unable to create record instance ...

Hi,

I am using Poi latest final 3.8 version to fix this issue.but still i am getting the fallowing exception.please let me kno

org.apache.poi.hssf.record.RecordFormatException: Unable to construct record instance
at org.apache.poi.hssf.record.RecordFactory$ReflectionRecordCreator.create(RecordFactory.java:64)
at org.apache.poi.hssf.record.RecordFactory.createSingleRecord(RecordFactory.java:263)
at org.apache.poi.hssf.record.RecordFactoryInputStream.readNextRecord(RecordFactoryInputStream.java:270)
at org.apache.poi.hssf.record.RecordFactoryInputStream.nextRecord(RecordFactoryInputStream.java:236)
at org.apache.poi.hssf.record.RecordFactory.createRecords(RecordFactory.java:377)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.(HSSFWorkbook.java:275)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.(HSSFWorkbook.java:200)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.(HSSFWorkbook.java:316)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.(HSSFWorkbook.java:297)
at com.alstom.hpr.manager.excel.impl.type.XlsImport.importFile(XlsImport.java:40)
at com.alstom.hpr.manager.excel.impl.BaseExcelManagement.importFile(BaseExcelManagement.java:89)
at com.alstom.hpr.struts.imports.ImportFinUnitDataAction.importFile(ImportFinUnitDataAction.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at com.alstom.fwk.servlet.StrutsServlet.service(StrutsServlet.java:95)
at com.alstom.hpr.servlet.HprStrutsServlet.service(HprStrutsServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.alstom.fwk.servlet.filter.SimConnectionFilter.doFilter(SimConnectionFilter.java:47)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.alstom.fwk.servlet.filter.LoggerFilter.doFilter(LoggerFilter.java:71)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.alstom.fwk.servlet.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:121)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.poi.hssf.record.RecordFormatException: Not enough data (0) to read requested (6) bytes
at org.apache.poi.hssf.record.RecordInputStream.checkRecordPosition(RecordInputStream.java:215)
at org.apache.poi.hssf.record.RecordInputStream.readFully(RecordInputStream.java:278)
at org.apache.poi.hssf.record.RecordInputStream.readFully(RecordInputStream.java:274)
at org.apache.poi.hssf.record.chart.ChartEndBlockRecord.(ChartEndBlockRecord.java:44)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.apache.poi.hssf.record.RecordFactory$ReflectionRecordCreator.create(RecordFactory.java:56)
... 46 more

Code i have written is
i am getting the inputstream from the FormFile of struts request
HSSFWorkbook wb = new HSSFWorkbook(is);

i'd appreciate developer's comments on whether this is indeed a bug and not some rudeness on the part of my own code,please

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