Thank you! http://dev.clojure.org/jira/browse/CLJS-315

On Thu, Jun 14, 2012 at 6:43 AM, Dave Sann <daves...@gmail.com> wrote:

> I (think) I have tracked it down to the following section of code from
> jayq.core (simplified)
>
> -------------------------------
>
> (ns jayq.core)
>
> (extend-type js/jQuery
>   IIndexed
>   (-nth [this n]
>     (when (< n (count this))
>       (.slice this n (inc n))))
>   (-nth [this n not-found]
>     (if (< n (count this))
>       (.slice this n (inc n))
>       (if (undefined? not-found)
>         nil
>         not-found)))
>
>   ILookup
>   (-lookup
>     ([this k]
>        (or (.slice this k (inc k)) nil))
>     ([this k not-found]
>        (-nth this k not-found)                     ; <---- here if I
> comment and replace with 1 this will compile in advanced mode.
>        ;1
>        ))
>   )
>
> -----------------------
>
> if I compile this in simple mode - it is ok.
> In advanced, I get the following stack trace:
>
> java.lang.ClassCastException: java.lang.String cannot be cast to
> clojure.lang.Named
> at clojure.core$namespace.invoke(core.clj:1497)
> at cljs.compiler$resolve_existing_var.invoke(compiler.clj:110)
> at cljs.compiler$eval1054$fn__1056.invoke(compiler.clj:716)
> at clojure.lang.MultiFn.invoke(MultiFn.java:163)
> at cljs.compiler$emit_block.invoke(compiler.clj:333)
> at cljs.compiler$emit_fn_method.invoke(compiler.clj:512)
> at cljs.compiler$eval952$fn__954.invoke(compiler.clj:573)
> at clojure.lang.MultiFn.invoke(MultiFn.java:163)
> at cljs.compiler$emits.doInvoke(compiler.clj:232)
> at clojure.lang.RestFn.invoke(RestFn.java:436)
> at cljs.compiler$eval1089$fn__1091.invoke(compiler.clj:791)
> at clojure.lang.MultiFn.invoke(MultiFn.java:163)
> at cljs.compiler$emit_block.invoke(compiler.clj:333)
> at cljs.compiler$eval996$fn__998.invoke(compiler.clj:633)
> at clojure.lang.MultiFn.invoke(MultiFn.java:163)
> at cljs.compiler$compile_file_STAR_.invoke(compiler.clj:1668)
> at cljs.compiler$compile_file.invoke(compiler.clj:1705)
> at cljs.compiler$compile_root.invoke(compiler.clj:1766)
> at cljs.closure$compile_dir.invoke(closure.clj:364)
> at cljs.closure$eval1981$fn__1982.invoke(closure.clj:396)
> at cljs.closure$eval1910$fn__1911$G__1901__1918.invoke(closure.clj:266)
> at cljs.closure$eval1968$fn__1969.invoke(closure.clj:410)
> at cljs.closure$eval1910$fn__1911$G__1901__1918.invoke(closure.clj:266)
> at cljs.closure$build.invoke(closure.clj:874)
> at user$compile_cljs.invoke(NO_SOURCE_FILE:273)
> at user$cljs_build.invoke(NO_SOURCE_FILE:284)
> at clojure.lang.AFn.applyToHelper(AFn.java:167)
> at clojure.lang.AFn.applyTo(AFn.java:151)
> at clojure.core$apply.invoke(core.clj:605)
> at clojure.core$partial$fn__4072.doInvoke(core.clj:2345)
> at clojure.lang.RestFn.invoke(RestFn.java:408)
> at user$changed_fn$fn__2184.invoke(NO_SOURCE_FILE:88)
> at user$watch.invoke(NO_SOURCE_FILE:103)
> at user$main$fn__2271.invoke(NO_SOURCE_FILE:387)
> at clojure.core$binding_conveyor_fn$fn__3989.invoke(core.clj:1819)
> at clojure.lang.AFn.call(AFn.java:18)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>
>
>
>
>
> On Thursday, 14 June 2012 18:28:56 UTC+10, Dave Sann wrote:
>>
>> It may take some time. I'll see what I can do.
>>
>> D
>>
>>
>> On Thursday, 14 June 2012 00:09:49 UTC+10, David Nolen wrote:
>>>
>>> Does this problem only occur on a specific project? Can you create a
>>> minimal reproducible case?
>>>
>>> Thanks,
>>> David
>>>
>>> On Wed, Jun 13, 2012 at 7:54 AM,
>>>
>>>> So far I can only confirm the following.
>>>>
>>>> It does not occur if I revert to commit **
>>>> 7b6678bead5a0733d0388ddaa4e78e**714b9d6187 but does from **
>>>> e959e0205a4b42a099c120a7742731**4d288c965b (Merge branch
>>>> 'cljs-305-proto-inline') onward.
>>>>
>>>> I have been unable to get a stacktrace with the exception - So at the
>>>> moment I really don't know why this is occurring.
>>>>
>>>> If I find out more I will report it.
>>>>
>>>> Otherwise - I am keen to know if anyone else sees a similar problem.
>>>>
>>>> D
>>>>
>>>>
>>>> On Tuesday, 12 June 2012 22:51:39 UTC+10, David Nolen wrote:
>>>>
>>>>> That ticket has been resolved.
>>>>>
>>>>> For your own issue, more details required. If you can isolate it, open
>>>>> a ticket.
>>>>>
>>>>> David
>>>>>
>>>>> On Tue, Jun 12, 2012 at 8:16 AM,
>>>>>
>>>>>> I have started seeing java.lang.ClassCastException when compiling in
>>>>>> advanced mode.
>>>>>>
>>>>>> Compilation is fine with simple optimisations.
>>>>>>
>>>>>> This happens with source code that previously did not complain...
>>>>>>
>>>>>> I am wondering if this might be related to :
>>>>>>
>>>>>> https://groups.google.com/d/**to**pic/clojure/NHIzoUz0wmc/**discus**
>>>>>> sion<https://groups.google.com/d/topic/clojure/NHIzoUz0wmc/discussion>
>>>>>>
>>>>>> Anyone else see this?
>>>>>>
>>>>>> D
>>>>>>
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