定义数据连接时无法连接到postgresql

严重:com.fr.third.org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'org.postgresql.Driver'
        at java.util.concurrent.FutureTask.report(Unknown Source)
        at java.util.concurrent.FutureTask.get(Unknown Source)
        at com.fr.dav.LocalEnv.testConnection(Unknown Source)
        at com.fr.design.gui.ilist.TableViewList$3.doInBackground(Unknown Source)
        at com.fr.design.gui.ilist.TableViewList$3.doInBackground(Unknown Source)
        at javax.swing.SwingWorker$1.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at javax.swing.SwingWorker.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)

搞定了,  把 驱动包 postgresql-9.4.1211.jre7.jar  放到  D:\Program Files\FineReport_8.0\WebReport\WEB-INF\lib  目录下就可以了.

这个驱动包在那下的呀？