I seem to remember getting this exception when I hadn't installed my JDBC driver in the right place. Since you don't actually provide the container you are using, nor what database you are trying to use, it's hard to tell you how to fix it. However, in general 1) Make sure you have the right JDBC driver for your database 2) Make sure you have placed the JDBC driver somewhere that your servlet container can find it -Adrian _____ From: Duke Tantiprasut [mailto:[email protected]] Sent: Friday, June 02, 2006 4:51 PM To: [email protected] Subject: [xwiki-users] startup exception I'm getting the following exception. Any suggestion what I should be looking at: 2006-06-02 15:43:23 StandardWrapperValve[action]: Servlet.service() for servlet action threw exception java.lang.NoSuchMethodError : org.apache.commons.dbcp.BasicDataSourceFactory.crea teDataSource(Ljava/util/Properties;)Ljavax/sql/DataSource; at com.xpn.xwiki.store.DBCPConnectionProvider.configure(DBCPConnectionPr ovider.java:174) at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvi der(ConnectionProviderFactory.java:80) at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFa ctory.java:349) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java: 58) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1509 ) at org.hibernate.cfg.Configuration.buildSessionFactory (Configuration.jav ... Thanks Duke