[  0] libc-2.12.so              __GI___waitpid
   [  1] traffic_server            crash_logger_invoke (Crash.cc:164)
   [  2] libc-2.12.so              0x2ab1b53cc510
   [  4] libc-2.12.so              _IO_vfprintf_internal
   [  5] libc-2.12.so              _IO_vsnprintf
   [  6] libc-2.12.so              snprintf
   [  7] traffic_server            TSClientRequestUuidGet (InkAPI.cc:9390)
   [  8] header_rewrite.so         ConditionId::append_value(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, Resources const&) (header_rewrite/conditions.cc:1158)
   [ 10] header_rewrite.so         OperatorSetHeader::exec(Resources const&) const (operators.cc:541)
   [ 13] header_rewrite.so         cont_rewrite_headers (header_rewrite.cc:303)
   [ 14] traffic_server            INKContInternal::handle_event(int, void*) (InkAPI.cc:1050)
   [ 15] traffic_server            HttpSM::state_api_callout(int, void*) (HttpSM.cc:1482)
   [ 17] traffic_server            HttpSM::set_next_state() (HttpSM.cc:7521)
   [ 18] traffic_server            HttpSM::call_transact_and_set_next_state(void (*)(HttpTransact::State*)) (HttpSM.cc:7271)
   [ 21] traffic_server            HttpSM::state_api_callout(int, void*) (HttpSM.cc:1565)
   [ 22] traffic_server            HttpSM::state_api_callback(int, void*) (HttpSM.cc:1360)
   [ 23] traffic_server            TSHttpTxnReenable (InkAPI.cc:5898)
   [ 24] propstats.so              PropstatInstance::event(tsapi_cont*, TSEvent, void*) (propstats/propstats.cc:271)
   [ 25] traffic_server            INKContInternal::handle_event(int, void*) (InkAPI.cc:1050)
   [ 26] traffic_server            HttpSM::state_api_callout(int, void*) (HttpSM.cc:1482)
   [ 29] traffic_server            HttpSM::set_next_state() (HttpSM.cc:7304)
   [ 30] traffic_server            HttpSM::call_transact_and_set_next_state(void (*)(HttpTransact::State*)) (HttpSM.cc:7271)
   [ 33] traffic_server            HttpSM::state_api_callout(int, void*) (HttpSM.cc:1565)
   [ 36] traffic_server            HttpSM::set_next_state() (HttpSM.cc:7304)
   [ 38] traffic_server            HttpSM::state_cache_open_read(int, void*) (HttpSM.cc:2630)
   [ 39] traffic_server            HttpSM::main_handler(int, void*) (HttpSM.cc:2692)
   [ 41] traffic_server            HttpCacheSM::state_cache_open_read(int, void*) (HttpCacheSM.cc:132)
   [ 43] traffic_server            CacheVC::callcont(int) (P_CacheInternal.h:653)
   [ 44] traffic_server            CacheVC::openReadStartHead(int, Event*) (CacheRead.cc:1158)
   [ 46] traffic_server            Cache::open_read(Continuation*, ats::CryptoHash const*, HTTPHdr*, CacheLookupHttpConfig*, CacheFragType, char const*, int) (CacheRead.cc:158)
   [ 48] traffic_server            CacheProcessor::open_read(Continuation*, HttpCacheKey const*, bool, HTTPHdr*, CacheLookupHttpConfig*, long, CacheFragType) (Cache.cc:3302)
   [ 50] traffic_server            HttpCacheSM::open_read(HttpCacheKey const*, URL*, HTTPHdr*, CacheLookupHttpConfig*, long) (HttpCacheSM.cc:287)