I am a new user to Cocoon, just trying to test drive it... One of the things
I would like to do is to connect to our database (db2 on os390 connecting
via DB2/Connect). Unfortunately, I get this entry in the sitemap.log:
DEBUG (2002-05-16) 10:51.03:468
[sitemap.transformer.sql](/cocoon/db/test.html)
HttpProcessor[8080][4]/SQLTransformer$Query: SQLTransformer$Query: could not
acquire a Connection -- waiting 5000 ms to try again.
My cocoon.xconf <datasources> element contains:
<datasources>
<jdbc name="TDB2">
<pool-controller min="1" max="10"/>
<dburl>jdbc:db2:tdb2</dburl>
<user>jftl206</user>
<password>********</password>
</jdbc>
<jdbc logger="core.datasources.personnel" name="personnel">
<pool-controller max="10" min="5"/>
<dburl>jdbc:hsqldb:hsql://localhost:9002</dburl>
<user>sa</user>
<password/>
</jdbc>
</datasources>
My web.xml init-param looks like:
<init-param>
<param-name>load-class</param-name>
<param-value>
COM.ibm.db2.jdbc.app.DB2Driver org.hsqldb.jdbcDriver
</param-value>
</init-param>
My sitemap pipeline looks like:
<map:pipeline>
<map:match pattern="db/*.html">
<map:generate src="dev/sql-page.xml"/>
<map:transform type="sql">
<map:parameter name="use-connection"
value="TDB2"/>
</map:transform>
<map:transform
src="stylesheets/simple-sql2html.xsl"/>
<map:serialize/>
</map:match>
</map:pipeline>
I wrote (well, someone gave it to me) the following Java program to prove
that I can connect to the database from Java from my machine...
import java.sql.*;
class Dynamic
{ static
{ try
{ Class.forName ("COM.ibm.db2.jdbc.app.DB2Driver").newInstance ();
}
catch (Exception e)
{ System.out.println ("\n Error loading DB2 Driver...\n");
System.out.println (e);
System.exit(1);
}
}
public static void main(String argv[])
{ try
{ System.out.println (" Java Dynamic Sample");
// Connect to Sample database
Connection con = null;
// URL is jdbc:db2:dbname
String url = "jdbc:db2:tdb2";
if (argv.length == 0)
{ // connect with default id/password
con = DriverManager.getConnection(url);
}
else if (argv.length == 2)
{ String userid = argv[0];
String passwd = argv[1];
// connect with user-provided username and password
con = DriverManager.getConnection(url, userid, passwd);
}
else
{ throw new Exception("\nUsage: java Dynamic [username
password]\n");
}
// Enable transactions
con.setAutoCommit(false);
// Perform dynamic SQL SELECT using JDBC
try
{ PreparedStatement pstmt1 = con.prepareStatement(
"SELECT creator, name FROM sysibm.systables " +
"WHERE name = ? " +
"ORDER BY 1");
// set cursor name for the positioned update statement
pstmt1.setCursorName("c1");
pstmt1.setString(1, "SYSGRPS");
ResultSet rs = pstmt1.executeQuery();
System.out.print("\n");
while( rs.next() )
{ String tableName = rs.getString("name");
System.out.println("Table = " + tableName);
};
rs.close();
pstmt1.close();
}
catch( Exception e )
{ throw e;
}
finally
{ // Rollback the transaction
System.out.println("\nRollback the transaction...");
con.rollback();
System.out.println("Rollback done.");
}
}
catch( Exception e )
{ System.out.println(e);
}
}
}
Note that I am new to Java as well as Cocoon. I think Cocoon is the coolest
framework I've ever seen (since I prefer doing all of my coding in
xml/xslt...).
Any help/pointers would be GREATLY APPRECIATED!!! Also, I have tested that
all of the samples work on my machine (except the JSP, which I think I saw
in the faq that I need to do something to get that going anyway)...
Thanks,
Kelly
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