Hey, why I can't catch a DB exception? here's my code:

var Barrel = {} || Barrel;

Barrel.DB = function () {
    this.db = null;
    this.dbname = null;
};

Barrel.DB.prototype.open = function () {
    if ( null === this.dbname ) {
        throw "dbname can not be empty";
    }

    try {
        if ( null === this.db ) {
            this.db = Titanium.Database.open( this.dbname );
        }
    } catch ( e ) {
        throw e;
    }
}

Barrel.DB.prototype.insert = function ( table, data ) {
    // some code ...
    try {
        this.open();
        this.db.execute( query, values );

        var id = this.db.lastInsertRowId;
        Ti.API.debug( "id: " + id );
    } catch ( e ) {
        Ti.API.debug( e ); // never printed
        Ti.API.debug( "n: " + e.name ); // never printed
        Ti.API.debug( "m: " + e.message ); // never printed
        throw e; // never fired
    }

    return id;
}

function Product() {
    this.dbname = "barrel.db";
}

Product.prototype = new Barrel.DB();
Product.prototype.constructor = Product;

var product = new Product();
product.insert( "notices", { col1: "woot", col2: "woot2", col3: null, col4: "null" } );

The exception on the TRACE log is something like this:

[TRACE] I/Database( 413): sqlite returned: error code = 1, msg = table notification has no column named productId
[TRACE] E/TiDB ( 413): (kroll$2) [28,312889] Error executing sql: table notification has no column named productId: , while compiling: INSERT INTO notification (productId, name, price, image, users, url) VALUES (?, ?, ?, ?, ?, ?)
[TRACE] E/TiDB ( 413): android.database.sqlite.SQLiteException: table notification has no column named productId: , while compiling: INSERT INTO notification (productId, name, price, image, users, url) VALUES (?, ?, ?, ?, ?, ?)

So, why I can't catch the exception? the exception is thrown, isn't just catch it?

Thanks.