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https://issues.apache.org/jira/browse/DERBY-3168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12542913
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Dag H. Wanvik commented on DERBY-3168:
--------------------------------------

Looks good!

There is a tracing property called traceFileAppend; should that be included as 
well?
Answer to some of your questions:

- Looking at the code, it seems as if traceDirectory and traceFile are *not* 
mutually exclusive
 
  (quote from ClientBaseDataSource.java):
  :
            if (traceDirectory != null) {
                String fileName;
                if (traceFile == null) {
                    fileName = traceDirectory + File.separator + 
logWriterInUseSuffix + "_" + traceFileSuffixIndex;
                } else {
                    fileName = traceDirectory + File.separator + traceFile + 
logWriterInUseSuffix + 
                                         "_" + traceFileSuffixIndex;
                }
  :
  but I didn't try it.

- bit mask 65 is correct



> Reference Manual lacks topics on trace-related connection URL attributes
> ------------------------------------------------------------------------
>
>                 Key: DERBY-3168
>                 URL: https://issues.apache.org/jira/browse/DERBY-3168
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.3.1.4
>            Reporter: Kim Haase
>            Assignee: Kim Haase
>         Attachments: DERBY-3168.diff, DERBY-3168.zip
>
>
> The Admin Guide topic "Network client tracing" describes three connection URL 
> attributes that enable network client tracing:
> http://db.apache.org/derby/docs/dev/adminguide/cadminappsclienttracing.html
> The URL attributes are traceFile, traceDirectory, and traceLevel.
> These three attributes are missing from the Reference Manual section where 
> all the connection URL attributes are listed and described:
> http://db.apache.org/derby/docs/dev/ref/rrefattrib24612.html
> Like the securityMechanism and ssl attributes, these attributes appear to 
> apply only to the client/server mode of Derby, not to the embedded mode.
> I'll add topics to the Reference Manual for each of these attributes, unless 
> there is some reason not to.

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