java.lang.ClassCastException java.sql.Timestamp cannot be cast to java.lang.String
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修改前:
System.out.println("sj:"+(String)queryBySql(
"selectendsaletime from lot_gamepara p,lot_game g where p.gaid=g.gaid and issue=? andposcode=?",
issue,gamename));
出现异常如下:
2012-7-10 16:08:56org.apache.catalina.core.StandardWrapperValve invoke
严重:Servlet.service() for servlet LotteryServlet threw exception
java.lang.ClassCastException: java.sql.Timestamp cannot be cast to java.lang.String
atcom.lottery.dao.LotteryDao.getEndtime(LotteryDao.java:57)
atcom.lottery.service.lottery.RePrintService.authentication(RePrintService.java:61)
atcom.lottery.service.lottery.RePrintService.getRes(RePrintService.java:36)
atcom.lottery.servlet.LotteryServlet.doMsg00(LotteryServlet.java:247)
atcom.lottery.servlet.LotteryServlet.doPost(LotteryServlet.java:74)
atjavax.servlet.http.HttpServlet.service(HttpServlet.java:637)
atjavax.servlet.http.HttpServlet.service(HttpServlet.java:717)
atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
atorg.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:864)
atorg.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
atorg.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1665)
atjava.lang.Thread.run(Thread.java:662)
修改后:
System.out.println("sj:"+ queryBySql(
"selectendsaletime from lot_gamepara p,lot_game g where p.gaid=g.gaid and issue=? andposcode=?",
issue,gamename).toString());
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