Re: The pgAdmin 4 server could not be contacted

This issue has been resolved by downgrading to 4v4.16.9

On Wed, 30 Apr 2025 at 08:09, Khadijah Mumin <
khadijah(dot)mumin(at)mavensecurities(dot)com> wrote:

> I will be out of the office from May 1 to May 13. I am cc my team on the
> email to respond in my absence.
>
> On Wed, 30 Apr 2025 at 07:20, Khadijah Mumin <
> khadijah(dot)mumin(at)mavensecurities(dot)com> wrote:
>
>> Good afternoon I am IT support at Maven Securities. I have 2 users Jerry
>> Law and Arjun Dhatt are unable to run pgAdmin. Both receive the same errors
>> when trying to use PGAdmin 8.14.
>> The pgadmin 4 server could not be contacted.
>> Current version installed is 8.14 production. I have done the following
>> troubleshooting steps:
>> Uninstalled rebooted vdi reinstalled application
>> Deleted this file %appdata%\pgadmin\pgadmin4.db and then relaunched PG
>> Admin. Same error
>> Set the no_proxy variable to "127.0.0.1", so that flask ignores the
>> proxy setting. Launch application and the application launch in the
>> following .
>> [image: image.png]
>> Closed application and reopened and received the original error.
>>
>> The following is the context of the error log.
>>
>> pgAdmin Runtime Environment
>> --------------------------------------------------------
>> Python Path: "C:\Program Files\pgAdmin 4\python\python.exe"
>> Runtime Config File:
>> "C:\Users\jerry.law\AppData\Roaming\pgadmin4\config.json"
>> Webapp Path: "C:\Program Files\pgAdmin 4\web\pgAdmin4.py"
>> pgAdmin Command: "C:\Program Files\pgAdmin 4\python\python.exe -s
>> C:\Program Files\pgAdmin 4\web\pgAdmin4.py"
>> Environment:
>> - ALLUSERSPROFILE: C:\ProgramData
>> - APPDATA: C:\Users\jerry.law\AppData\Roaming
>> - BLPAPI_ROOT: C:\blp\API\APIv3\C++API\blpapi_cpp_3.16.6.1
>> - CommonProgramFiles: C:\Program Files\Common Files
>> - CommonProgramFiles(x86): C:\Program Files (x86)\Common Files
>> - CommonProgramW6432: C:\Program Files\Common Files
>> - COMPUTERNAME: CDWVTRD207
>> - ComSpec: C:\Windows\system32\cmd.exe
>> - DriverData: C:\Windows\System32\Drivers\DriverData
>> - ELECTRON_ENABLE_SECURITY_WARNINGS: false
>> - HOMEDRIVE: H:
>> - HOMEPATH: \
>> - HOMESHARE: \\mavensecurities.com\shares\Home-Chi\Jerry.Law
>> - HTTPS_PROXY: http://proxy-chi.mavensecurities.com:80
>> <http://proxy-chi.mavensecurities.com/>
>> - HTTP_PROXY: http://proxy-chi.mavensecurities.com:80
>> <http://proxy-chi.mavensecurities.com/>
>> - JETBRAINS_LICENSE_SERVER: https://mavensecurities.fls.jetbrains.com
>> - LOCALAPPDATA: C:\Users\jerry.law\AppData\Local
>> - LOGONSERVER: \\CDWDC01
>> - MAVAPPS: C:\MavApps
>> - MAVLOG: C:\MavLog
>> - NO_PROXY:
>> 10.0.0.0/8,127.0.0.1/8,172.16.0.0/12,192.168.0.0/16,localhost,.localdomain.com,.mavensecurities.com,storefront.spiderrock.net
>> - NUMBER_OF_PROCESSORS: 16
>> - OneDrive: C:\Users\jerry.law\OneDrive
>> - ORIGINAL_XDG_CURRENT_DESKTOP: undefined
>> - OS: Windows_NT
>> - Path: C:\Program Files\pgAdmin 4\runtime;C:\Program Files
>> (x86)\Common
>> Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program
>> Files (x86)\Google\Google Apps Sync\;C:\Program Files\Microsoft VS
>> Code\bin;C:\Program Files\Zabbix Agent 2\;C:\Program
>> Files\Git\cmd;C:\anaconda3;C:\anaconda3\Library\mingw-w64\bin;C:\anaconda3\Library\usr\bin;C:\anaconda3\Library\bin;C:\anaconda3\Scripts;C:\anaconda3\bin;C:\Users\jerry.law\AppData\Local\Programs\Python\Python312\Scripts\;C:\Users\jerry.law\AppData\Local\Programs\Python\Python312\;C:\Users\jerry.law\AppData\Local\Microsoft\WindowsApps;C:\Users\jerry.law\AppData\Local\Programs\Python\Python312\python.exe;
>> - PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
>> - PGADMIN_INT_KEY: cb5639fc-3026-4ffe-bc1f-ec153ae2c9f4
>> - PGADMIN_INT_PORT: 50206
>> - PGADMIN_SERVER_MODE: OFF
>> - PROCESSOR_ARCHITECTURE: AMD64
>> - PROCESSOR_IDENTIFIER: AMD64 Family 23 Model 49 Stepping 0,
>> AuthenticAMD
>> - PROCESSOR_LEVEL: 23
>> - PROCESSOR_REVISION: 3100
>> - 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
>> - SESSIONNAME: Console
>> - SystemDrive: C:
>> - SystemRoot: C:\Windows
>> - TEMP: C:\Users\jerry.law\AppData\Local\Temp
>> - TMP: C:\Users\jerry.law\AppData\Local\Temp
>> - USERDNSDOMAIN: MAVENSECURITIES.COM <http://mavensecurities.com/>
>> - USERDOMAIN: MAVEN
>> - USERDOMAIN_ROAMINGPROFILE: MAVEN
>> - USERNAME: jerry.law
>> - USERPROFILE: C:\Users\jerry.law
>> - ViewClient_Agent_ConnectTicks: 1745864153
>> - ViewClient_Broker_DNS_Name: CDVDICON01.mavensecurities.com
>> <http://cdvdicon01.mavensecurities.com/>
>> - ViewClient_Broker_DomainName: MAVEN
>> - ViewClient_Broker_Farm_ID: cd_trading_gpu02
>> - ViewClient_Broker_GatewayHost: vdi-chi.mavensecurities.com
>> - ViewClient_Broker_GatewayLocation: Internal
>> - ViewClient_Broker_GatewayName: vdi-chi.mavensecurities.com
>> - ViewClient_Broker_GatewayType: SG-cohosted
>> - ViewClient_Broker_Gateway_IP_Address: 10.66.4.23
>> - ViewClient_Broker_Remote_IP_Address: 10.66.34.34
>> - ViewClient_Broker_Request_Path: 10.66.34.34, 10.66.4.23
>> - ViewClient_Broker_Tunneled: true
>> - ViewClient_Broker_Tunnel_URL: https://vdi-chi.mavensecurities.com:443
>> <https://vdi-chi.mavensecurities.com/>
>> - ViewClient_Broker_URL: https://vdi-chi.mavensecurities.com:443
>> <https://vdi-chi.mavensecurities.com/>
>> - ViewClient_Broker_UserName: jerry.law
>> - ViewClient_Client_ID: AgAAAERFTExMABA1gEjKwE8yWjM=
>> - ViewClient_Client_Version: 8.12.1-23531249
>> - ViewClient_Device_Manufacturer: Dell Inc.
>> - ViewClient_Device_Serial_Number_SHA256:
>> e8d31ea6ec0700188ff5611c08f2c3ab9055301a010aa206aa0f6ed845d1780a
>> - ViewClient_Device_UUID: 6C-3C-8C-5A-FE-95
>> - ViewClient_Displays.Number: 4
>> - ViewClient_Displays.SystemDpi: 96
>> - ViewClient_Displays.Topology:
>> {2160,3840,0,0,32,1},{2160,3840,2160,0,32,0},{2160,3840,4320,0,32,0},{2160,3840,6480,0,32,0}
>> - ViewClient_Displays.TopologyV2:
>> {2160,3840,0,0,32,1,96},{2160,3840,2160,0,32,0,96},{2160,3840,4320,0,32,0,96},{2160,3840,6480,0,32,0,96}
>> - ViewClient_Displays.TopologyV3: {
>> "displays": [
>> {
>> "width": 2160,
>> "height": 3840,
>> "left": 0,
>> "top": 0,
>> "bitsPerPixel": 32,
>> "isPrimary": true,
>> "dpi": 96,
>> "isHDR": false,
>> "refreshRate": 60
>> },
>> {
>> "width": 2160,
>> "height": 3840,
>> "left": 2160,
>> "top": 0,
>> "bitsPerPixel": 32,
>> "isPrimary": false,
>> "dpi": 96,
>> "isHDR": false,
>> "refreshRate": 60
>> },
>> {
>> "width": 2160,
>> "height": 3840,
>> "left": 4320,
>> "top": 0,
>> "bitsPerPixel": 32,
>> "isPrimary": false,
>> "dpi": 96,
>> "isHDR": false,
>> "refreshRate": 60
>> },
>> {
>> "width": 2160,
>> "height": 3840,
>> "left": 6480,
>> "top": 0,
>> "bitsPerPixel": 32,
>> "isPrimary": false,
>> "dpi": 96,
>> "isHDR": false,
>> "refreshRate": 60
>> }
>> ]
>> }
>>
>>
>>
>> - ViewClient_IME_Sync_Enabled: false
>> - ViewClient_IP_Address: 10.66.34.34
>> - ViewClient_Keyboard.KeyDelayToRepeat: 1
>> - ViewClient_Keyboard.KeyRepeatRate: 31
>> - ViewClient_Keyboard.Language: 1033
>> - ViewClient_Keyboard.Layout: 00000409
>> - ViewClient_Keyboard.NumFuncKeys: 12
>> - ViewClient_Keyboard.NumIndicators: 3
>> - ViewClient_Keyboard.NumKeys: 101
>> - ViewClient_Keyboard.ScanCodeMode: 1
>> - ViewClient_Keyboard.SubType: 0
>> - ViewClient_Keyboard.Type: 4
>> - ViewClient_Language: en-US
>> - ViewClient_Launch_ID: CD_Trading_GPU02
>> - ViewClient_Launch_SessionType: DESKTOP
>> - ViewClient_LoggedOn_Domainname: MAVEN
>> - ViewClient_LoggedOn_FQDN: mavensecurities.com
>> - ViewClient_LoggedOn_Username: jerry.law
>> - ViewClient_Machine_DistinguishedName:
>> CN=COWTC71,OU=Chicago,OU=ThinClients,OU=MavenComputers,DC=mavensecurities,DC=com
>> - ViewClient_Machine_Domain: MAVEN
>> - ViewClient_Machine_FQDN: mavensecurities.com
>> - ViewClient_Machine_Name: COWTC71
>> - ViewClient_MAC_Address: 6C-3C-8C-5A-FE-95
>> - ViewClient_MDMDeviceID: D3A0F8848FFE644AA957A623EF628CD0
>> - ViewClient_Mouse.Identifier: 256
>> - ViewClient_Mouse.NumButtons: 5
>> - ViewClient_Protocol: BLAST
>> - ViewClient_Type: Windows
>> - windir: C:\Windows
>> --------------------------------------------------------
>>
>>
>>
>> Total spawn time to start the pgAdmin4 server: 0.908 Sec
>> 2025-04-28 13:16:38,841: WARNING werkzeug: Werkzeug appears to be used in
>> a production deployment. Consider switching to a production web server
>> instead.
>>
>>
>>
>> * Serving Flask app 'pgadmin'
>> * Debug mode: off
>> I can also be contacted at 630-567-0132 my time zone is CST.
>>
>> Kind Regard
>>
>

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