Invalid operation for the current cursor position.是什么异常?

Question

http://expert.csdn.net/Expert/topic/1991/1991465.xml?temp=.6180231

Answer 1

500 Servlet Exception
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid
operation for the current cursor position.
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.base.BaseResultSet.validateCursorPosition(Unknown Source)
at com.microsoft.jdbc.base.BaseResultSet.getInt(Unknown Source)
at com.microsoft.jdbc.base.BaseResultSet.getInt(Unknown Source)
at _querymotorout__jsp._jspService(/querymotorout.jsp:141)
at com.caucho.jsp.JavaPage.service(JavaPage.java:74)
at com.caucho.jsp.Page.subservice(Page.java:485)
at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:181)
at com.caucho.server.http.Invocation.service(Invocation.java:291)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:132)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:217)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:159)
at com.caucho.server.TcpConnection.run(TcpConnection.java:136)
at java.lang.Thread.run(Thread.java:536)
--------------------------------------------------------------------------------
Resin 2.1.0 (built Tue Mar 26 14:12:50 PST 2002)

Answer 2

默认的是游标在第一条记录之前，所以要访问第一条纪录，需要先rs.next();

Answer 3

谢了，请yvhlhpl (宝宝) 给web_spider(蓦然回首，那人却在、灯火阑珊处。) 加分。