Compiling guestbooktut.handler
Exception in thread "main" java.lang.RuntimeException: Unable to resolve symbol: o in this context, compiling:(guestbooktut/handler.clj:14:1)
        at clojure.lang.Compiler.analyze(Compiler.java:6380)
        at clojure.lang.Compiler.analyze(Compiler.java:6322)
        at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5708)
        at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5139)
        at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3751)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6558)
        at clojure.lang.Compiler.analyze(Compiler.java:6361)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6548)
        at clojure.lang.Compiler.analyze(Compiler.java:6361)
        at clojure.lang.Compiler.access$100(Compiler.java:37)
        at clojure.lang.Compiler$DefExpr$Parser.parse(Compiler.java:529)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6560)
        at clojure.lang.Compiler.analyze(Compiler.java:6361)
        at clojure.lang.Compiler.analyze(Compiler.java:6322)
        at clojure.lang.Compiler.compile1(Compiler.java:7148)
        at clojure.lang.Compiler.compile(Compiler.java:7219)
        at clojure.lang.RT.compile(RT.java:398)
        at clojure.lang.RT.load(RT.java:438)
        at clojure.lang.RT.load(RT.java:411)
        at clojure.core$load$fn__5018.invoke(core.clj:5530)
        at clojure.core$load.doInvoke(core.clj:5529)
        at clojure.lang.RestFn.invoke(RestFn.java:408)
        at clojure.core$load_one.invoke(core.clj:5336)
        at clojure.core$compile$fn__5023.invoke(core.clj:5541)
        at clojure.core$compile.invoke(core.clj:5540)
        at user$eval9.invoke(form-init2713849522641503822.clj:1)
        at clojure.lang.Compiler.eval(Compiler.java:6619)
        at clojure.lang.Compiler.eval(Compiler.java:6609)
        at clojure.lang.Compiler.load(Compiler.java:7064)
        at clojure.lang.Compiler.loadFile(Compiler.java:7020)
        at clojure.main$load_script.invoke(main.clj:294)
        at clojure.main$init_opt.invoke(main.clj:299)
        at clojure.main$initialize.invoke(main.clj:327)
        at clojure.main$null_opt.invoke(main.clj:362)
        at clojure.main$main.doInvoke(main.clj:440)
        at clojure.lang.RestFn.invoke(RestFn.java:421)
        at clojure.lang.Var.invoke(Var.java:419)
        at clojure.lang.AFn.applyToHelper(AFn.java:163)
        at clojure.lang.Var.applyTo(Var.java:532)
        at clojure.main.main(main.java:37)
Caused by: java.lang.RuntimeException: Unable to resolve symbol: o in this context
        at clojure.lang.Util.runtimeException(Util.java:219)
        at clojure.lang.Compiler.resolveIn(Compiler.java:6874)
        at clojure.lang.Compiler.resolve(Compiler.java:6818)
        at clojure.lang.Compiler.analyzeSymbol(Compiler.java:6779)
        at clojure.lang.Compiler.analyze(Compiler.java:6343)
        ... 39 more
Compilation failed: Subprocess failed