我使用了系统报错:
java.sql.SQLException: 对只转发结果集的无效操作: previous
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:114)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:156)
at oracle.jdbc.driver.BaseResultSet.previous(BaseResultSet.java:95)
at ereport.SelBean.return_data(SelBean.java:335)
at src.ereport._0002fsrc_0002fereport_0002fsearchresult_0002ejspsearchre
sult_jsp_0._jspService(_0002fsrc_0002fereport_0002fsearchresult_0002ejspsearchre
sult_jsp_0.java:214)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspSer
vlet.java:177)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3
18)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:4
04)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372
)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.
java:797)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743
)
at org.apache.tomcat.service.http.HttpConnectionHandler.processConnectio
n(HttpConnectionHandler.java:210)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:
416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java
:498)
at java.lang.Thread.run(Thread.java:484)