Hello Mark, Very much appreciate your help.
>What is the error message and traceback from Mailman's logs/mailman.log? The /var/log/mailman/error shows following logs when the issue happens. ~~~~~ Sep 21 15:30:48 2021 admin(10045): @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ admin(10045): [----- Mailman Version: 2.1.29 -----] admin(10045): [----- Traceback ------] admin(10045): Traceback (most recent call last): admin(10045): File "/usr/lib/mailman/scripts/driver", line 117, in run_main admin(10045): main() admin(10045): File "/usr/lib/mailman/Mailman/Cgi/rmlist.py", line 104, in main admin(10045): process_request(doc, cgidata, mlist) admin(10045): File "/usr/lib/mailman/Mailman/Cgi/rmlist.py", line 139, in process_request admin(10045): sys.modules[modname].remove(mlist, cgi=1) admin(10045): File "/usr/lib/mailman/Mailman/MTA/Postfix.py", line 407, in remove admin(10045): _do_remove(mlist, ALIASFILE, False) admin(10045): File "/usr/lib/mailman/Mailman/MTA/Postfix.py", line 398, in _do_remove admin(10045): outfp.close() admin(10045): AttributeError: 'NoneType' object has no attribute 'close' admin(10045): [----- Python Information -----] admin(10045): sys.version = 2.7.17 (default, Oct 30 2019, 17:37:16) [GCC 8.3.1 20190507 (Red Hat 8.3.1-4)] admin(10045): sys.executable = /usr/bin/python2 admin(10045): sys.prefix = /usr admin(10045): sys.exec_prefix = /usr admin(10045): sys.path = ['/usr/lib/mailman/pythonlib', '/usr/lib/mailman', '/usr/lib/mailman/scripts', '/usr/lib/mailman', '/usr/lib/python27.zip', '/usr/lib64/python2.7', '/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/lib-tk', '/usr/lib64/python2.7/lib-old', '/usr/lib64/python2.7/lib-dynload', '/usr/lib/python2.7/site-packages', '/usr/lib/python2.7/dist-packages'] admin(10045): sys.platform = linux2 admin(10045): [----- Environment Variables -----] admin(10045): CONTENT_LENGTH: 83 admin(10045): CONTENT_TYPE: application/x-www-form-urlencoded admin(10045): HTTP_COOKIE: test_list+admin=280200000069da7b4961732800000038653335636265613932326437623334363535326365653665383337356539376235386165343066; harulist+admin=280200000069f57b4961732800000036363836303166613131383164653264313962386135646265363139353366663936646635326266 admin(10045): SERVER_NAME: test.example.com admin(10045): SERVER_PROTOCOL: HTTP/1.1 admin(10045): PYTHONPATH: /usr/lib/mailman admin(10045): REMOTE_ADDR: 192.168.122.xxx admin(10045): REQUEST_SCHEME: http admin(10045): SCRIPT_NAME: /mailman/rmlist admin(10045): REQUEST_METHOD: POST admin(10045): HTTP_HOST: test.example.com admin(10045): PATH_INFO: /testlist admin(10045): SERVER_PORT: 80 admin(10045): REMOTE_PORT: 57464 admin(10045): QUERY_STRING: admin(10045): REQUEST_URI: /mailman/rmlist/testlist admin(10045): DOCUMENT_ROOT: /var/www/html ~~~~~ This issue happens to not only a specific mailing list, but also happens to any other ones, too. >You can delete a list from the command line with Mailman's bin/rmlist command. Thanks, will keep this in mind as an alternative. Best regards, Masaharu On Tue, Sep 21, 2021 at 1:32 PM Mark Sapiro <m...@msapiro.net> wrote: > On 9/20/21 9:11 PM, Masaharu Kawada wrote: > > Dear Mailman-Users, > > > > ---(Issue)--- > > A mailing list can not deleted on its Administrative interface of browser > > which ends up showing the following error message. > > > > ---(Steps to reproduce)--- > > Press "Delete this mailing list(requires confirmation)" ---> Press > > "Delete this list" ---> The error message page pops up on browser. > > > > ---(Error message page)--- > > Bug in Mailman version 2.1.29 > > > > We're sorry, we hit a bug! > > > > Please inform the webmaster for this site of this problem. Printing of > > traceback and other systemd information has been explicitly inhibited, > but > > the webmaster can find this information in the Mailman error logs or the > > web server logs. > > > What is the error message and traceback from Mailman's logs/mailman.log? > > > > Just in case, I checked if the parameter below in /etc/mailman/mm_cfg.py > is > > set to "Yes". > > > > # grep OWNERS_CAN_DELETE_THEIR_OWN_LISTS /etc/mailman/mm_cfg.py > > OWNERS_CAN_DELETE_THEIR_OWN_LISTS = Yes > > > And if it weren't Yes, the "Delete this mailing list(requires > confirmation)" ling would not be there. > > > > Does anyone in the list know what is going on? > > > Not without the error and traceback from the log. > > > And, please let me know if > > you do know how to delete a mailing list properly with no error. > > > You can delete a list from the command line with Mailman's bin/rmlist > command. > > > -- > Mark Sapiro <m...@msapiro.net> The highway is for gamblers, > San Francisco Bay Area, California better use your sense - B. Dylan > ------------------------------------------------------ > Mailman-Users mailing list -- mailman-users@python.org > To unsubscribe send an email to mailman-users-le...@python.org > https://mail.python.org/mailman3/lists/mailman-users.python.org/ > Mailman FAQ: http://wiki.list.org/x/AgA3 > Security Policy: http://wiki.list.org/x/QIA9 > Searchable Archives: > https://www.mail-archive.com/mailman-users@python.org/ > https://mail.python.org/archives/list/mailman-users@python.org/ > > -- Masaharu Kawada Senior Technical Support Engineer Red Hat K K Ebisu Neonato 3F, 5F, 8F 1-18 Ebisu 4-chome, Shibuya-ku Tokyo 150-0013, Japan Direct: +81-3-5798-8347 ------------------------------------------------------ Mailman-Users mailing list -- mailman-users@python.org To unsubscribe send an email to mailman-users-le...@python.org https://mail.python.org/mailman3/lists/mailman-users.python.org/ Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: https://www.mail-archive.com/mailman-users@python.org/ https://mail.python.org/archives/list/mailman-users@python.org/