本来能连接上的,但我后来复制了点数据库到我电脑的sqlserver,又在本地设计器加了些模板,最后连接不上了,我把数据库和模板删了,现在数据集还是报错,看不懂,求大神帮忙看看
严重:null
at java.util.concurrent.FutureTask.awaitDone(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at com.fr.dav.LocalEnv.testConnection(Unknown Source)
at com.fr.design.data.datapane.connect.DatabaseConnectionPane$1$1.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)