Bug 50177 - systemd-journalctl -f -o cat fails with "Failed to get data: No such file or directory" if logged message haven't MESSAGE= part
Summary: systemd-journalctl -f -o cat fails with "Failed to get data: No such file or ...
Status: RESOLVED FIXED
Alias: None
Product: systemd
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium critical
Assignee: Lennart Poettering
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Reported: 2012-05-21 07:51 UTC by Maksim Melnikau
Modified: 2012-09-18 09:13 UTC (History)
0 users

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Description Maksim Melnikau 2012-05-21 07:51:13 UTC 
systemd-journalctl -o cat stumble on messages without MESSAGE=part; instead of skipping them or printing \n (like echo <nothing>)

Steps to reproduce:
1. # systemd-journalctl -f -n 1 -o cat
2. % cat bug.c  
#include <systemd/sd-journal.h>
int main() {
    return sd_journal_send("NO_MESSAGE=1", NULL);
}
3. % gcc -O0 -Wall -std=gnu99 -g3 -lsystemd-journal example.c -o example
4. % ./bug
5. # systemd-journalctl -f -n 1 -o cat 
Failed to get data: No such file or directory

==================

# systemd-journalctl --version
systemd 44
gentoo
+PAM +LIBWRAP -AUDIT -SELINUX -SYSVINIT -LIBCRYPTSETUP
Comment 1 Lennart Poettering 2012-09-18 09:13:15 UTC 
Fixed in git.

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