请问各位大侠有没有遇到过这个异常 请问怎么解决？？
ClientAbortException: java.io.IOException
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:349)
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:55)
at org.apache.poi.poifs.storage.DocumentBlock.writeData(DocumentBlock.java:220)
at org.apache.poi.poifs.storage.BigBlock.writeBlocks(BigBlock.java:86)
at org.apache.poi.poifs.filesystem.POIFSDocument$BigBlockStore.writeBlocks(POIFSDocument.java:603)
at org.apache.poi.poifs.filesystem.POIFSDocument.writeBlocks(POIFSDocument.java:275)
at org.apache.poi.poifs.filesystem.POIFSFileSystem.writeFilesystem(POIFSFileSystem.java:263)
at org.apache.poi.hssf.usermodel.HSSFWorkbook.write(HSSFWorkbook.java:915)
at net.xml.utils.excel.DownLoadExcel.getExcel(DownLoadExcel.java:84)
at net.xml.service.userface.serExcelUserFace.doGet(serExcelUserFace.java:59)
at net.xml.service.userface.serExcelUserFace.doPost(serExcelUserFace.java:66)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:866)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:716)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1498)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException
at org.apache.coyote.http11.InternalAprOutputBuffer.flushBuffer(InternalAprOutputBuffer.java:692)
at org.apache.coyote.http11.InternalAprOutputBuffer$SocketOutputBuffer.doWrite(InternalAprOutputBuffer.java:722)
at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)
at org.apache.coyote.http11.InternalAprOutputBuffer.doWrite(InternalAprOutputBuffer.java:528)
at org.apache.coyote.Response.doWrite(Response.java:560)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
... 30 more

------解决方案--------------------
是不是.输出流没有关.
我以前也出现这样的问题.就是printwrite没有关引起的.你查看一下.
------解决方案--------------------
一般是开关流导致的！ 一般情况下，应该将关流的语句写在final快里面！
不知道你有没有涉及到socket编程。
涉及到这一块的时候，要注意连接重置的问题！！connection reset