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Re: [jetty-users] Jetty 9.2.13 DefaultServlet static file download error ; HP Nonstop (Tandem) Operating system
That EofException means your client closed the connection before reading the entire contents of the response.

Why did it close the connection?


Joakim Erdfelt / joakim@xxxxxxxxxxx

On Mon, Dec 14, 2015 at 8:37 AM, Sakthivel.P <p.stivel@xxxxxxxxx> wrote:
Hi,

We are using jetty in HP nonstop operating system for many applications. Recently found one issue, DefaultServlet fails serving static contents from jetty9 which size mor
​e ​
than 54KB.

  <html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Awesome Font Test</title>
        <link rel="stylesheet" href=""  <
        <link rel="stylesheet" href="">        <link rel="stylesheet" href="">    </head>
    <body>
        <h1>Awesome Font Test</h1>
        <ul class="fa-ul">
            <li><i class="fa-li fa fa-check-square"></i>List icons</li>
            <li><i class="fa-li fa fa-spinner fa-spin"></i>as bullets</li>
            <li><i class="fa-li fa fa-square"></i>in lists</li>
            <li><i class="fa-li fa fa-refresh" title="Refresh" >Refresh</i>
        </ul>

    </body>
</html>

For the above simple html page, a static file like JS or CSS file which size is morethan 54KB fails while downloading and jetty logs the following error.

015-12-14 07:07:02,228 DEBUG [qtp26845234-13 - /fonttest/font-awesome-4.5.0/css/font-awesome2.min.css] o.eclipse.jetty.server.HttpChannel -
org.eclipse.jetty.io.EofException: null
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:192) ~[jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:408) ~[jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.io.WriteFlusher.write(WriteFlusher.java:302) ~[jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.io.AbstractEndPoint.write(AbstractEndPoint.java:129) ~[jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:676) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:246) ~[jetty-util-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:208) ~[jetty-util-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:471) [jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:763) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:801) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:147) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpOutput.sendContent(HttpOutput.java:588) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpOutput.sendContent(HttpOutput.java:674) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpOutput.sendContent(HttpOutput.java:576) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.servlet.DefaultServlet.sendData(DefaultServlet.java:960) ~[jetty-servlet-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:534) ~[jetty-servlet-9.2.13.v20150730.jar:9.2.13.v20150730]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) ~[servlet-api-3.1.jar:3.1.0]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[servlet-api-3.1.jar:3.1.0]
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808) ~[jetty-servlet-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587) ~[jetty-servlet-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) ~[jetty-security-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) ~[jetty-servlet-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.Server.handle(Server.java:499) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310) ~[jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) [jetty-server-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) [jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) [jetty-util-9.2.13.v20150730.jar:9.2.13.v20150730]
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) [jetty-util-9.2.13.v20150730.jar:9.2.13.v20150730]
    at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65]
Caused by: java.io.IOException: Invalid function argument (errno:4022)
    at sun.nio.ch.FileDispatcherImpl.writev0(Native Method) ~[na:1.7.0_65]
    at sun.nio.ch.SocketDispatcher.writev(SocketDispatcher.java:51) ~[na:1.7.0_65]
    at sun.nio.ch.IOUtil.write(IOUtil.java:148) ~[na:1.7.0_65]
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:537) ~[na:1.7.0_65]
    at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:172) ~[jetty-io-9.2.13.v20150730.jar:9.2.13.v20150730]

Default HP Nonstop http output buffer size is 54k. and Jetty.output.buffer.size is set 32768 however static files not being chuked and buffered through
​​
NIO connector
​​ where as our own servlets output buffering work with chunks without any error.  Default Servlet trying to flush entire file content at once instead of multiple chunks.

​I​ didnt some anaylse commented out writing it throuh GatheringByteChannel and jetty able to serves static js files but still throws the error for woff type web fonts.

​org.eclipse.jetty.io.ChannelEndPoint​.Java

​   @Override
    public boolean flush(ByteBuffer... buffers) throws IOException
    {
        int flushed=0;
        try
        {
            if (buffers.length==1)
                flushed=_channel.write(buffers[0]);
            //else if (buffers.length>1 && _channel instanceof GatheringByteChannel)
             //   flushed= (int)((GatheringByteChannel)_channel).write(buffers,0,buffers.length); //fails buffering
            else
            {
                for (ByteBuffer b : buffers)
                {
                    if (b.hasRemaining())
                    {
                        int l=_channel.write(b);
                        if (l>0)
                            flushed+=l;
                        if (b.hasRemaining())
                            break;
                    }
                }
            }
            if (LOG.isDebugEnabled())
                LOG.debug("flushed {} {}", flushed, this);
        }
        catch (IOException e)
        {
            throw new EofException(e);
        }

        if (flushed>0)
            notIdle();

        for (ByteBuffer b : buffers)
            if (!BufferUtil.isEmpty(b))
                return false;

        return true;
    }

​I've also tried adding adding the following ​MIME mapping in webdefault.xml but no help.

 <mime-mapping>
    <extension>woff</extension>
    <mime-type>application/font-woff</mime-type>
  </mime-mapping>
  <mime-mapping>
    <extension>woff2</extension>
    <mime-type>application/font-woff2</mime-type>
  </mime-mapping>
<mime-mapping>
    <extension>eot</extension>
    <mime-type>application/vnd.ms-fontobject</mime-type>
  </mime-mapping>

Can some one look at this issue.


os.name = NONSTOP_KERNEL
java.runtime.version = 1.7.0_65-b19
os.version = L15.08

Attached system.properties for more
​ ​details.

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