gistfile1.txt

user=> (throw (ex-info "Deliberate exception" {:hello :world}))

ExceptionInfo Deliberate exception  clojure.core/ex-info (core.clj:4617)
user=> *e
#error {
 :cause "Deliberate exception"
 :data {:hello :world}
 :via
 [{:type clojure.lang.ExceptionInfo
   :message "Deliberate exception"
   :data {:hello :world}
   :at [clojure.core$ex_info invokeStatic "core.clj" 4617]}]
 :trace
 [[clojure.core$ex_info invokeStatic "core.clj" 4617]
  [clojure.core$ex_info invoke "core.clj" 4617]
  [user$eval1244 invokeStatic "form-init4966098281247973866.clj" 1]
  [user$eval1244 invoke "form-init4966098281247973866.clj" 1]
  [clojure.lang.Compiler eval "Compiler.java" 6927]
  [clojure.lang.Compiler eval "Compiler.java" 6890]
  [clojure.core$eval invokeStatic "core.clj" 3105]
  [clojure.core$eval invoke "core.clj" 3101]
  [clojure.main$repl$read_eval_print__7408$fn__7411 invoke "main.clj" 240]
  [clojure.main$repl$read_eval_print__7408 invoke "main.clj" 240]
  [clojure.main$repl$fn__7417 invoke "main.clj" 258]
  [clojure.main$repl invokeStatic "main.clj" 258]
  [clojure.main$repl doInvoke "main.clj" 174]
  [clojure.lang.RestFn invoke "RestFn.java" 1523]
  [clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__648 invoke "interruptible_eval.clj" 87]
  [clojure.lang.AFn applyToHelper "AFn.java" 152]
  [clojure.lang.AFn applyTo "AFn.java" 144]
  [clojure.core$apply invokeStatic "core.clj" 646]
  [clojure.core$with_bindings_STAR_ invokeStatic "core.clj" 1881]
  [clojure.core$with_bindings_STAR_ doInvoke "core.clj" 1881]
  [clojure.lang.RestFn invoke "RestFn.java" 425]
  [clojure.tools.nrepl.middleware.interruptible_eval$evaluate invokeStatic "interruptible_eval.clj" 85]
  [clojure.tools.nrepl.middleware.interruptible_eval$evaluate invoke "interruptible_eval.clj" 55]
  [clojure.tools.nrepl.middleware.interruptible_eval$interruptible_eval$fn__693$fn__696 invoke "interruptible_eval.clj" 222]
  [clojure.tools.nrepl.middleware.interruptible_eval$run_next$fn__688 invoke "interruptible_eval.clj" 190]
  [clojure.lang.AFn run "AFn.java" 22]
  [java.util.concurrent.ThreadPoolExecutor runWorker "ThreadPoolExecutor.java" 1142]
  [java.util.concurrent.ThreadPoolExecutor$Worker run "ThreadPoolExecutor.java" 617]
  [java.lang.Thread run "Thread.java" 745]]}
user=> (-> *e type)
clojure.lang.ExceptionInfo
user=> (-> *e ex-data)
{:hello :world}
user=> (-> *e ex-data :hello)
:world
user=>