poi读取Excel文件报异常
最近使用poi操作Excel时，在读取Excel到文件到文件流中时，抛出一下异常:
org.apache.poi.hssf.record.RecordFormatException: String record was supplied but formula record flag is not set
at org.apache.poi.hssf.record.aggregates.FormulaRecordAggregate.<init>(FormulaRecordAggregate.java:51)
at org.apache.poi.hssf.record.aggregates.ValueRecordsAggregate.construct(ValueRecordsAggregate.java:159)
at org.apache.poi.hssf.record.aggregates.RowRecordsAggregate.<init>(RowRecordsAggregate.java:89)
at org.apache.poi.hssf.model.Sheet.createSheet(Sheet.java:219)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:281)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:196)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:313)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:294)
at com.nec.nes.eks.importEmployeeAttendance.service.ImportEmployeeAttendanceService.getEmployeeAttendanceFromXls(ImportEmployeeAttendanceService.java:164)
at com.nec.nes.eks.importEmployeeAttendance.action.ImportEmployeeAttendanceAction.uploadAnalyzeFile(ImportEmployeeAttendanceAction.java:167)
at com.nec.nes.eks.importEmployeeAttendance.action.ImportEmployeeAttendanceAction.exe(ImportEmployeeAttendanceAction.java:86)
at com.nec.nes.comn.core.action.BaseAction.execute(BaseAction.java:79)
at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
at com.nec.nes.comn.core.servlet.OurActionServlet.service(OurActionServlet.java:96)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)