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我想連接到我的MSsql 2012數據庫,但我不斷收到以下錯誤。我試圖找過在互聯網上的教程和不停的問,但無法獲得任何答案,直到如今...Java:無法連接到數據庫
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\bosti>cd c:\cazare-full\cazare
c:\cazare-full\cazare>ant deploy
Buildfile: c:\cazare-full\cazare\build.xml
undeploy.tomcat:
delete.files:
drop.old.tables:
BUILD FAILED
c:\cazare-full\cazare\build.xml:46: com.jnetdirect.jsql.u: Failed Logon:com.jnet
direct.jsql.u: Invalid port number:/ url:jdbc:JSQLConnect://sqlserver://127.0.0.1:1433;instanceName=MSSQLSERVER;
at com.jnetdirect.jsql.JSQLDriver.connect(Unknown Source)
at org.apache.tools.ant.taskdefs.JDBCTask.getConnection(JDBCTask.java:370)
at org.apache.tools.ant.taskdefs.SQLExec.getConnection(SQLExec.java:942)
at org.apache.tools.ant.taskdefs.SQLExec.execute(SQLExec.java:614)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:809)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Total time: 0 seconds
c:\cazare-full\cazare>
有沒有其他stacktrace看?你有更多的描述發生了什麼?如果沒有,那麼我建議你至少使用'try-catch'段並在'catch'中使用'e.printStackTrace()'來查看異常的更多細節。根據當前的信息,您的環境中可能會出現許多問題。 –
你會向我們展示jdbc代碼嗎?首先要考慮的是你的驅動程序有錯誤的端口設置。 –
你能檢查你嘗試連接的端口號嗎?另外,您是否可以確保db實際上正在偵聽端口1433.之後,檢查db服務器是否已啓動 – Andrei