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From "Dan Checkoway (JIRA)" <>
Subject [jira] Commented: (CAMEL-3480) New component: Kestrel
Date Mon, 10 Jan 2011 15:18:46 GMT


Dan Checkoway commented on CAMEL-3480:

Claus, looks good. All tests passed (I temporarily uncommented the @Ignore annotations...thanks
for adding those).

The only catch is that assertions need to be disabled if camel-kestrel uses want to take advantage
of ?waitTimeMs=... on a kestrel endpoint.  Long story short, spymemcached uses assertions
to ensure that the key returned from memcached (or kestrel in this case) matches the key requested.
 It's kinda funky, because you request "myqueue/t=200" (where 200 is the waitTimeMs value)
from the server, and it returns "myqueue"....which is totally valid and expected in our case.
 But the assertion fails.  If we were talking to memcached, that would make sense, but the
"extensions" that kestrel provides require that the returned key be slightly different than
the requested key.

By default, the JVM disables assertions at runtime.  So I'm not sure why spymemcached author(s)
chose to use that mechanism.  Although it's convenient that they did, because that's what
lets us use spymemcached to talk to kestrel!

However...mvn test enables JVM assertions, so this needs to be added to pom.xml to get the
tests to work:


I'll update the Kestrel page on the Camel wiki, making a NOTE about the effect of assertions,
and the requirement for assertions to be disabled for spymemcached to work with kestrel.

> New component: Kestrel
> ----------------------
>                 Key: CAMEL-3480
>                 URL:
>             Project: Camel
>          Issue Type: New Feature
>            Reporter: Dan Checkoway
>            Assignee: Claus Ibsen
>            Priority: Minor
>             Fix For: 2.6.0
>         Attachments: CAMEL-3480-20110110-full.patch
>   Original Estimate: 24h
>  Remaining Estimate: 24h
> I'm proposing that some adapted open-source code for producing to/consuming from Kestrel
be added as an official Camel component.  Currently the code lives here:
> Please assign this to me if you'd like me to own this.

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