Assert failed error

[nageshis]

when i deploy war file in tomcat and try to run it, it gives the following exception, has anybody faced same issue, here is the stacktrace

type Exception report

message Servlet execution threw an exception

description The server encountered an internal error (Servlet execution threw an exception) that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception
root cause

java.lang.AssertionError: Assert failed: (every? valid-attr? attrs)
ring.middleware.cookies$writeattr_map.invoke(cookies.clj:95)
ring.middleware.cookies$write_cookies$iter580584$fn585.invoke(cookies.clj:112)
clojure.lang.LazySeq.sval(LazySeq.java:42)
clojure.lang.LazySeq.seq(LazySeq.java:56)
clojure.lang.RT.seq(RT.java:450)
clojure.core$seq.invoke(core.clj:122)
clojure.core$dorun.invoke(core.clj:2450)
clojure.core$doall.invoke(core.clj:2465)
ring.middleware.cookies$set_cookies.invoke(cookies.clj:122)
ring.middleware.cookies$wrap_cookies$fn599.invoke(cookies.clj:150)
noir.cookies$noir_cookies$fn1256.invoke(cookies.clj:66)
ring.middleware.cookies$wrap_cookies$fn599.invoke(cookies.clj:150)
noir.validation$wrap_noir_validation$fn1433.invoke(validation.clj:90)
noir.statuses$wrap_status_pages$fn1353.invoke(statuses.clj:34)
noir.exception$wrap_exceptions$fn1383.invoke(exception.clj:59)
noir.options$wrap_options$fn1344.invoke(options.clj:34)
ManagementConsoleWeb.servlet$_service$fn7742.invoke(servlet.clj:1)
ring.util.servlet$make_service_method$fn_725.invoke(servlet.clj:139)
ManagementConsoleWeb.servlet$_service.invoke(servlet.clj:1)
ManagementConsoleWeb.servlet.service(Unknown Source)