此回复为自动发出,仅用于显示而已,并无任何其他特殊作用
楼主【Calvin_Leng】截止到2008-07-10 23:09:48的历史汇总数据(不包括此帖):
发帖的总数量:0 发帖的总分数:0 每贴平均分数:0
回帖的总数量:2 得分贴总数量:0 回帖的得分率:0%
结贴的总数量:0 结贴的总分数:0
无满意结贴数:0 无满意结贴分:0
未结的帖子数:0 未结的总分数:0
结贴的百分比:---------------------结分的百分比:---------------------
无满意结贴率:---------------------无满意结分率:---------------------
如何结贴请参考这里:http://topic.csdn.net/u/20080501/09/ef7ba1b3-6466-49f6-9d92-36fe6d471dd1.html
楼主【Calvin_Leng】截止到2008-07-10 23:09:48的历史汇总数据(不包括此帖):
发帖的总数量:0 发帖的总分数:0 每贴平均分数:0
回帖的总数量:2 得分贴总数量:0 回帖的得分率:0%
结贴的总数量:0 结贴的总分数:0
无满意结贴数:0 无满意结贴分:0
未结的帖子数:0 未结的总分数:0
结贴的百分比:---------------------结分的百分比:---------------------
无满意结贴率:---------------------无满意结分率:---------------------
如何结贴请参考这里:http://topic.csdn.net/u/20080501/09/ef7ba1b3-6466-49f6-9d92-36fe6d471dd1.html
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111) 这个说明你还是用oracle的驱动去连数据库的,你的代码应该没改干净,还有别忘了把mySql的驱动加进来。
恩那 已经加进来 但还是不好使
java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:413)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:164)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at demo.db.DAO.connect(DAO.java:24)
at demo.db.DAO.checkUser(DAO.java:37)
at demo.login.LoginAction.checkUser(LoginAction.java:37)
at demo.login.LoginAction.execute(LoginAction.java:25)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)
2.对比我的连接
Class.forName(“org.gjt.mm.mysql.Driver“).newInstance();
String url ="jdbc:mysql://localhost/myDB?user=soft&password=soft1234"
//myDB为数据库名
Connection conn= DriverManager.getConnection(url);
Class.forName("com.mysql.jdbc.Driver");
String url ="jdbc:mysql://localhost:3306/myDB?user=soft&password=soft1234"
//myDB为数据库名
Connection conn= DriverManager.getConnection(url);
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386)
at oracle.jdbc.driver.PhysicalConnection. <init>(PhysicalConnection.java:413)
at oracle.jdbc.driver.T4CConnection. <init>(T4CConnection.java:164)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752)
我看你没加上 还是oracle的驱动呢
sql Exception
没能链接上数据库
看下驱动有没有问题,还有数据库连接