File has been moved - cannot be read again

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Java

File-Upload

Spring

I stored multipartfile to session and I retrieved it to display in table. when I click on this file, I got the error as follow,
This is my coding in controller. If I upload 12KB size pdf file,it has no error. but when I upload 14KB size file, it shows error Like

FIle has been moved - cannot be read again.

Please give me some advice .Thanks.

@RequestMapping("/claim/transportation/download/{docId}")
    public String download(@PathVariable("docId") Integer docId, @ModelAttribute("dataHolderPrmClaimTransportationSession") DataHolderPrmClaimTransportationSession dataHolderPrmClaimTransportationSession,HttpServletResponse response){
        System.out.print(docId); System.out.println("DocID");
        try{
            response.setHeader("Content-Disposition", "inline;filename=\""+dataHolderPrmClaimTransportationSession.getUiPrmClaimTransportation().getTransportationRecordList().get(docId).getUploadFile().getOriginalFilename()+"\"");
            System.out.println("DocIDHeader");
            System.out.println(dataHolderPrmClaimTransportationSession.getUiPrmClaimTransportation().getTransportationRecordList().get(docId).getUploadFile().getOriginalFilename());
            OutputStream out=response.getOutputStream();
            System.out.println(out);
            response.setContentType("application/pdf");
            IOUtils.copy(dataHolderPrmClaimTransportationSession.getUiPrmClaimTransportation().getTransportationRecordList().get(docId).getUploadFile().getInputStream(),out);
            out.flush();
            out.close();
        }catch(IOException e)
        {
            logger.error(e.getMessage(),e);
        }

        return null;
    }

<td id="selfTableAttachedFile"><a href="${pageContext.request.contextPath}/hra/prm/claim/transportation/download/${status.index}" target="_blank">${record.uploadFile.originalFilename }</a></td>