https://bz.apache.org/bugzilla/show_bug.cgi?id=60750

--- Comment #9 from Konstantin Kolinko <knst.koli...@gmail.com> ---
> Server number:         7.0.70.0

You are using Tomcat 7.0.70. The current version of Tomcat 7 is 7.0.75.

I wonder whether the behaviour is reproducible with Tomcat 7.0.75.

> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)

The above class in stacktrace means that you are using BIO connector
implementation.

> Comment 5

>        OutputStream out = outputMessage.getBody();
>        String text = JSON.toJSONString(obj, features);
>        byte[] bytes = text.getBytes(charset);
>        out.write(bytes);

Can this be simplified further to be reproduced without 3-rd party classes?

A simple sample web application?


It seems that your hypothesis in Comment 6 and Comment 7 is the following:

1. The zero-length chunk is not send because
org.apache.coyote.http11.filters.ChunkedOutputFilter.end() method is not
called.

2. The end() method is not called (in
org.apache.coyote.http11.AbstractOutputBuffer.endRequest())
because 'AbstractOutputBuffer.finished' flag is 'true'.

3. The 'AbstractOutputBuffer.finished' flag is set to 'true' in
org.apache.coyote.http11.AbstractHttp11Processor.action()
when processing 'case CLOSE_NOW'.


This behaviour is by design. The "CLOSE_NOW" action code means that connection
must be terminated immediately, without any further I/O.

E.g. some fatal error has occurred.

E.g. the client went away (closed its side of connection) without waiting for
your end chunk.

See the javadoc:
https://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/coyote/ActionCode.java?revision=1740727&view=markup#l34


The CLOSE_NOW code was introduced by r1602443 (Tomcat 7.0.55 onwards), 2,5
years ago.

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