[Bug 1964881] Re: Logging/Log rotation does not work for catalina.out

[Evren Yurtesen]

> I still don't see a nice way out what will work without any delta at
all in ubuntu.

I am not sure who owns the logs have any effect in this being nice.
Actually, maybe you did not realize, but the logs that are written by
rsyslog and tomcat are same log lines in different formatting. One might
say, this is also ugly :)

But what is wrong with rsyslog writing logs as root:adm in Debian, and
syslog:adm in Ubuntu? This is exactly how it works for most other Debian
packages. For example check "jetty9". Nobody complains that 'jetty' does
not own those logs.

If tomcat9 rsyslog config would miss fileOwner setting (in Debian also).
This could work well for both Ubuntu and Debian.

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Title:
  Logging/Log rotation does not work for catalina.out

Status in tomcat9 package in Ubuntu:
  In Progress
Status in tomcat9 source package in Focal:
  Confirmed
Status in tomcat9 source package in Jammy:
  Confirmed

Bug description:
  In Ubuntu 20.04, with `tomcat9-9.0.31-1ubuntu0.1` (latest) package, `logrotated` is not able to write to `/var/log/tomcat/catalina.out`
  This could be fixed in a newer package but was not backported:
  https://bugs.launchpad.net/ubuntu/+source/tomcat9/+bug/1861881

  In Ubuntu 22.04, with `tomcat9-9.0.58-1` (latest)  package,
  `logrotated` is not able to rotate `/var/log/tomcat/catalina.out`

  Because the `catalina.out` is created with `syslog:adm` ownerships.
  `syslog` user does not have enough permissions to change this.

  This causes following error:

  rsyslogd: error during config processing: omfile: chown for file
  '/var/log/tomcat9/catalina.out' failed: Operation not permitted
  [v8.2112.0 try https://www.rsyslog.com/e/2207 ]

  At the same time, the  `/etc/logrotate.d/tomcat9` has `su tomcat adm`
  directive. Therefore the `logrotated` is not able to truncate the
  `/var/log/tomcat/catalina.out`

  This causes logrotate to copy the contents of `/var/log/tomcat/catalina.out` to as if it would be rotated. As `catalina.out` is never truncated, each rotated file ends up having the contents of `catalina.out` from the beginning of the tomcat installation. This causes the log sizes to keep increasing as no actual log rotation is being done.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu79
  Architecture: amd64
  CasperMD5CheckResult: pass
  DistroRelease: Ubuntu 22.04
  InstallationDate: Installed on 2022-02-27 (18 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220121)
  Package: tomcat9 9.0.58-1
  PackageArchitecture: all
  ProcVersionSignature: Ubuntu 5.15.0-18.18-generic 5.15.12
  RebootRequiredPkgs: Error: path contained symlinks.
  Tags:  jammy
  Uname: Linux 5.15.0-18-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  _MarkForUpload: True

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