Friday, June 28, 2013

Re: Caused by: java.io.IOException: An existing connection was forcibly closed by the remote host - while writing to the csv file

Not really, any implementation is going to be highly dependant on how your backend environment is set up and what projects you can or cannot incorporate.

Here's a decent explanation of how you generally want to approach a situation like this though. 
https://devcenter.heroku.com/articles/background-jobs-queueing

On Monday, June 24, 2013 3:43:40 PM UTC-5, fedex wrote:
Can anyone please suggest how to resolve this exception. I implemented a code which writes huge data to the csv file. I don't know why the connection is getting out.



org.mortbay.jetty.EofException
org.mortbay.jetty.EofException
org.mortbay.jetty.HttpConnection$Output@f09f9a
at org.mortbay.jetty.HttpGenerator.flush(HttpGenerator.java:760)
at org.mortbay.jetty.AbstractGenerator$Output.flush(AbstractGenerator.java:566)
at org.mortbay.jetty.HttpConnection$Output.flush(HttpConnection.java:911)
at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297)
at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141)
at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229)
at java.io.BufferedWriter.flush(BufferedWriter.java:254)
at com.fedex.forecast.datamart.server.util.CSVFileDownloadServlet.writeCsv(CSVFileDownloadServlet.java:180)
at com.fedex.forecast.datamart.server.util.CSVFileDownloadServlet.doPost(CSVFileDownloadServlet.java:75)
at com.fedex.forecast.datamart.server.util.CSVFileDownloadServlet.doGet(CSVFileDownloadServlet.java:38)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.io.IOException: An existing connection was forcibly closed by the remote host
at sun.nio.ch.SocketDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:94)
at sun.nio.ch.IOUtil.write(IOUtil.java:51)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:450)
at org.mortbay.io.nio.ChannelEndPoint.flush(ChannelEndPoint.java:160)
at org.mortbay.io.nio.SelectChannelEndPoint.flush(SelectChannelEndPoint.java:207)
at org.mortbay.jetty.HttpGenerator.flush(HttpGenerator.java:693)
... 28 more

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