFwRrNEcuU4nBiz64yFt8DUQE6fpRjATuXXLXw-4fDULUWrWw@mail.gmail.com>

I am trying to install Postgre SQl on windows 10 but after installation, I am
getting a window named

The pgAdmin 4 server could not be contacted:

The details inside the window are

pgAdmin Runtime Environment
--------------------------------------------------------
Python Path: "C:\Program Files\PostgreSQL\13\pgAdmin 4\python\python.exe"
Runtime Config File:
"C:\Users\hp\AppData\Roaming\pgadmin\runtime_config.json"
pgAdmin Config File: "C:\Program Files\PostgreSQL\13\pgAdmin
4\web\config.py"
Webapp Path: "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py"
pgAdmin Command: "C:\Program Files\PostgreSQL\13\pgAdmin 4\python\python.exe
-s C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py"
Environment: 
  - ALLUSERSPROFILE: C:\ProgramData
  - APPDATA: C:\Users\hp\AppData\Roaming
  - CHROME_CRASHPAD_PIPE_NAME: \\.\pipe\crashpad_5852_YIMDLVLENKCBOENT
  - CHROME_RESTART: NW.js|Whoa! NW.js has crashed. Relaunch
now?|LEFT_TO_RIGHT
  - CommonProgramFiles: C:\Program Files\Common Files
  - CommonProgramFiles(x86): C:\Program Files (x86)\Common Files
  - CommonProgramW6432: C:\Program Files\Common Files
  - COMPUTERNAME: DESKTOP-TK8J1MC
  - ComSpec: C:\WINDOWS\system32\cmd.exe
  - DriverData: C:\Windows\System32\Drivers\DriverData
  - FPS_BROWSER_APP_PROFILE_STRING: Internet Explorer
  - FPS_BROWSER_USER_PROFILE_STRING: Default
  - HOMEDRIVE: C:
  - HOMEPATH: \Users\hp
  - LOCALAPPDATA: C:\Users\hp\AppData\Local
  - LOGONSERVER: \\DESKTOP-TK8J1MC
  - NUMBER_OF_PROCESSORS: 4
  - OneDrive: C:\Users\hp\OneDrive
  - OS: Windows_NT
  - Path:
C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\OpenSSH\;C:\Program
Files\Java\jdk\bin;C:\Program
Files\Java\jre\bin;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program
Files\Microsoft SQL
Server\130\Tools\Binn\;G:\MATLAB\R2021a\bin;C:\Users\hp\AppData\Local\Programs\Python\Python38\Scripts\;C:\Users\hp\AppData\Local\Programs\Python\Python38\;C:\Python27;C:\Python27\Scripts;C:\Program
Files\JetBrains\PyCharm Community Edition
2020.2\bin;;C:\Users\hp\AppData\Local\Microsoft\WindowsApps;;C:\Users\hp\AppData\Local\Programs\Microsoft
VS Code\bin
  - PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
  - PGADMIN_INT_KEY: 4f99a0f6-11d8-4b90-8d64-96f9d2eda282
  - PGADMIN_INT_PORT: 51575
  - PGADMIN_SERVER_MODE: OFF
  - PROCESSOR_ARCHITECTURE: AMD64
  - PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 78 Stepping 3, GenuineIntel
  - PROCESSOR_LEVEL: 6
  - PROCESSOR_REVISION: 4e03
  - ProgramData: C:\ProgramData
  - ProgramFiles: C:\Program Files
  - ProgramFiles(x86): C:\Program Files (x86)
  - ProgramW6432: C:\Program Files
  - PSModulePath: C:\Program
Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
  - PUBLIC: C:\Users\Public
  - PyCharm Community Edition: C:\Program Files\JetBrains\PyCharm Community
Edition 2020.2\bin;
  - SESSIONNAME: Console
  - SystemDrive: C:
  - SystemRoot: C:\WINDOWS
  - TEMP: C:\Users\hp\AppData\Local\Temp
  - TMP: C:\Users\hp\AppData\Local\Temp
  - USERDOMAIN: DESKTOP-TK8J1MC
  - USERDOMAIN_ROAMINGPROFILE: DESKTOP-TK8J1MC
  - USERNAME: hp
  - USERPROFILE: C:\Users\hp
  - VBOX_MSI_INSTALL_PATH: C:\Program Files\Oracle\VirtualBox\
  - windir: C:\WINDOWS
--------------------------------------------------------

Traceback (most recent call last):
  File "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgAdmin4.py", line 98,
in <module>
    app = create_app()
  File "C:\Program Files\PostgreSQL\13\pgAdmin 4\web\pgadmin\__init__.py",
line 347, in create_app
    if not os.path.exists(SQLITE_PATH) or get_version() == -1:
  File "C:\Program Files\PostgreSQL\13\pgAdmin
4\web\pgadmin\setup\db_version.py", line 19, in get_version
    return version.value
AttributeError: 'NoneType' object has no attribute 'value'




I am unable to even understand whats the thing that I can do. I am hoping
for help from you. Please look into this.




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