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java.lang.NullPointerException: null	at clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:301)	at puppetlabs.puppetdb.mq_listener$reify__29819$service_fnk__20134__auto___positional$reify__29829.stop(mq_listener.clj:388)	at puppetlabs.trapperkeeper.services$eval19970$fn__19997$G__19962__20000.invoke(services.clj:8)	at puppetlabs.trapperkeeper.services$eval19970$fn__19997$G__19961__20004.invoke(services.clj:8)	at puppetlabs.trapperkeeper.internal$run_lifecycle_fn_BANG_.invoke(internal.clj:152)	at puppetlabs.trapperkeeper.internal$shutdown_BANG_$fn__20544.invoke(internal.clj:320)	at puppetlabs.trapperkeeper.internal$shutdown_BANG_.invoke(internal.clj:319)	at puppetlabs.trapperkeeper.core$run_app.invoke(core.clj:133)	at puppetlabs.trapperkeeper.core$run.invoke(core.clj:148)	at puppetlabs.trapperkeeper.core$main.doInvoke(core.clj:161)	at clojure.lang.RestFn.applyTo(RestFn.java:137)	at clojure.core$apply.invoke(core.clj:628)	at puppetlabs.puppetdb.cli.services$fn__26524.doInvoke(services.clj:371)	at clojure.lang.RestFn.applyTo(RestFn.java:137)	at clojure.core$apply.invoke(core.clj:628)	at puppetlabs.puppetdb.utils$wrap_main$fn__6942$fn__6944.invoke(utils.clj:201)	at puppetlabs.puppetdb.utils$wrap_main$fn__6942.doInvoke(utils.clj:200)	at clojure.lang.RestFn.invoke(RestFn.java:421)	at clojure.lang.Var.invoke(Var.java:383)	at clojure.lang.AFn.applyToHelper(AFn.java:156)	at clojure.lang.Var.applyTo(Var.java:700)	at clojure.core$apply.invoke(core.clj:628)	at puppetlabs.puppetdb.core$run_command.invoke(core.clj:83)	at puppetlabs.puppetdb.core$_main.doInvoke(core.clj:91)	at clojure.lang.RestFn.invoke(RestFn.java:436)	at clojure.lang.Var.invoke(Var.java:388)	at user$eval796.invoke(form-init8180642857868429837.clj:1)	at clojure.lang.Compiler.eval(Compiler.java:6792)	at clojure.lang.Compiler.eval(Compiler.java:6782)	at clojure.lang.Compiler.load(Compiler.java:7237)	at clojure.lang.Compiler.loadFile(Compiler.java:7175)	at clojure.main$load_script.invoke(main.clj:275)	at clojure.main$init_opt.invoke(main.clj:280)	at clojure.main$initialize.invoke(main.clj:308)	at clojure.main$null_opt.invoke(main.clj:343)	at clojure.main$main.doInvoke(main.clj:421)	at clojure.lang.RestFn.invoke(RestFn.java:421)	at clojure.lang.Var.invoke(Var.java:383)	at clojure.lang.AFn.applyToHelper(AFn.java:156)	at clojure.lang.Var.applyTo(Var.java:700)	at clojure.main.main(main.java:37)