`
Clojure 1.7.0-master-SNAPSHOT
user=> #=(var a)
NullPointerException clojure.lang.Symbol.hashCode (Symbol.java:84)
user=> (.printStackTrace *e)
clojure.lang.LispReader$ReaderException: clojure.lang.LispReader$ReaderException: java.lang.NullPointerException
at clojure.lang.LispReader.read(LispReader.java:218)
at clojure.core$read.invoke(core.clj:3580)
at clojure.core$read.invoke(core.clj:3578)
at clojure.core$read.invoke(core.clj:3576)
at clojure.core$read.invoke(core.clj:3574)
at clojure.main$repl_read.invoke(main.clj:139)
at clojure.main$repl$read_eval_print__6807$fn__6808.invoke(main.clj:237)
at clojure.main$repl$read_eval_print__6807.invoke(main.clj:237)
at clojure.main$repl$fn__6816.invoke(main.clj:257)
at clojure.main$repl.doInvoke(main.clj:257)
at clojure.lang.RestFn.invoke(RestFn.java:421)
at clojure.main$repl_opt.invoke(main.clj:323)
at clojure.main$main.doInvoke(main.clj:421)
at clojure.lang.RestFn.invoke(RestFn.java:397)
at clojure.lang.Var.invoke(Var.java:375)
at clojure.lang.AFn.applyToHelper(AFn.java:152)
at clojure.lang.Var.applyTo(Var.java:700)
at clojure.main.main(main.java:37)
Caused by: clojure.lang.LispReader$ReaderException: java.lang.NullPointerException
at clojure.lang.LispReader.read(LispReader.java:218)
at clojure.lang.LispReader$CtorReader.invoke(LispReader.java:1164)
at clojure.lang.LispReader$DispatchReader.invoke(LispReader.java:609)
at clojure.lang.LispReader.read(LispReader.java:183)
... 17 more
Caused by: java.lang.NullPointerException
at clojure.lang.Symbol.hashCode(Symbol.java:84)
at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:332)
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:987)
at clojure.lang.Namespace.findOrCreate(Namespace.java:173)
at clojure.lang.RT.var(RT.java:341)
at clojure.lang.LispReader$EvalReader.invoke(LispReader.java:1042)
at clojure.lang.LispReader$DispatchReader.invoke(LispReader.java:616)
at clojure.lang.LispReader.read(LispReader.java:183)
... 20 more
`
If the var symbol doesn't contains namespace ,it will throw the NPE exception in above code.Instead,i think it should use Compiler.currentNS() when doesn't find the var's namespace.
The patch is attached, after patched:
`
Clojure 1.7.0-master-SNAPSHOT
user=> #=(var a)
'user/a
`
