无法启动 pgAdmin4。错误：错误：spawn /usr/pgadmin4/venv/bin/python3 ENOENT

Question

在尝试启动 pgAdmin4 时，我收到以下错误：

Failed to launch pgAdmin4. Error:
Error: spawn /usr/pgadmin4/venv/bin/python3 ENOENT

这是运行时环境：

Python Path: "/usr/pgadmin4/venv/bin/python3"
Runtime Config File: "/home/julien/.config/pgadmin/runtime_config.json"
pgAdmin Config File: "/usr/pgadmin4/web/config.py"
Webapp Path: "/usr/pgadmin4/web/pgAdmin4.py"
pgAdmin Command: "/usr/pgadmin4/venv/bin/python3 -s /usr/pgadmin4/web/pgAdmin4.py"
Environment: 
  - GJS_DEBUG_TOPICS: JS ERROR;JS LOG
  - LC_TIME: fr_FR.UTF-8
  - USER: julien
  - XDG_SESSION_TYPE: wayland
  - SHLVL: 0
  - HOME: /home/julien
  - OLDPWD: /home/julien
  - DESKTOP_SESSION: ubuntu
  - GIO_LAUNCHED_DESKTOP_FILE: /usr/share/applications/pgadmin4.desktop
  - GTK_MODULES: gail:atk-bridge
  - GNOME_SHELL_SESSION_MODE: ubuntu
  - LC_MONETARY: fr_FR.UTF-8
  - MANAGERPID: 2723
  - DBUS_SESSION_BUS_ADDRESS: unix:path=/run/user/1000/bus
  - GIO_LAUNCHED_DESKTOP_FILE_PID: 409396
  - WAYLAND_DISPLAY: wayland-0
  - LOGNAME: julien
  - _: /usr/bin/gnome-session
  - rvm_bin_path: /usr/share/rvm/bin
  - JOURNAL_STREAM: 8:37688
  - XDG_SESSION_CLASS: user
  - USERNAME: julien
  - GNOME_DESKTOP_SESSION_ID: this-is-deprecated
  - PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin:/usr/share/rvm/bin
  - SESSION_MANAGER: local/sunchain:@/tmp/.ICE-unix/2935,unix/sunchain:/tmp/.ICE-unix/2935
  - INVOCATION_ID: b0a4bd7f387b4b94b2d1ad6290b4faa6
  - LC_ADDRESS: fr_FR.UTF-8
  - XDG_RUNTIME_DIR: /run/user/1000
  - XDG_MENU_PREFIX: gnome-
  - GNOME_SETUP_DISPLAY: :1
  - DISPLAY: :0
  - LANG: en_US.UTF-8
  - LC_TELEPHONE: fr_FR.UTF-8
  - XDG_CURRENT_DESKTOP: ubuntu:GNOME
  - XDG_SESSION_DESKTOP: ubuntu
  - XMODIFIERS: @im=ibus
  - XAUTHORITY: /run/user/1000/.mutter-Xwaylandauth.OGNI80
  - SSH_AGENT_LAUNCHER: gnome-keyring
  - SSH_AUTH_SOCK: /run/user/1000/keyring/ssh
  - LC_NAME: fr_FR.UTF-8
  - SHELL: /usr/bin/zsh
  - QT_ACCESSIBILITY: 1
  - GDMSESSION: ubuntu
  - rvm_prefix: /usr/share
  - LC_MEASUREMENT: fr_FR.UTF-8
  - LC_IDENTIFICATION: fr_FR.UTF-8
  - rvm_version: 1.29.12 (manual)
  - GJS_DEBUG_OUTPUT: stderr
  - QT_IM_MODULE: ibus
  - PWD: /home/julien
  - XDG_DATA_DIRS: /usr/local/share/:/usr/share/:/var/lib/snapd/desktop
  - LC_NUMERIC: fr_FR.UTF-8
  - LC_PAPER: fr_FR.UTF-8
  - rvm_path: /usr/share/rvm
  - GDK_BACKEND: x11
  - NO_AT_BRIDGE: 1
  - PGADMIN_INT_PORT: 34035
  - PGADMIN_INT_KEY: dbb4e565-1e23-474d-bd74-c3d8606022cc
  - PGADMIN_SERVER_MODE: OFF

我该如何解决这个问题？

Answer 1

从 Ubuntu 20.04 升级到 22.04 后，我遇到了同样的问题。Laurenz Albe 的答案是简单地重新安装 PGAdmin 4 就解决了我的问题。无需从 Python 3.10 降级到 Python 3.9。

Answer 2

我已经处理了将 pyhton3.10 切换到 python3.9 的错误并修复了错误。

只需跟踪步骤：

Install python3.9

Switch 3.10 to 3.9

您可以使用该链接来执行这些步骤。

https://www.how2shout.com/linux/install-python-3-9-or-3-8-on-ubuntu-22-04-lts-jammy-jellyfish/

或者你应该重新安装 pgAdmin4。