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Net::ReadTimeout error on some messages when used with net/smtp #31
Description
At first it looks like it is related to the pull request #30
But applying the proposed fixed didn't solve it for me case.
2024-07-23 14:09:23 - Net::ReadTimeout - Net::ReadTimeout with #<TCPSocket:(closed)> (Net::ReadTimeout):
/root/citi-tools/vendors/ruby/3.2/gems/net-protocol-0.2.2/lib/net/protocol.rb:231:in `rbuf_fill'
/root/citi-tools/vendors/ruby/3.2/gems/net-protocol-0.2.2/lib/net/protocol.rb:201:in `readuntil'
/root/citi-tools/vendors/ruby/3.2/gems/net-protocol-0.2.2/lib/net/protocol.rb:211:in `readline'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:1017:in `recv_response'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:979:in `block in data'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:1027:in `critical'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:965:in `data'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:799:in `block in send_message'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:926:in `rcptto_list'
/root/citi-tools/vendors/ruby/3.2/gems/net-smtp-0.5.0/lib/net/smtp.rb:799:in `send_message'
/root/citi-tools/vendors/ruby/3.2/gems/mail-2.8.1/lib/mail/network/delivery_methods/smtp_connection.rb:53:in `deli
ver!'
Activity
astapinski commentedon Jul 24, 2024
I was just checking on my PRs and you're right that #30 won't help,
net-smtpcallsreadlinein this gem which is basicallyreaduntil("\n").chopwhich is using a single byte line terminator. My PR is for an issue with multiple byte terminators like those used innet-popso something else must be going on for this issue. Sorry but I'm not a maintainer, I just wanted to state why PR #30 isn't helping here.hsbt commentedon Sep 17, 2026
The backtrace alone does not say what the server sent or what
read_timeoutwas in effect, so there is nothing here I can reproduce. Thereaduntilfix in 0.3.0 only covers terminators split across reads, which cannot happen for the single-byte terminatorreadlineuses. If it still reproduces on the current stable release in your environment, please let me know.