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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRAPI-94) Random failure of ClientAbandonRequestTest
Date Sat, 13 Oct 2012 15:20:03 GMT

    [ https://issues.apache.org/jira/browse/DIRAPI-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475631#comment-13475631
] 

Emmanuel Lecharny commented on DIRAPI-94:
-----------------------------------------

Interesting !

Now, we have to check that the AbandonRequest arrives *before* the entries have been transmitted
to the user, otherwise it's normal that the user receives everything.

This version of the server computes all the results first, and fetch the entries one by one
to send them to the client. It's a very fast operation (core-integ has some perf tests that
demonstrates the server can fetch more than 160 000 entries per second). The set of returned
entries must be big enough, and the abandonRequest must be sent fast enough for the AbandonRequest
has a chance to be received and processed before it's completely sent. 

One possibility to check that the AbandonRequest is correctly processed is to add a MINA filter
that slow down the sending of messages (or to add an entry Filter that does the same thing).
Adding an interceptor that adds a Flter is also an option.
                
> Random failure of ClientAbandonRequestTest
> ------------------------------------------
>
>                 Key: DIRAPI-94
>                 URL: https://issues.apache.org/jira/browse/DIRAPI-94
>             Project: Directory Client API
>          Issue Type: Bug
>    Affects Versions: 1.0.0-M13
>            Reporter: Stefan Seelmann
>             Fix For: 1.0.0-M14
>
>
> ClientAbandonRequestTest.testAbandonSearch() fails occasionally on Jenkins. To demonstrate
it I added the MulitThreadedMultiInvoker, please run the test with system properties "-Dmtmi.invocations=1000
-Dmtmi.trace=true" which runs each test method multiple times. The problem is that sometimes
the abandon request has no effect but the client receives all search result. I'm not sure
if it is a problem is located in the client API or on the server side.

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