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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-586) Reliable hang of DS during query
Date Wed, 26 Apr 2006 11:48:04 GMT
    [ http://issues.apache.org/jira/browse/DIRSERVER-586?page=comments#action_12376472 ] 

Emmanuel Lecharny commented on DIRSERVER-586:
---------------------------------------------

Ahha, interesting !

Can you just do a "netstat -a | grep 10389" ( or the equivalent  under W$), and also produce
a thread stack (ctrl-brk, I guess), or using jstack (http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jstack.html)

It can be very interesting to see how many socket are open and also how many threads have
been created on server side and on client side.

Emmanuel

> Reliable hang of DS during query
> --------------------------------
>
>          Key: DIRSERVER-586
>          URL: http://issues.apache.org/jira/browse/DIRSERVER-586
>      Project: Directory ApacheDS
>         Type: Bug

>  Environment: DS 0.9.3, Windows, JDK 1.5
>     Reporter: Jörg Henne
>     Assignee: Alex Karasulu
>  Attachments: bugreport.zip
>
> When running the attached test, the directory server hangs after executing a slew of
operations when searching for objects.
> First of all, some background on the test case:
> The attached test case (in the form of an exported eclipse project) is, unfortunately,
based on quite a few classes. They are part of a project I am currently working on: an object
to ldap mapper with a similar approach as castor for XML or hibernate for RDBMS, albeit a
lot more modest in complexity (I'll, hopefully, one day be able to open-source it - for now
it is still much to immature). I have supplied all that stuff mainly for your reference.
> To run the test case, please make sure that the constant "URL" in LDAPDirectoryTest points
to a valid directory. The URL the context points to must exist. It will, however, subsequently
create lots of nodes below it.
> The hang seems to be related to some kind of deadlock, since it doesn't occur once the
whole test is run via a single context only. To achieve this, set the constant "ONE_CONTEXT"
to true (each LDAPDirectory uses its own set of contexts).
> If you have any problems running the test, please don't hesitate to contact me.

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