What is the problem?
Unable to access web interface. Get error message:
Looks like something went wrong during startup, the server is gone again. You should check octoprint.log .
What did you already try to solve it?
Run in safe mode
Logs (octoprint.log, serial.log or output on terminal tab at a minimum, browser error console if UI issue ... no logs, no support!)
2020-02-15 22:49:08,765 - octoprint.startup - INFO - Starting OctoPrint 1.3.12
2020-02-15 22:49:08,784 - octoprint.startup - INFO - Starting in SAFE MODE. Third party plugins will be disabled!
2020-02-15 22:49:08,813 - octoprint.startup - INFO - Reason for safe mode: setting in config.yaml
2020-02-15 22:49:08,833 - octoprint.startup - INFO - ******************************************************************************
2020-02-15 22:49:22,491 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2020-02-15 22:49:39,376 - octoprint.plugin.core - INFO - Found 15 plugin(s) providing 15 mixin implementations, 23 hook handlers
2020-02-15 22:49:41,276 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2020-02-15 22:49:41,581 - octoprint.server - INFO - Intermediary server started
2020-02-15 22:49:41,601 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2020-02-15 22:49:43,781 - octoprint.plugin.core - INFO - Found 15 plugin(s) providing 15 mixin implementations, 23 hook handlers
2020-02-15 22:49:44,075 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2020-02-15 22:49:44,088 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2020-02-15 22:49:44,411 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2020-02-15 22:49:58,593 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2020-02-15 22:50:11,096 - octoprint.util.pip - INFO - Version of pip is 19.3.1
2020-02-15 22:50:11,110 - octoprint.util.pip - INFO - pip installs to home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2020-02-15 22:50:11,118 - octoprint.util.pip - INFO - ==> pip ok -> yes
2020-02-15 22:50:11,149 - octoprint.plugin.core - INFO - Initialized 15 plugin implementation(s)
2020-02-15 22:50:11,301 - octoprint.plugin.core - INFO - 15 plugin(s) registered with the system:
| Action Command Prompt Support (bundled) = home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/action_command_prompt
| Announcement Plugin (bundled) = home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/announcements
| Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/tracking
| Application Keys Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/appkeys
| Backup & Restore (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup
| Core Wizard (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/corewizard
| Discovery (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/discovery
| Error Tracking (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/errortracking
| Force Login (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/forcelogin
| Logging (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/logging
| Pi Support Plugin (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pi_support
| Plugin Manager (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pluginmanager
| Printer Safety Check (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/printer_safety_check
| Software Update (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate
| Virtual Printer (bundled) = /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/virtual_printer
2020-02-15 22:50:11,597 - octoprint.environment - INFO - Detected environment is Python 2.7.16 under Linux (linux2). Details:
| hardware:
| cores: 1
| freq: 700.0
| ram: 387194880
| os:
| id: linux
| platform: linux2
| plugins:
| pi_support:
| model: Raspberry Pi Model B Plus Rev 1.2
| octopi_version: 0.17.0
| python:
| pip: 19.3.1
| version: 2.7.16
| virtualenv: /home/pi/oprint
2020-02-15 22:50:11,734 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2020-02-15 22:50:12,198 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2020-02-15 22:50:21,478 - octoprint.server - INFO - Shutting down intermediary server...
2020-02-15 22:50:21,669 - octoprint.server - INFO - Intermediary server shut down
2020-02-15 22:50:21,686 - octoprint.events - INFO - Processing startup event, this is our first event
2020-02-15 22:50:21,706 - octoprint.events - INFO - Adding 0 events to queue that were held back before startup event
2020-02-15 22:50:21,757 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2020-02-15 22:50:21,832 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2020-02-15 22:50:21,843 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2020-02-15 22:50:22,556 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2020-02-15 22:50:22,763 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _ht tp._tcp
2020-02-15 22:50:22,951 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi' for _octoprint._t cp
2020-02-15 22:50:23,048 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2020-02-15 22:50:23,256 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2020-02-15 22:50:23,267 - octoprint.server - INFO - Server started successfully in safe mode as requested from config, removing flag
2020-02-15 22:50:24,208 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2020-02-15 22:50:39,749 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2020-02-15 22:50:46,974 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python2 -m pip" as command to invoke pip
2020-02-15 22:50:46,986 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python2.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2020-02-15 22:50:46,996 - octoprint.util.pip - INFO - ==> pip ok -> yes
2020-02-15 22:50:48,010 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://10.0.0.121/'}
2020-02-15 22:53:30,615 - octoprint.server.preemptive_cache - INFO - ... done in 162.61s
2020-02-15 22:53:30,628 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'query_string': 'l10n=en', 'path': '/', 'base_url': 'http://octopi.local/'}
Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible)
Raspberry Pi Model B Plus Rev 1.2
From img: 2019-09-26-octopi-buster-lite-0.17.0.img
octopi_version: 0.17.0