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From "Bryan Pendleton (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-415) sysinfo with -cp client option should not print error saying DB2 jar file and driver class are missing
Date Sat, 15 Apr 2006 16:54:01 GMT
     [ http://issues.apache.org/jira/browse/DERBY-415?page=all ]

Bryan Pendleton updated DERBY-415:
----------------------------------

    Attachment: derby-415.diff

Attached is derby-415.diff, a patch proposal.

This change modifies the behavior of -cp as follows:
 - if you run "java sysinfo -cp", then if you have either the jcc driver or the derby
   network client in your classpath, that is treated as success. If you have
   neither driver, then a failure is reporting listing both libraries as failed.
 - if you run "java sysinfo -cp client", then we assume that you are specifically
   interested in the client JDBC drivers, so we report a failure for either missing
   library. The only way to have success with "-cp client" is to have both.

This is not exactly what David asked for. In his case, he wanted "-cp client"
to treat the case where you have the Derby Network Client, but *not* the JCC
driver, as a success.

This patch behaves that way with plain old "-cp", but not with "-cp client". My feeling was
that if you specifically said "-cp client", you wanted to get all the details about the client
JDBC library portion of your classpath, so such a person might well care about whether or
not the JCC library was found. But maybe I'm just being over-cautious here.

Please have a look at this patch and tell me what you think.


> sysinfo with -cp client option should not print error saying DB2 jar file and driver
class are missing
> ------------------------------------------------------------------------------------------------------
>
>          Key: DERBY-415
>          URL: http://issues.apache.org/jira/browse/DERBY-415
>      Project: Derby
>         Type: Bug

>   Components: Services
>     Versions: 10.1.1.0
>     Reporter: David Van Couvering
>     Assignee: Bryan Pendleton
>     Priority: Minor
>  Attachments: derby-415.diff
>
> If you run
>   java org.apache.derby.tools.sysinfo -cp client SimpleApp.class
> you get
> FOUND IN CLASS PATH:
>     Derby Client libraries (derbyclient.jar)
>     user-specified class (SimpleApp)
> NOT FOUND IN CLASS PATH:
>     Derby Client libraries (db2jcc.jar)
>     (com.ibm.db2.jcc.DB2Driver not found.)
> The "NOT FOUND IN CLASSPATH" output is confusing and invalid because we're testing the
network client, not the DB2 JCC client.

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