vaadin - Getting java.io.IOException: Stream Closed from DownloadStream -


i'm developing vaadin application. function i'm working on creating 2 pdf's, merging them , downloading client temporary file. few times strange ioexception no reference code. idea on may cause it?

the stack trace:

java.io.ioexception: stream closed     @ java.io.fileinputstream.readbytes(native method)     @ java.io.fileinputstream.read(unknown source)     @ com.vaadin.server.downloadstream.writeresponse(downloadstream.java:304)     @ com.vaadin.server.abstractclientconnector.handleconnectorrequest(abstractclientconnector.java:646)     @ com.vaadin.server.connectorresourcehandler.handlerequest(connectorresourcehandler.java:83)     @ com.vaadin.server.vaadinservice.handlerequest(vaadinservice.java:1408)     @ com.vaadin.server.vaadinservlet.service(vaadinservlet.java:350)     @ javax.servlet.http.httpservlet.service(httpservlet.java:790)     @ org.eclipse.jetty.servlet.servletholder.handle(servletholder.java:808)     @ org.eclipse.jetty.servlet.servlethandler.dohandle(servlethandler.java:587)     @ org.eclipse.jetty.server.handler.scopedhandler.handle(scopedhandler.java:143)     @ org.eclipse.jetty.security.securityhandler.handle(securityhandler.java:577)     @ org.eclipse.jetty.server.session.sessionhandler.dohandle(sessionhandler.java:223)     @ org.eclipse.jetty.server.handler.contexthandler.dohandle(contexthandler.java:1127)     @ org.eclipse.jetty.servlet.servlethandler.doscope(servlethandler.java:515)     @ org.eclipse.jetty.server.session.sessionhandler.doscope(sessionhandler.java:185)     @ org.eclipse.jetty.server.handler.contexthandler.doscope(contexthandler.java:1061)     @ org.eclipse.jetty.server.handler.scopedhandler.handle(scopedhandler.java:141)     @ org.eclipse.jetty.server.handler.handlerlist.handle(handlerlist.java:52)     @ org.eclipse.jetty.server.handler.handlerwrapper.handle(handlerwrapper.java:97)     @ org.eclipse.jetty.server.server.handle(server.java:497)     @ org.eclipse.jetty.server.httpchannel.handle(httpchannel.java:310)     @ org.eclipse.jetty.server.httpconnection.onfillable(httpconnection.java:257)     @ org.eclipse.jetty.io.abstractconnection$2.run(abstractconnection.java:540)     @ org.eclipse.jetty.util.thread.queuedthreadpool.runjob(queuedthreadpool.java:635)     @ org.eclipse.jetty.util.thread.queuedthreadpool$3.run(queuedthreadpool.java:555)     @ java.lang.thread.run(unknown source)

any idea on may cause it?

java.io.ioexception: stream closed caused closing stream , continuing use it. bug in code.

nb not caused peer does, , not caused peer closing his end of connection.


Comments

Post a Comment

Popular posts from this blog

android - MPAndroidChart - How to add Annotations or images to the chart -

i working latest mpandroidchart library , looking way add annotations or images clickable. example: once data reaches value event occurs want able display user - there multiple events can occur annotations (not sure if right word) or image added @ point in chart. any pointers welcome. check documentation of yaxis . focus on setspacetop(...) , setaxismaxvalue(...) methods. for background: bar-shadow , disable calling: barchart.setdrawbarshadow(false) or change color: bardataset.setbarshadowcolor(int color)
Read more

javascript - Add class to another page attribute using URL id - Jquery -

i have attached id url. ex: when click link 1 , has #tab-2 id , takes me landing page. in landing page have find element has #tab-2 id have add class .active . i tried no luck. please 1 correct code. thanks js fiddle link html <div class="menu"> <ul> <li><a href="http://jsfiddle.net/gscyoa0j/1/#tab-2">link 1</a></li> <li><a href="http://jsfiddle.net/gscyoa0j/1/#tab-44">link 2</a></li> <li><a href="http://jsfiddle.net/gscyoa0j/1/#tab-74">link 3</a></li> </ul> </div> landing page <div class="tab"> <ul> <li><a id="tab-2" class="active" >link 1 content</a></li> <li><a id="tab-44" >link 2 content</a></li> <li><a id="tab-74" >link 3 content</a></l...
Read more

firefox - Where is 'webgl.osmesalib' parameter? -

i'm trying webgl running on firefox (v37.0.2) via software acceleration mesa. tried following steps have been stated in article: http://www.binarytides.com/enable-webgl-firefox-ubuntu/ however, unable find parameter named ' webgl.osmesalib ' in about:config section? has been removed (or renamed)? if yes, how should instruct firefox use mesa's software acceleration webgl? looks support osmesa removed in favour llvmpipe.
Read more