David Carlin created TS-2375:
--------------------------------

             Summary: Error when using ascii logging format: There are more 
field markers than fields
                 Key: TS-2375
                 URL: https://issues.apache.org/jira/browse/TS-2375
             Project: Traffic Server
          Issue Type: Bug
          Components: Logging
            Reporter: David Carlin


I noticed the following on an ats 4.0.2 host in diags.log:

[Nov 20 15:08:29.627] Server {0x2b732fe9c700} NOTE: There are more field 
markers than fields; cannot process log entry

It only happens about every fifth time you start ATS.  That message will fill 
diags.log and nothing is written to squid.log

I then upgraded to 4.1.1 as a test, and the same thing happened on there was 
additional error information:

[Nov 20 15:40:53.656] Server {0x2b568aac8700} NOTE: There are more field 
markers than fields; cannot process log entry
[Nov 20 15:40:53.656] Server {0x2b568aac8700} ERROR: Failed to convert 
LogBuffer to ascii, have dropped (232) bytes.

The convert to ascii message tipped me off that this could be the source of the 
problem.  Up until now we've been using the binary log format, so perhaps why I 
didn't run into this in the past.  I then changed the log format back to 
binary, and I was unable to reproduce the issue - so it seems related to ascii 
logging.

Here is our logs_xml.config:

{noformat}
<LogFormat>
  <Name = "ats_generic_config"/>
  <Format = "%<cqtq> %<ttms> %<chi> %<crc> %<pssc> %<psql> %<cqhm> %<cquc> 
%<caun> %<phr>/%<pqsn> %<psct> %<cquuc> f1 f2 f3 f4"/>
</LogFormat>

<LogObject>
    <Format = "ats_generic_config"/>
    <Filename = "squid"/>
    <Mode = "ascii"/>
</LogObject>
{noformat}



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