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From "Geir Harald Hansen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HTTPCORE-291) Out-of-order responses to pipelined requests
Date Sat, 21 Jan 2012 13:59:40 GMT

     [ https://issues.apache.org/jira/browse/HTTPCORE-291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Geir Harald Hansen updated HTTPCORE-291:

    Attachment: testrun.txt

Attached files that show the issue
> Out-of-order responses to pipelined requests
> --------------------------------------------
>                 Key: HTTPCORE-291
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-291
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore NIO
>            Reporter: Geir Harald Hansen
>         Attachments: Test.java, testrun.txt
> I am having a problem with the latest HttpCore NIO from the Subversion repository (revision
1234228). I have not tested this on earlier versions.
> I am observing two problems, but they stem from the same underlying issue - that after
a response is delayed, processing of subsequent pipelined requests on the same socket continues
> Problem 1: If the response to your first request is delayed, but not the second, they
are delivered out of order.
> Problem 2: If a request has a body (entity) then right after processing that request
and delaying its response, there is a response on the wire ("400 Bad Request") and the connection
is terminated. When this happens none of the delayed responses are cancelled, that is Cancellable#cancel()
is never called.
> I will attach example source code, and an example of running telnet against the program,
to show what is happening. There is first a request that is delayed and never gets a response.
The second request gets a response immediately, out of order. The third request (a POST with
body) also has its response delayed. But then there is a 400 bad request response and the
connection is severed. The two delayed responses are not cancelled.

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