I have something very strange going on when I try to write a map out to a
file and read it back in. It's a perfectly fine hash-map with ?????
key/values (so it's pretty big). When I write the map out to a file using
(spit "/tmp/mednotes6153968756847768349/repl-write.edn" (pr-str phrases))
and then read it back in with
(edn/read (PushbackReader. (io/reader
"/tmp/mednotes6153968756847768349/repl-write.edn")))
I am getting a duplicate key exception indicating that "? 5" is duplicated.
phrases is a clojure.lang.PersistentHashMap. The keys of the map are
strings and the values are numbers. When I get the value for "? 5" from the
map it returns 352.
I tried to grep the file to find the occurrences of the key "? 5" (and the
30 characters before and after it) and it seems to return 4 of them. The
second one is the right one from the map, but I have no idea where the
other 3 are coming from.
[/tmp/mednotes6153968756847768349]> egrep -o ".{30}\"\? 5\" .{30}"
repl-write.edn
hasing a toothbrush for" 160, "? 5" 32, ". ) during his /" 32, "to
"is intact with sutures" 32, "? 5" 352, "4.81 pounds" 128, "ceren
udden" 32, "being up all" 32, "? 5" 32, "limited financial means"
, "count , everytime she" 32, "? 5" 32, "had a partial mandibulect
Does anyone have an idea what might be happening when the map is written
out to the file? How is that key getting duplicated?
I have tried a few slightly different ways of writing to the file including
(spit "/tmp/mednotes6153968756847768349/repl-write.edn" (binding
[*print-dup* true] (pr-str phrases)))
and
(spit "/tmp/mednotes6153968756847768349/repl-write.edn" (.toString phrases))
based on some StackOverflow answers I found. They all seem to do the same
thing.
Here is the exception stack trace.
1. Caused by java.lang.IllegalArgumentException
Duplicate key: ? 5
PersistentHashMap.java: 67
clojure.lang.PersistentHashMap/createWithCheck
RT.java: 1538 clojure.lang.RT/map
EdnReader.java: 631
clojure.lang.EdnReader$MapReader/invoke
EdnReader.java: 142 clojure.lang.EdnReader/read
EdnReader.java: 108 clojure.lang.EdnReader/read
edn.clj: 35 clojure.edn/read
edn.clj: 33 clojure.edn/read
AFn.java: 154 clojure.lang.AFn/applyToHelper
AFn.java: 144 clojure.lang.AFn/applyTo
Compiler.java: 3623 clojure.lang.Compiler$InvokeExpr/eval
Compiler.java: 439 clojure.lang.Compiler$DefExpr/eval
Compiler.java: 6787 clojure.lang.Compiler/eval
Compiler.java: 6745 clojure.lang.Compiler/eval
core.clj: 3081 clojure.core/eval
main.clj: 240 clojure.main/repl/read-eval-print/fn
main.clj: 240 clojure.main/repl/read-eval-print
main.clj: 258 clojure.main/repl/fn
main.clj: 258 clojure.main/repl
RestFn.java: 1523 clojure.lang.RestFn/invoke
interruptible_eval.clj: 58
clojure.tools.nrepl.middleware.interruptible-eval/evaluate/fn
AFn.java: 152 clojure.lang.AFn/applyToHelper
AFn.java: 144 clojure.lang.AFn/applyTo
core.clj: 630 clojure.core/apply
core.clj: 1868 clojure.core/with-bindings*
RestFn.java: 425 clojure.lang.RestFn/invoke
interruptible_eval.clj: 56
clojure.tools.nrepl.middleware.interruptible-eval/evaluate
interruptible_eval.clj: 191
clojure.tools.nrepl.middleware.interruptible-eval/interruptible-eval/fn/fn
interruptible_eval.clj: 159
clojure.tools.nrepl.middleware.interruptible-eval/run-next/fn
AFn.java: 22 clojure.lang.AFn/run
ThreadPoolExecutor.java: 1142
java.util.concurrent.ThreadPoolExecutor/runWorker
ThreadPoolExecutor.java: 617
java.util.concurrent.ThreadPoolExecutor$Worker/run
Thread.java: 745 java.lang.Thread/run
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