Re: [Wala-wala] Fail to build call graph for JDBC driver code

[Yao Q. <qiy...@gm...>]

2008/9/9 Stephen Fink <sj...@us...>:
>
> Try adding the following code to your program; this forces WALA to process
> the java.sql initialization sequence.  You can substitute whatever driver
> Derby provides for JdbcOdbcDriver().
>
>         static {
>                 try {
>                         java.sql.DriverManager.registerDriver(new
> JdbcOdbcDriver());
>                 } catch (SQLException e) {
>                         e.printStackTrace();
>                 }
>         }


Oh, it works for me.  Thanks for your help, Stephen.

>
>
>
> ------------------------------------------------------------------------
> Stephen Fink
> IBM T.J. Watson Research Center
> sj...@us...
> (914)784-7776
>
>
>
> "Yao Qi" <qiy...@gm...>
> Sent by: wal...@li...
>
> 09/09/2008 07:24 AM
>
> Please respond to
> WALA discussion and Q&A <wal...@li...>
> To
> "WALA discussion and Q&A" <wal...@li...>
> cc
> Subject
> [Wala-wala] Fail to build call graph for JDBC driver code
>
>
>
>
> When we run WALA on derby, the call graph we got doesn't contains any
> derby classes.  The harness program(JavaDBDemo.java in attachment) is
> very simple, just load JDBC driver via Class.forName(), connect to
> data base via DriverManager.getConnection(), perform some operations
> and close the connection finally.
>
> Seems WALA works well for reflection, but don't know WALA supports
> such case.  Is it a bug in WALA or WALA doesn't support such case at
> all?  If WALA doesn't support it, is there any workaround for this
> problem?
>
> --
> Yao Qi
> GNU/Linux Developer
> [attachment "JavaDBDemo.java" deleted by Stephen Fink/Watson/IBM]
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-- 
Yao
GNU/Linux Developer