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From "Rick Hillegas (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5485) Simplify PropertySetter so that it is less brittle and easier to maintain.
Date Mon, 31 Oct 2011 12:45:32 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-5485:
---------------------------------

    Attachment: derby-5485-01-ag-changeJDBClevel.diff

Thanks for test-driving the patch, Knut. Attaching derby-5485-01-ag-changeJDBClevel.diff,
which changes the JDBC level for Java 6 from 4.1 to 4.0 in BUILDING.html. I go back and forth
on this one: the Java 6 JDBC implementation for Derby does contain the extra 4.1 methods but,
of course, they can only be accessed through reflection; you are probably right that we will
cause less confusion by claiming the lower rev level. Thanks.
                
> Simplify PropertySetter so that it is less brittle and easier to maintain.
> --------------------------------------------------------------------------
>
>                 Key: DERBY-5485
>                 URL: https://issues.apache.org/jira/browse/DERBY-5485
>             Project: Derby
>          Issue Type: Improvement
>          Components: Build tools
>    Affects Versions: 10.9.0.0
>            Reporter: Rick Hillegas
>         Attachments: derby-5485-01-af-simplifyPlusJavadoc.diff, derby-5485-01-ag-changeJDBClevel.diff
>
>
> The PropertySetter task sets up classpath variables so that the build can take advantage
of JVM-specific class libraries. Using those libraries makes it possible for the compiler
to flag code which is supposed to run on less capable platforms but which calls methods from
later JVMs. This is a very tricky problem and we seem to have reached consensus that it requires
too much effort to make PropertySetter run correctly in all of the build environments which
Derby developers use. I will attach a proposal for how to simplify PropertySetter so that
it requires less effort to maintain.

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