doc/help/ref-error_log.html

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   4         <TITLE>error_log</TITLE>
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   7
   8 <P>The <VAR>error_log</VAR> file lists messages from the
   9 scheduler - errors, warnings, etc. The <A
  10 HREF="ref-cupsd-conf.html#LogLevel"><CODE>LogLevel</CODE></A>
  11 directive controls which messages are logged:</P>
  12
  13 <P CLASS="command">
  14
  15 level date-time message<BR>
  16
  17 <BR>
  18
  19 I [20/May/1999:19:18:28 +0000] Job 1 queued on 'DeskJet' by 'mike'.<BR>
  20
  21 I [20/May/1999:19:21:02 +0000] Job 2 queued on 'DeskJet' by 'mike'.<BR>
  22
  23 I [20/May/1999:19:22:24 +0000] Job 2 was cancelled by 'mike'.<BR>
  24
  25 </P>
  26
  27 <P>The <I>level</I> field contains the type of message:</P>
  28
  29 <UL>
  30
  31         <LI><CODE>A</CODE> - Alert message (LogLevel alert)
  32         <LI><CODE>C</CODE> - Critical error message (LogLevel crit)
  33         <LI><CODE>D</CODE> - Debugging message (LogLevel debug)
  34         <LI><CODE>d</CODE> - Detailed debugging message (LogLevel debug2)
  35         <LI><CODE>E</CODE> - Normal error message (LogLevel error)
  36         <LI><CODE>I</CODE> - Informational message (LogLevel info)
  37         <LI><CODE>N</CODE> - Notice message (LogLevel notice)
  38         <LI><CODE>W</CODE> - Warning message (LogLevel warn)
  39         <LI><CODE>X</CODE> - Emergency error message (LogLevel emerg)
  40
  41 </UL>
  42
  43 <P>The <I>date-time</I> field contains the date and time of when
  44 the page started printing. The format of this field is identical
  45 to the <I>data-time</I> field in the <VAR>access_log</VAR> file.</P>
  46
  47 <P>The <I>message</I> fields contains a free-form textual
  48 message. Messages from job filters are prefixed with "<CODE>[Job
  49 NNN]</CODE>".</P>
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