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Asked: 2026-05-10T22:39:15+00:00

When I try to run the following code (from the REPL) in Clojure: (dotimes

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When I try to run the following code (from the REPL) in Clojure:

(dotimes [i 5]   (.start    (Thread.     (fn []       (Thread/sleep (rand 1000))       (println (format 'Finished %d on %s' i (Thread/currentThread)))))))

I get the following error:

java.lang.Exception: Unable to resolve symbol: i in this context clojure.lang.Compiler$CompilerException: NO_SOURCE_FILE:6: Unable to resolve symbol: i in this context         at clojure.lang.Compiler.analyze(Compiler.java:3713)

What am I doing wrong here?

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1 Answer

  1. Your code works for me using the latest SVN (1144).

    user> (dotimes [i 5] (.start (Thread. (fn [] (Thread/sleep (rand 1000)) (println (format 'Finished %d on %s' i (Thread/currentThread)))))))  Finished 0 on Thread[Thread-16,5,main] Finished 4 on Thread[Thread-20,5,main] Finished 3 on Thread[Thread-19,5,main] Finished 1 on Thread[Thread-17,5,main] Finished 2 on Thread[Thread-18,5,main]

    Are you using the September 16 release? You almost have to use the SVN version of Clojure. It’s changing way too fast.

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