The following code works fine:
(doseq [x (xml-seq foo)] (println x))
However when I want to do more things in the doseq body, or I simply
add an extra set of parentheses around the println statement, I get a
nullpointer.
(doseq [x (xml-seq foo)] ((println x)))
java.lang.NullPointerException (NO_SOURCE_FILE:0)
user=> (.printStackTrace *e)
java.lang.NullPointerException (NO_SOURCE_FILE:0)
at clojure.lang.Compiler.eval(Compiler.java:4639)
at clojure.core$eval__5182.invoke(core.clj:1966)
at clojure.main$repl__7283$read_eval_print__7295.invoke(main.clj:180)
at clojure.main$repl__7283.doInvoke(main.clj:197)
at clojure.lang.RestFn.invoke(RestFn.java:426)
at clojure.main$repl_opt__7329.invoke(main.clj:251)
at clojure.main$legacy_repl__7354.invoke(main.clj:292)
at clojure.lang.Var.invoke(Var.java:359)
at clojure.main.legacy_repl(main.java:27)
at clojure.lang.Repl.main(Repl.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at jline.ConsoleRunner.main(ConsoleRunner.java:69)
Caused by: java.lang.NullPointerException
at user$eval__98.invoke(NO_SOURCE_FILE:11)
at clojure.lang.Compiler.eval(Compiler.java:4623)
... 14 more
nil
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