Bug 191404 Connection is still successful after delete drivers[0703]
Description: Create a Sqlserver datasource and dataset, then delete the jtds driver. Click "Test Connection" is still successful, and the dataset still works. Build Version:2.2.0.v20070607-0630 Steps to reproduce: 1. Add a jtds driver, and create a Sqlserver connection and dataset. 2. Go to "Manage JDBC Drivers" dialog, and delete the driver. 3. Click "Test Connection", the connection is successful. 4. Click "Preview Results" in "Edit Data Set" dialog, it works. Expected Result: Delete driver will lose the connection.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/JDBCDriverManager.java
return;
		
		
		driverExtensions = new HashMap();
		IExtensionRegistry extReg = Platform.getExtensionRegistry();
		/* 
		 * getConfigurationElementsFor is not working for server Platform. 
		 * I have to work around this by walking the extension list
		IConfigurationElement[] configElems = 
			extReg.getConfigurationElementsFor( OdaJdbcDriver.Constants.DRIVER_INFO_EXTENSION );
		*/
		IExtensionPoint extPoint = 
			extReg.getExtensionPoint( OdaJdbcDriver.Constants.DRIVER_INFO_EXTENSION );
		
		if ( extPoint == null )
			return;
		
		IExtension[] exts = extPoint.getExtensions();
		if ( exts == null )
			return;
		
		for ( int e = 0; e < exts.length; e++)
		{
			IConfigurationElement[] configElems = exts[e].getConfigurationElements(); 
			if ( configElems == null )
				continue;
			
			for ( int i = 0; i < configElems.length; i++ )
			{