Without AOT, the classLoader's are not the same
(str (.getClassLoader A))
WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@790bc49d
(str (.getClassLoader (class an-A-record)))
clojure.lang.DynamicClassLoader@3ac803e6
I'll try AOT compile next, as that DynamicClassLoader seems to suggest.
But I'm not sure what else can be done.
On Thursday, December 13, 2012 10:53:53 PM UTC-5, CGAT wrote:
>
> I did not AOT compile it, though I can try that. I'll check the
> ClassLoader as well, thanks. I do know that (class an-A-record) is A,
> suitably ns-qualified.
>
> Thanks for the ideas. What did you finally do when this happened to you?
>
> On Thursday, December 13, 2012 8:19:48 PM UTC-5, cjeris wrote:
>>
>> In the Tomcat uberwar setting, is ns1 AOT-compiled? Are (.getClassLoader
>> A) and (.getClassLoader (.getClass an-A-record)) different class loaders?
>> That's what the problem was when this one bit me. I never did track down
>> exactly why it happens or how to fix it.
>>
>> peace, Chris Jeris
>>
>> On Thu, Dec 13, 2012 at 6:13 PM, CGAT <genov...@gmail.com> wrote:
>>
>>> I have a frustrating situation and would appreciate any help.
>>> The call
>>>
>>> (instance? A an-A-record)
>>>
>>> is returning false when an-A-record is in fact an instance of A.
>>>
>>> This is in a noir/compojure/ring server. But the problem *only* *occurs
>>> *when run under tomcat, *not* when run under Jetty. I'm guessing
>>> that I've missed declaring something properly, but I don't see what it
>>> is.
>>> (I hope this is a suitable forum for this question.)
>>>
>>> Here's the situation in more detail.
>>>
>>> In ns1
>>>
>>> (defrecord A ...)
>>> (defrecord B ...)
>>> (defn AorB? [x] (or (instance? A x) (instance? B x)))
>>> (defn Afactory [] ...) ; makes an A
>>>
>>> In ns2, which :require's ns 1 refering AorB? and Afactory and :imports
>>> A and B properly from ns1.
>>>
>>> (AorB? (Afactory)) ;=> true in jetty, false in tomcat
>>>
>>> I'm using Clojure 1.4.0, compojure 1.1.3, noir 1.3.0-beta10, ....
>>> I use lein run to start the jetty server (with a suitable -main),
>>> and lein ring uberwar to create a warfile which runs under
>>> Apache Tomcat 6.0.24 (with JVM 1.6.0_26-b03).
>>> All the rest of the code appears to be behaving identically under either
>>> platform.
>>>
>>> I've been banging my head against the wall over this and would
>>> appreciate any help or pointers. Thanks!
>>>
>>>
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>>
>>
>>
>>
>> --
>> Chris Jeris
>> cje...@brightcove.com (617) 686-3271
>> freenode/twitter/github: ystael
>>
>>
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