The Network Adapter could not establish the connection错误

Question

请问启动eclipse包此错误
我已经重新启动计算机了 监听也是启动状态 连接的数据库也是测试通过状态 防火墙也关闭了 ip也正确 但还是报错 
何解？谢谢 

Answer 1

我用的是orcale数据库 java.lang.IllegalStateException: 查询RefInfoVO出错,java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at nc.ui.bd.ref.RefPubUtil.getRefinfoVosFromDB(RefPubUtil.java:839)
at nc.ui.bd.ref.RefPubUtil.getHM_DatasourceVSRefinfoVOs(RefPubUtil.java:796)
at nc.ui.bd.ref.RefPubUtil.getRefInfoVOs(RefPubUtil.java:720)
at nc.ui.bd.ref.RefPubUtil.getHM_RefNodeNameVSRefInfoVO(RefPubUtil.java:782)
at nc.ui.bd.ref.RefPubUtil.getRefinfoVO(RefPubUtil.java:757)
at nc.ui.bd.ref.RefPubUtil.getRefNodeName_mLang(RefPubUtil.java:738)
at nc.ui.bd.ref.RefModelHandlerForClient.getRefNodeName_mLang(RefModelHandlerForClient.java:480)
at nc.ui.bd.ref.AbstractRefModel.getRefTitle(AbstractRefModel.java:3394)
at nc.ui.bd.ref.busi.CorpDefaultRefModel.getRefTitle(CorpDefaultRefModel.java:81)
at nc.ui.bd.ref.AbstractRefDialog.<init>(AbstractRefDialog.java:118)
at nc.ui.bd.ref.UFRefTreeUINew.<init>(UFRefTreeUINew.java:42)
at nc.ui.bd.ref.UFRefManage.getRefUI(UFRefManage.java:185)
at nc.ui.bd.ref.UFRefManage.showModal(UFRefManage.java:439)
at nc.ui.pub.beans.UIRefPane.onButtonClicked(UIRefPane.java:1476)
at nc.ui.pub.beans.UIRefPaneTextField$1.run(UIRefPaneTextField.java:217)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
--------- 未捕捉到的异常 ---------
java.lang.NullPointerException
at nc.ui.bd.ref.UFRefManage.setRefUIInfo(UFRefManage.java:469)
at nc.ui.bd.ref.UFRefManage.showModal(UFRefManage.java:439)
at nc.ui.pub.beans.UIRefPane.onButtonClicked(UIRefPane.java:1476)
at nc.ui.pub.beans.UIRefPaneTextField$1.run(UIRefPaneTextField.java:217)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
[AWT-EventQueue-0] 2009/09/30 15:18:56 [anonymous] DEBUG  - enter method: nc.itf.uap.IUAPQueryBS.retrieveByClause(java.lang.Class,java.lang.String) 
[AWT-EventQueue-0] 2009/09/30 15:18:56 [anonymous] DEBUG  - Invoke nc.itf.uap.IUAPQueryBS.retrieveByClause write info to server spend time: 0 
[AWT-EventQueue-0] 2009/09/30 15:19:17 [anonymous] DEBUG  - Invoke nc.itf.uap.IUAPQueryBS.retrieveByClause read result from server spend time: 21016 
[AWT-EventQueue-0] 2009/09/30 15:19:17 [anonymous] DEBUG  - leave method: nc.itf.uap.IUAPQueryBS.retrieveByClause(java.lang.Class,java.lang.String), spend time: 21,016 
[AWT-EventQueue-0] 2009/09/30 15:19:17 [anonymous] ERROR  - nc.bs.dao.DAOException: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection 
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