looks like it didn't properly load clojure.core (possibly due to that
classloader being "wrong"?) but I am not sure why it didn't fail sooner
than on the line with refer
static void doInit() throws ClassNotFoundException, IOException{
load("clojure/core"); //this wasn't loaded ok?!
Var.pushThreadBindings(
RT.mapUniqueKeys(CURRENT_NS, CURRENT_NS.deref(),
WARN_ON_REFLECTION, WARN_ON_REFLECTION.deref()
,RT.UNCHECKED_MATH, RT.UNCHECKED_MATH.deref()));
try {
Symbol USER = Symbol.intern("user");
Symbol CLOJURE = Symbol.intern("clojure.core");
Var in_ns = var("clojure.core", "in-ns");
Var refer = var("clojure.core", "refer");
in_ns.invoke(USER); //wonder why it didn't fail here
refer.invoke(CLOJURE); //fails here
maybeLoadResourceScript("user.clj");
}
finally {
Var.popThreadBindings();
}
}
On Fri, May 17, 2013 at 7:38 PM, Dave Kincaid <kincaid.d...@gmail.com>wrote:
> A quick update on a little more progress troubleshooting this issue. We
> have gotten to the point where we are seeing this stacktrace:
>
> java.lang.IllegalStateException: Attempting to call unbound fn:
> #'clojure.core/refer
> at clojure.lang.Var$Unbound.throwArity(Var.java:43)
> at clojure.lang.AFn.invoke(AFn.java:39)
> at clojure.lang.Var.invoke(Var.java:415)
> at clojure.lang.RT.doInit(RT.java:460)
> at clojure.lang.RT.<clinit>(RT.java:329)
>
> does that give anyone an idea?
>
> On Thursday, May 16, 2013 7:53:27 PM UTC-5, Dave Kincaid wrote:
>>
>> I'm posting this here in hopes that someone might be able to steer us in
>> the right direction. We have a Cascalog process that we're using
>> Spring-Hadoop & Spring-Batch to send to a remote Hadoop cluster. It seems
>> as though Spring-Hadoop is doing something funky with the
>> classpath/classloader and we're getting the following exception when we run
>> it:
>>
>> java.lang.**ExceptionInInitializerError
>> at clojure.core__init.__init0(**Unknown Source)
>> at clojure.core__init.<clinit>(**Unknown Source)
>> at java.lang.Class.forName0(**Native Method)
>> at java.lang.Class.forName(Class.**java:266)
>> at clojure.lang.RT.**loadClassForName(RT.java:2098)
>> at clojure.lang.RT.load(RT.java:**430)
>> at clojure.lang.RT.load(RT.java:**411)
>> at clojure.lang.RT.doInit(RT.**java:447)
>> at clojure.lang.RT.<clinit>(RT.**java:329)
>> at cascalog.Util.<clinit>(Util.**java:29)
>> at jcascalog.Api.**setApplicationConf(Api.java:**99)
>> at com.test.DataShredder.run(**DataShredder.java:113)
>>
>> in trying to trace it we think that this is happening while
>> clojure.lang.RT is scanning all the classes on the classpath. It seems to
>> get to one class called StepExecution.class, which is part of the Spring
>> Framework, and it throws this exception. We've got this posted over on the
>> Spring forums too, since it's most likely something with Spring's
>> manipulation of classpath and/or classloader while it's trying to get the
>> MR jobs over to Hadoop.
>>
>> If anyone has another idea, we'd love to hear it. We're kind of stuck
>> right now and been working on it for a few days.
>>
>> Thanks,
>>
>> DAve
>>
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