Clout doesn't depend on any protocols in Clojure. The only protocol it uses
is defined within the clout.core namespace itself.

Problems like this are often caused by compiled class files on your
classpath. Often they are in the target directory, which can be solved by a
"lein clean". The :clean-non-project-files option being set to false in
Josh's configuration looks very suspicious!

I've also had problems with class files being accidentally included in the
jars of dependencies. In rare cases a dependency may contain class files
from other projects, and because class files outrank clj source files, you
end up with some pretty bizarre behaviour in such cases.

- James


On 11 April 2014 22:09, Tom Connors <t.v.conn...@gmail.com> wrote:

> Hi Josh,
> My solution ended up being pretty lame: I stopped calling a function from
> clout, and the uberjar magically worked, as disappointing as that
> explanation is. As far as I could tell, the root cause of my problem was
> that clout depends on an old version of clojure (1.2, if I recall
> correctly) that defined a protocol that no longer exists in newer versions.
> It doesn't look to me like you're getting the error for the same reason.
> Have you tried the standard things, like blow away the target directory and
> make sure you've required the ns before using its vars? How about.. and I
> hate this idea too... one by one, remove dependencies + code that uses
> them, and see if you can get a working jar?
> When you do manage to figure this out, please post back here, as I'd like
> to understand this error better (it sure is annoying, huh?).
>
>
> On Thursday, February 27, 2014 2:49:38 PM UTC-5, Tom Connors wrote:
>
>> Hi Everyone,
>> I've been having trouble creating an uberjar of a project and I'm hoping
>> someone here can point me toward a solution.
>> After cleaning out the target directory (with "lein clean") and
>> preprocessing my cljx, I can run the project with no trouble using lein
>> repl and lein run. I can package up the project (lein with-profile prd
>> uberjar) and get the resultant jar files. After that, the trouble starts.
>> Running the jar (java -jar my-standalone.jar) fails with a
>> NoClassDefFoundError error, pointing at a protocol defined in
>> weaverjester's clout - 
>> <https://github.com/weavejester/clout>clout/core/Route.
>> I highly doubt clout actually has anything to do with the problem. After
>> creating the uberjar, I can no longer run the project with lein run or lein
>> repl - I get the same error, and I can't do anything with lein without
>> getting that error until I remove the target directory.
>> I've inspected the jar and can see that it contains clout, but just
>> clout/core.clj - no .class files. I edited clout's project.clj to include
>> :aot :all, packaged it into a jar, replaced the clout jar in my local maven
>> repo with that new jar, and re-packaged my project. At this point, when I
>> ran the jar, I got another NoClassDefFoundError, this time pointing at
>> another protocol, but this one from clojure.core: clojure/lang/ILookupHost.
>> I've been having this problem with the latest leiningen (2.3.4) and
>> 2.2.0.
>> I've been futzing with my project.clj for some time, but to no avail. Any
>> help greatly appreciated.
>> -Tom
>>
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