java.io.IOException

Question

小弟在用poi导出excel的时候再导出后大概10s报出如下的错误  各位大神求帮忙下
ClientAbortException: [size=12px] java.io.IOException
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:83)
at org.apache.poi.poifs.storage.BigBlock.doWriteData(BigBlock.java:67)
at org.apache.poi.poifs.storage.DocumentBlock.writeData(DocumentBlock.java:195)
at org.apache.poi.poifs.storage.BigBlock.writeBlocks(BigBlock.java:98)
at org.apache.poi.poifs.storage.DocumentBlock.writeBlocks(DocumentBlock.java:34)
at org.apache.poi.poifs.filesystem.POIFSDocument$BigBlockStore.writeBlocks(POIFSDocument.java:547)
at org.apache.poi.poifs.filesystem.POIFSDocument.writeBlocks(POIFSDocument.java:303)
at org.apache.poi.poifs.filesystem.POIFSFileSystem.writeFilesystem(POIFSFileSystem.java:402)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.write(HSSFWorkbook.java:1177)
at com.ving.xzsp.database.ExportExcel.exportExcel(ExportExcel.java:2187)
at com.ving.xzsp.database.VicExportExcelServlet.doPost(VicExportExcelServlet.java:44)
at com.ving.xzsp.database.VicExportExcelServlet.doGet(VicExportExcelServlet.java:28)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:864)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1665)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException
at org.apache.coyote.http11.InternalAprOutputBuffer.flushBuffer(InternalAprOutputBuffer.java:716)
at org.apache.coyote.http11.InternalAprOutputBuffer$SocketOutputBuffer.doWrite(InternalAprOutputBuffer.java:746)
at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)
at org.apache.coyote.http11.InternalAprOutputBuffer.doWrite(InternalAprOutputBuffer.java:552)
at org.apache.coyote.Response.doWrite(Response.java:560)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
... 31 moreExcelpoiIOException

Answer 1

是不是文件流没有关闭啊
at com.ving.xzsp.database.ExportExcel.exportExcel(ExportExcel.java:2187)
 at com.ving.xzsp.database.VicExportExcelServlet.doPost(VicExportExcelServlet.java:44)
 at com.ving.xzsp.database.VicExportExcelServlet.doGet(VicExportExcelServlet.java:28)
这应该是你程序的报错地方吧查查

Answer 2

这个问题解决呢  就是把那个ServletException 的异常给抛出呢 就好呢