On Tue, Feb 13, 2018, at 5:40 AM, Peter Münster wrote:
Hi,
When starting mailman in a terminal, then it works:
--8<---------------cut here---------------start------------->8--- $ mailman start Starting Mailman's master runner $ --8<---------------cut here---------------end--------------->8---
But from "cron", it seems to hang. Output of pstree:
--8<---------------cut here---------------start------------->8--- |-cron(3022)---cron(21962)-+-mailman(21986) | `-sendmail(22043)---postdrop(22044) --8<---------------cut here---------------end--------------->8---
So it seems, that mailman does not go into the background, and the email with the output is never sent...
How could I solve this issue please?
I looked at this Stackoverflow Question1 about why forked processes don't work properly with cron. It essentially says that because cron doesn't reap child processes, the Mailman daemon is stuck.
You can directly invoke the Mailman's master runner, which is what Mailman does, by running master start from cron. This will not fork into background, so it should work fine.
TIA for any hints,
Peter
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