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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1275) Provide a way to enable client tracing without changing the application
Date Wed, 07 Feb 2007 17:11:05 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12471030
] 

Mamta A. Satoor commented on DERBY-1275:
----------------------------------------

Dan, to answer your question about some existing test to test the tracing through JDBC attribute,
we do have one, jdbcapi/checkDriver but this test is not a junit test and does not run under
the security manager and hence has not run into permission issues.  

I will work on the policy changes that might be required for derbyclient.jar because currently
it can only read properties starting with  derby.*
 permission java.util.PropertyPermission "derby.*", "read";


> Provide a way to enable client tracing without changing the application
> -----------------------------------------------------------------------
>
>                 Key: DERBY-1275
>                 URL: https://issues.apache.org/jira/browse/DERBY-1275
>             Project: Derby
>          Issue Type: Improvement
>          Components: Network Client
>    Affects Versions: 10.1.3.1, 10.2.1.6
>            Reporter: Kathey Marsden
>         Assigned To: Mamta A. Satoor
>            Priority: Minor
>             Fix For: 10.3.0.0
>
>         Attachments: DERBY1275EnableClientTracingDiffV1.txt, DERBY1275EnableClientTracingDiffV2.txt,
DERBY1275EnableClientTracingDiffV3.txt, DERBY1275EnableClientTracingDiffV4.txt, DERBY1275EnableClientTracingDiffV5.txt,
DERBY1275EnableClientTracingStatV1.txt, DERBY1275EnableClientTracingStatV2.txt, DERBY1275EnableClientTracingStatV3.txt,
DERBY1275EnableClientTracingStatV4.txt, DERBY1275EnableClientTracingStatV5.txt
>
>
> Currently  the client tracing can be enabled by  setting attributes on the client url,
setXXX methods on the DataSource or calling DriverManager.setLogWriter(), but it often cannot
be enabled in a deployed client application  because all of these API's require modification
of the application or its configuration files.
> It would be good to have a global way to turn on client tracing.  A system property pointing
to a property file is  one possibility but probably not ideal because of the impact in class
loader contexts.    I am not sure what the other possiblities are,

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