snippet from OMERO server check_mk logwatch.cfg

logwatch.cfg

# Replacing this with a regex to catch all the current logfiles: (note: may want to split _brokenrequest.log as the format is very different)
/opt/omero/omero/OMERO-CURRENT/var/log/*.* regex=.*(\.log|\.err)$
 # ignore up to 10-70% of servants used
 I .*[1234567]0 of servants.*
 # Ignore OMEROweb.log 404s
 I Not Found
 I .*Already locked.*
 I .*Reverse for '{}' not found.*
 # Ignore Django _brokenrequest 404s 
 I 404
 # though the 'I HTTP 404' doesn't seem to work for this.
 W django\.request
 # Append django trace format to the first line of a django.request for the _brokenrequest.log
 # Append matcher
 A ^[\sMCPGp']
 I handler404
 # Format issue
 I Unknown target class for LSID
 I Servant already removed
 I Reaping all remaining servants
 # Ignore long-running up to 9000ms
 I invocation took \d{1,4}
 I Django 1.6.11 does not support AppConfig
 I SessionTimeoutException on close
 I robots\.txt
 # Bio-Formats can set OMERO experimenter names from image metadata. This is common for many file formats.
 I Unsupported in OMERO
 # Normal after a format reader change
 I deleting invalid memo
 # the below follows an invalied memo file
 I ThumbnailBean.errorIfInvalidState
 # For the OMEROweb.log, forgotten_password with no matching user account is currently an ERROR:
 I forgotten_password
 # Note: when the 'I Not Found' and 'I 404' are above the 'W django\.request' 'A ...' lines, it does seem
 # to not pick up the whole Django stacktrace: but sadly the other regexes will still match individual lines
 # i.e. - it ignores the whole-string (appended, as one-line), but .. still treats the individual lines
 # as individuals, by the look of it. So still need to overide the individual lines which match e.g. \berr
 I wsgi\.errors
 # cf  #13275 https://trac.openmicroscopy.org/ome/ticket/13275
 I ome\.services\.sessions\.SessionContextImpl
 # Some OMERO 'Info:' log level entries have the word 'Error', so completely ignore these:
 I .*INFO.*
 # A reader issue?
 I ^.*Unknown\s*target\s*class.*$
 # format/reader issue
 I .*Could not parse.*
 # Another OMERO 'bug' / idiosyncrasy
 I Forced to reload permissions
 # And a reader issue:
 I ^.*will be stored as "Other".*$
 # Not sure why, but loads of these
 I Password provider returned null
 I Logins left
 I failed logins
 # issue with source file 
 I .*positive_float_check.*
 # crit at 100% servants
 C .*100 of servants.*
 C .*java\.lang\.OutOfMemoryError.*
 # Match SQL, unless experimenter_omename_key appears in the line, nor Add callback
 C (SQL)(?!.*experimenter_omename_key.*)(?!.*Add callback.*)
 # Regex for case insensitive err or error
 C (?i).*\berr(or)?.*
 W (?i).*warn(ing)?.*