关于Jfinal使用PostgreSQL的一个很奇怪的问题?报错

数据库配置如下：

@Override
public void configPlugin(Plugins me) {
        // 添加数据库连接池
	DruidPlugin dPlugin = new DruidPlugin(appProperties.getProperty("jdbc.url"), appProperties.getProperty("jdbc.username"), appProperties.getProperty("jdbc.password"), appProperties.getProperty("jdbc.driver"));
		dPlugin.addFilter(new StatFilter());
		WallFilter wall = new WallFilter();
		wall.setDbType(JdbcConstants.POSTGRESQL);
		dPlugin.addFilter(wall);
		me.add(dPlugin);

		// 添加自动绑定model与表插件
		AutoTableBindPlugin autoTableBindPlugin = new AutoTableBindPlugin(dPlugin);
        autoTableBindPlugin.setShowSql(true);
	me.add(autoTableBindPlugin);
}

@TableBind(tableName = "users", pkName = "id")
public class User extends Model<User> {
    public static final User dao = new User();
}

请问是什么原因啊？以前用mysql没问题的，相同的设置用PostgreSQL就出现了这种问题!

@Jfinal