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https://issues.apache.org/jira/browse/DERBY-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004876#comment-13004876
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Kim Haase commented on DERBY-5051:
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Thanks, Mamta.
We have a couple of simple examples of the derby log but none showing a
redirect. The problem is that I have to update them every release, so the more
examples we add, the more work this task requires. We show the new output that
is there by default now. If you have an example that shows the relevant output
with one of those property settings, please add it to this issue and maybe I
could add it to the reference manual topic for that property. If we used just a
snippet showing the user.dir and derby.system.home settings along with the
derby.stream.... property, it would not need to change with each release.
In the meantime I'll commit this patch.
> Update the docs to include the additional information available in derby.log.
> This information will be useful from product supportability stand point
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-5051
> URL: https://issues.apache.org/jira/browse/DERBY-5051
> Project: Derby
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 10.8.0.0
> Reporter: Mamta A. Satoor
> Assignee: Kim Haase
> Fix For: 10.8.0.0
>
> Attachments: DERBY-5051-2.diff, DERBY-5051-2.stat, DERBY-5051-2.zip,
> DERBY-5051.diff, DERBY-5051.stat, DERBY-5051.zip
>
>
> With DERBY-4853, we log additional information in derby.log to make it easier
> for the support group to work with customer problems.
> Following 2 additional properties will now always be put in derby.log (every
> time a database is booted)
> user.dir
> derby.system.home
> user.dir is the system property which gives the user working directory.
> If the user has not specified derby,system.home, then Derby will look for
> optional derby.properties file in user.dir . If user has provided
> derby.system.home, then the optional derby.properties will be looked in
> derby.system.home rather than user.dir
> If user has not provided derby.system.home, then a sample of the 2 properties
> on derby.log looks as follows on my machine
> user.dir=C:\p4clients\svnmain\client2\trunk\systest\out142
> derby.system.home=null
> If user has set derby.system.home to c:./temp, then a sample of the 2
> properties on derby.log looks as follows on my machine
> user.dir=C:\p4clients\svnmain\client2\trunk\systest\out142
> derby.system.home=c:/temp
> In addition to the above 2 properties, there can be following 3 optional
> properties in the log (following the 2 properties mentioned above)
> derby.stream.error.file
> derby.stream.error.method
> derby.stream.error.field
> The above 3 properties provide a way to alter where error messages get logged
> rather than tranditional derby.log file. In the absence of the above 3
> optional properties, the location of derby.log follows the same logic as
> derby.properties. But if the user has set any or all of the 3 optional
> properties, then derby.log will not be in same location as derby.properties.
> In the Derby code, derby.stream.error.file takes precedence over the other 2
> properties and derby.stream.error.method take precedence over the last
> property.
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