Update the docs to include the additional information available in derby.log.
This information will be useful from product supportability stand point
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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
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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