Re: confused on set!
Jim - FooBar(); jimpil1...@gmail.com writes:
You can count on that! In addition, whenever I find some free time I'd like to
have a look at the lib and familiarise myself with it...and who knows, I may
even have some (humble yet constructive) comments/feedback. Also, I think
you'll find Clojure is a joy to work with in most domains (my main discipline
is NLP but anything that involves 'heavy-data-lifting' is also a good
candidate).
It's a nice language, I think. It inherits however the some of the
nastiness of Java, in particular it doesn't integrate at all into the
OS; the makes it not a good fit for little scripting, one-off jobs which
form the basis of a lot of scientific computing.
aha! I see what you mean...how about 'with-bindings' then? something like this
should run the tests just fine:
(defn ontology-reasoner-fixture [tests]
(with-bindings {#'r/*reasoner-progress-monitor*
r/reasoner-progress-monitor-silent} tests))
...shorter, same behaviour and as a bonus you're not limited to vars declared
as dynamic. This should work with vanilla 'def' too :)
Which gives me the dynamic scoped behaviour, but not the global
resetting behaviour.
Phil
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Re: [ANN] getclojure.org
Nice! Thank you Devin.
Il giorno venerdì 17 maggio 2013 03:12:11 UTC+2, Devin Walters (devn) ha
scritto:
Hey All,
I put this ( http://getclojure.org ) together and wanted to share it with
all of you. It's a nifty way to search for example usage of clojure. It's
far less curated than ClojureDocs, so you may pick up some interesting
ideas by simply browsing.
It supports boolean queries like: comp AND juxt and will let you search
for - (but you must quote it).
If you're interested in contributing: https://github.com/devn/getclojure is
the place to do it.
Thanks,
--
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asm-based clojure yet?
Ok, weird question: is there some clojure port on assembler yet? Even if(/especially if) it doesn't have jvm/java/javalibs support Or should I just check https://github.com/clojure/clojure-clr ? I'm mainly interested in low memory footprint and fast startup times (does clojure-clr have that?) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: asm-based clojure yet?
I think these qualify as low-footprint clojures: https://github.com/clojure/clojurescript on node.. https://github.com/takeoutweight/clojure-scheme compiles to native https://github.com/halgari/mjolnir llvm targets. On Fri, May 17, 2013 at 7:10 AM, atkaaz atk...@gmail.com wrote: Ok, weird question: is there some clojure port on assembler yet? Even if(/especially if) it doesn't have jvm/java/javalibs support Or should I just check https://github.com/clojure/clojure-clr ? I'm mainly interested in low memory footprint and fast startup times (does clojure-clr have that?) -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: asm-based clojure yet?
On Fri, May 17, 2013 at 02:10:02PM +0300, atkaaz spake thus: Ok, weird question: is there some clojure port on assembler yet? Even if(/especially if) it doesn't have jvm/java/javalibs support Or should I just check https://github.com/clojure/clojure-clr ? I'm mainly interested in low memory footprint and fast startup times (does clojure-clr have that?) You may want to check out ClojureScript, too. ClojureScript programs leveraging nodejs for host interop have fast startup times: https://github.com/clojure/clojurescript/wiki -- - a l a n d. s a l e w s k i salew...@att.net 1024D/FA2C3588 EDFA 195F EDF1 0933 1002 6396 7C92 5CB3 FA2C 3588 - -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
core.logic: Negation As Failure
I've finally got around to adding a negation as failure operator `nafc` to core.logic. The constraint framework has allowed this to be done while avoided the many pitfalls you might encounter with this operator in Prolog. You can now write things like the following: (run* [q] (membero q '(:a :b :c :d)) (nafc membero q '(:a :b :c))) ;; = (:d) As you can see nafc can take a goal (or constraint) and list of arguments and produce a negated goal. The main limitation is that negated goals will not run until the arguments are ground (fully instantiated). This is to avoid the issues normally found in Prolog. This is very experimental but I'm excited that it will simplify the writing of many interesting core.logic programs. This is available in master. Feedback very welcome! David -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: confused on set!
On 17/05/13 11:00, Phillip Lord wrote: It's a nice language, I think. It inherits however the some of the nastiness of Java, in particular it doesn't integrate at all into the OS; the makes it not a good fit for little scripting, one-off jobs which form the basis of a lot of scientific computing. aaa yes indeed...the jvm is indeed very heavy-weight for such scripting tasks...on the other hand have you looked at clojure-py? I'm not up-to-date with its current state/features but it should be viable for little scripting jobs... :) Which gives me the dynamic scoped behaviour, but not the global resetting behaviour. well, the thing is that Clojure in general is not well suited for imperative style code. There are some constructs that make it easier (e.g. with-local-vars), but for the most part you are expected to follow the 'functional-transformation' route instead of the 'imperative-mutation' one...If you absolutely need the global resettable behaviour I can only suggest an atom. Then, when you want to use that in tests, a little try-finally macro which swaps the atom and resets it in the finally clause would simulate your dynamic scope. I quickly wrote the following but I get an exception which I don't have the time to sort at the moment...maybe later this evening... :) (defmacro abinding [bs body] (let [pairs (partition 2 bs) ;;partition the bindings old-values (map (comp deref first) pairs) ;;save the original values _ (doseq [[b v] pairs] (reset! b v)) ;;introduce the new values restore (fn [] (map #(reset! (first %1) %2) pairs old-values))] ;;define the restoring fn `(try ~@body (finally (restore))) )) Jim -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: confused on set!
Jim jimpil1...@gmail.com writes: On 17/05/13 11:00, Phillip Lord wrote: It's a nice language, I think. It inherits however the some of the nastiness of Java, in particular it doesn't integrate at all into the OS; the makes it not a good fit for little scripting, one-off jobs which form the basis of a lot of scientific computing. aaa yes indeed...the jvm is indeed very heavy-weight for such scripting tasks...on the other hand have you looked at clojure-py? I'm not up-to-date with its current state/features but it should be viable for little scripting jobs... :) Well, I an proficient in python, so it's probably easier just to use python. Even if the documentation sucks. Which gives me the dynamic scoped behaviour, but not the global resetting behaviour. I quickly wrote the following but I get an exception which I don't have the time to sort at the moment...maybe later this evening... :) It's okay! I have a workable solution now, even if it still seems a little unfair that I cannot take the same approach that clojure.core does under the same circumstances! Phil -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Strange exception intializing clojure.core using Spring-Hadoop
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 -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Getting highlighted clojure code into a presentation
Hi folks - I had to prepare some slides for a conference, and I struggled
to get nice looking clojure code onto a slide. I eventually arrived at the
following, but it's awfully clunky:
* write code in emacs
* turn off rainbow delimiters as html-fontify doesn't like them
* M-x load-theme whiteboard (for high contrast)
* M-x htmlfontify-buffer (and save)
* M-x browse-url-of-file (loads in Chrome)
* load same url in Safari as for some reason cut-and-paste from Chrome to
Powerpoint is broken
* copy code from Chrome
* paste-special into PowerPoint, as styled text
Yes, I know I can just take a screenshot, but that gives you a bitmap that
doesn't scale nicely or give you any ability to do last minute editing.
But the above gets tedious very fast - I wonder if there's a better option
I've missed?
- Korny
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Re: asm-based clojure yet?
If you had a hobbyist interest in representing S-expressions in assembler - then you could take a look at the tutorial written by Abdulaziz Ghuloum called Compilers: Backend to Frontend and Back to Front Again. It used to be available here: http://www.cs.indiana.edu/~aghuloum/compilers-tutorial-2006-09-16.pdf I don't know if it available anywhere else on the internet - but I grabbed another copy and put it here: https://sites.google.com/site/juliangamble/Home/Compilers%20Tutorial%202006-09-16.pdf?attredirects=0d=1 For a more serious representation of Clojure's persistent data structures, I don't recommend trying to implement them in ASM. Cheers Julian On Friday, 17 May 2013 22:06:45 UTC+10, Alan D. Salewski wrote: On Fri, May 17, 2013 at 02:10:02PM +0300, atkaaz spake thus: Ok, weird question: is there some clojure port on assembler yet? Even if(/especially if) it doesn't have jvm/java/javalibs support Or should I just check https://github.com/clojure/clojure-clr ? I'm mainly interested in low memory footprint and fast startup times (does clojure-clr have that?) You may want to check out ClojureScript, too. ClojureScript programs leveraging nodejs for host interop have fast startup times: https://github.com/clojure/clojurescript/wiki -- - a l a n d. s a l e w s k i sale...@att.netjavascript: 1024D/FA2C3588 EDFA 195F EDF1 0933 1002 6396 7C92 5CB3 FA2C 3588 - -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
seancorfield /clj-soap
Hoping someone has already explored this. Has anyone ever used clj-soap as a client and managed to pass in Basic authentication credentials? I tried putting them into the URL to the WSDL but that did seem to work… Off to read up on Axis 2… -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Getting highlighted clojure code into a presentation
I just present from within Emacs itself usually. But when fancier visuals are required I'll present from a browser with HTML produced by htmlize.el. Using a program that doesn't let you store the slide source as plain text (for version control) sounds like a bad idea. Phil -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: [ANN] - purnam 0.0.10 - angular.js language extensions
Hi, Thanks for the project , the language extensions are fantastic ! One of the problems I have had in working with cljs is the compatibility and awkward syntax in working with external js libs. This goes a long long way in resolving it. Thanks, Murtaza On Monday, May 13, 2013 5:28:00 AM UTC+5:30, zcaudate wrote: I had a vague description for purnam 0.0.9: https://groups.google.com/forum/?fromgroups=#!topic/clojure/AgZ_wVtdUFI Its the same code with a different read me... Get it here: https://github.com/zcaudate/purnam Excerpt: Features Purnam has three main components: 1. Angular Language Extensions 2. Jasmin Language Extensions for TDD with Karma 3. Clojurescript Language Extensions (which the previous two are built upon) Why not use lispyscript/coffeescript/clang? I like each of the languages for their own features: - coffeescript for its succinctness - lispyscript for its syntax and macros - clang for its sheer brilliance and audacity However, in using each language I did find some weaknesses - coffeescript and its ambiguous syntax that changes meaning with whitespace - lispyscript is too new for me and not widely adopted - clang is to ambitious in what it is trying to do (make angular work with clojure) and I think there are definite performance implications in doing so. The goal of this project is to provide opt-in language extensions for clojurescript to have the same sort of succintness when working with angular and all other javascript libraries. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: ANN lein-daemon, lein-test-out
Hey guys, Thank Allen Rohner for his lein-test-out. If you're using Leiningen 2 as well as I do and got some problem, please feel free to check out my branch at https://github.com/miaoski/lein-test-out before he has time to merge the pull request. In Trend Micro, we use Hudson and automated unit tests report generation is thus important. Easy to do that with lein-test-out + Ring/Mock. Great to stand on the shoulders of giants :) Zhemin. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: asm-based clojure yet?
Thanks very much everyone! I'm looking into all of those, but currently planning to read Julian's pdf. I didn't want to say anything until I had something definite, but just letting y'all know that I'm considering each recommendation. On Sat, May 18, 2013 at 7:12 AM, Julian juliangam...@gmail.com wrote: If you had a hobbyist interest in representing S-expressions in assembler - then you could take a look at the tutorial written by Abdulaziz Ghuloum called Compilers: Backend to Frontend and Back to Front Again. It used to be available here: http://www.cs.indiana.edu/~aghuloum/compilers-tutorial-2006-09-16.pdf I don't know if it available anywhere else on the internet - but I grabbed another copy and put it here: https://sites.google.com/site/juliangamble/Home/Compilers%20Tutorial%202006-09-16.pdf?attredirects=0d=1 For a more serious representation of Clojure's persistent data structures, I don't recommend trying to implement them in ASM. Cheers Julian On Friday, 17 May 2013 22:06:45 UTC+10, Alan D. Salewski wrote: On Fri, May 17, 2013 at 02:10:02PM +0300, atkaaz spake thus: Ok, weird question: is there some clojure port on assembler yet? Even if(/especially if) it doesn't have jvm/java/javalibs support Or should I just check https://github.com/clojure/**clojure-clrhttps://github.com/clojure/clojure-clr? I'm mainly interested in low memory footprint and fast startup times (does clojure-clr have that?) You may want to check out ClojureScript, too. ClojureScript programs leveraging nodejs for host interop have fast startup times: https://github.com/clojure/**clojurescript/wikihttps://github.com/clojure/clojurescript/wiki -- --**--**- a l a n d. s a l e w s k i sale...@att.net 1024D/FA2C3588 EDFA 195F EDF1 0933 1002 6396 7C92 5CB3 FA2C 3588 --**--**- -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Getting highlighted clojure code into a presentation
I feel silly for even suggesting but is pprint not good enough? do you need
colors? (unaware of what those do in emacs)
On Sat, May 18, 2013 at 6:42 AM, Korny Sietsma ko...@sietsma.com wrote:
Hi folks - I had to prepare some slides for a conference, and I struggled
to get nice looking clojure code onto a slide. I eventually arrived at the
following, but it's awfully clunky:
* write code in emacs
* turn off rainbow delimiters as html-fontify doesn't like them
* M-x load-theme whiteboard (for high contrast)
* M-x htmlfontify-buffer (and save)
* M-x browse-url-of-file (loads in Chrome)
* load same url in Safari as for some reason cut-and-paste from Chrome to
Powerpoint is broken
* copy code from Chrome
* paste-special into PowerPoint, as styled text
Yes, I know I can just take a screenshot, but that gives you a bitmap that
doesn't scale nicely or give you any ability to do last minute editing.
But the above gets tedious very fast - I wonder if there's a better option
I've missed?
- Korny
--
Kornelis Sietsma korny at my surname dot com http://korny.info
.fnord { display: none !important; }
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Re: Strange exception intializing clojure.core using Spring-Hadoop
I've some idea, but it may not be right; I'm thinking that clojure needs its own classloader and if that spring thing overriden it somehow, it's not going to work initing clojure, just like in minecraft bukkit server with clojure-based plugins, ie. https://github.com/CmdrDats/clj-minecraft/ I'm thinking maybe you need to do something similar with temporarily restoring clojure's classloader when clojure inits or something like that (I don't remember) but you may look at the code in clj-minecraft like here: https://github.com/CmdrDats/clj-minecraft/blob/master/javasrc/cljminecraft/BasePlugin.java#L56 What clojure version were you using when the above stacktrace happened? On Fri, May 17, 2013 at 7:38 PM, Dave Kincaid kincaid.d...@gmail.comwrote: 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 -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Strange exception intializing clojure.core using Spring-Hadoop
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.comwrote:
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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