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JSP中《人力资源管理系统》问题？
发表在JavaWeb图书答疑
2008-03-15
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<P>老师你好，我在配置人力资源管理系统中总是连接不上数据库是怎么回事？</P>
<P>我肯定是hibeinate配置有问题，我想问你一下，在hibeinate-ext oolin下配置ddl2hbm.bat时出现框，之后在CODE标签里面填Package Name中填写文件的包名，指的是那几个包？</P>
<P>还有配置那个setenv.bat时，只要文件路径正确就可以吧没有过分的要求吧？</P>
<P> </P>
<P>错误提示：</P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>type</FONT></B> Exception report</P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>message</FONT></B> <U></U></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>description</FONT></B> <U>The server encountered an internal error () that prevented it from fulfilling this request.</U></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>exception</FONT></B> <PRE>javax.servlet.ServletException: Cannot open connection
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:516)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:423)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
com.bOS.Action.ActionServlet.process(ActionServlet.java:21)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
</PRE>
<P></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>root cause</FONT></B> <PRE>net.sf.hibernate.JDBCException: Cannot open connection
net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:281)
net.sf.hibernate.impl.SessionImpl.connect(SessionImpl.java:3264)
net.sf.hibernate.impl.SessionImpl.connection(SessionImpl.java:3244)
net.sf.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:40)
net.sf.hibernate.transaction.JDBCTransactionFactory.beginTransaction(JDBCTransactionFactory.java:19)
net.sf.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:2195)
com.bOS.bPRO_PersonManage.service.UsersDao.logonUsers(UsersDao.java:78)
com.bOS.bPRO_PersonManage.action.UsersAction.logon(UsersAction.java:111)
com.bOS.bPRO_PersonManage.action.UsersAction.execute(UsersAction.java:41)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
com.bOS.Action.ActionServlet.process(ActionServlet.java:21)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
</PRE>
<P></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>note</FONT></B> <U>The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.</U></P>
<HR noShade SIZE=1>
<P> </P>
<P>我肯定是hibeinate配置有问题，我想问你一下，在hibeinate-ext oolin下配置ddl2hbm.bat时出现框，之后在CODE标签里面填Package Name中填写文件的包名，指的是那几个包？</P>
<P>还有配置那个setenv.bat时，只要文件路径正确就可以吧没有过分的要求吧？</P>
<P> </P>
<P>错误提示：</P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>type</FONT></B> Exception report</P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>message</FONT></B> <U></U></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>description</FONT></B> <U>The server encountered an internal error () that prevented it from fulfilling this request.</U></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>exception</FONT></B> <PRE>javax.servlet.ServletException: Cannot open connection
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:516)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:423)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
com.bOS.Action.ActionServlet.process(ActionServlet.java:21)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
</PRE>
<P></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>root cause</FONT></B> <PRE>net.sf.hibernate.JDBCException: Cannot open connection
net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:281)
net.sf.hibernate.impl.SessionImpl.connect(SessionImpl.java:3264)
net.sf.hibernate.impl.SessionImpl.connection(SessionImpl.java:3244)
net.sf.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:40)
net.sf.hibernate.transaction.JDBCTransactionFactory.beginTransaction(JDBCTransactionFactory.java:19)
net.sf.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:2195)
com.bOS.bPRO_PersonManage.service.UsersDao.logonUsers(UsersDao.java:78)
com.bOS.bPRO_PersonManage.action.UsersAction.logon(UsersAction.java:111)
com.bOS.bPRO_PersonManage.action.UsersAction.execute(UsersAction.java:41)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
com.bOS.Action.ActionServlet.process(ActionServlet.java:21)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
</PRE>
<P></P>
<P><B><FONT style="BACKGROUND-COLOR: #525d76" color=#ffffff>note</FONT></B> <U>The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.</U></P>
<HR noShade SIZE=1>
<P> </P>
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