rabbitmq Management get exchanges detail 500

[501956430]

url：http://localhost:15672/api/exchanges/%2F/amq.rabbitmq.trace?msg_rates_age=3600&msg_rates_incr=60

rabbitmq-server logs:

`
2021-06-16 10:22:48.703 [error] <0.728.0> ** Generic server <0.728.0> terminating

** Last message in was {submit,#Fun<rabbit_mgmt_db.21.65865303>,<0.1082.0>,reuse}

** When Server state == {from,<0.1082.0>,#Ref<0.1174022449.1144520705.180573>}

** Reason for termination ==

** {{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}

2021-06-16 10:22:48.704 [info] <0.728.0> [{initial_call,{worker_pool_worker,init,['Argument__1']}},{pid,<0.728.0>},{registered_name,[]},{error_info,{exit,{{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]},[{gen_server2,terminate,3,[{file,"src/gen_server2.erl"},{line,1183}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}},{ancestors,[management_worker_pool_sup,rabbit_mgmt_sup,rabbit_mgmt_sup_sup,<0.556.0>]},{message_queue_len,0},{messages,[]},{links,[<0.585.0>]},{dictionary,[{worker_pool_name,management_worker_pool},{rand_seed,{#{jump => #Fun<rand.3.92093067>,max => 288230376151711743,next => #Fun<rand.5.92093067>,type => exsplus},[159960299286989396|272339598498361585]}},{worker_pool_worker,true}]},{trap_exit,false},{status,running},{heap_size,987},{stack_size,28},{reductions,809}], []

2021-06-16 10:22:48.704 [error] <0.728.0> CRASH REPORT Process <0.728.0> with 0 neighbours exited with reason: {{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]} in gen_server2:terminate/3 line 1183

2021-06-16 10:22:48.704 [info] <0.1082.0> [{initial_call,{cowboy_stream_h,request_process,['Argument__1','Argument__2','Argument__3']}},{pid,<0.1082.0>},{registered_name,[]},{error_info,{exit,{{{{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]},{gen_server2,call,[<0.728.0>,{submit,#Fun<rabbit_mgmt_db.21.65865303>,<0.1082.0>,reuse},infinity]}},[{gen_server2,call,3,[{file,"src/gen_server2.erl"},{line,346}]},{rabbit_mgmt_wm_exchange,to_json,2,[{file,"src/rabbit_mgmt_wm_exchange.erl"},{line,44}]},{cowboy_rest,call,3,[{file,"src/cowboy_rest.erl"},{line,1575}]},{cowboy_rest,set_resp_body,2,[{file,"src/cowboy_rest.erl"},{line,1464}]},{cowboy_rest,upgrade,4,[{file,"src/cowboy_rest.erl"},{line,284}]},{cowboy_stream_h,execute,3,[{file,"src/cowboy_stream_h.erl"},{line,300}]},{cowboy_stream_h,request_process,3,[{file,"src/cowboy_stream_h.erl"},{line,291}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]},[{gen_server2,call,3,[{file,"src/gen_server2.erl"},{line,346}]},{rabbit_mgmt_wm_exchange,to_json,2,[{file,"src/rabbit_mgmt_wm_exchange.erl"},{line,44}]},{cowboy_rest,call,3,[{file,"src/cowboy_rest.erl"},{line,1575}]},{cowboy_rest,set_resp_body,2,[{file,"src/cowboy_rest.erl"},{line,1464}]},{cowboy_rest,upgrade,4,[{file,"src/cowboy_rest.erl"},{line,284}]},{cowboy_stream_h,execute,3,[{file,"src/cowboy_stream_h.erl"},{line,300}]},{cowboy_stream_h,request_process,3,[{file,"src/cowboy_stream_h.erl"},{line,291}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]}},{ancestors,[<0.1036.0>,<0.568.0>,<0.560.0>,<0.559.0>,<0.557.0>,rabbit_web_dispatch_sup,<0.546.0>]},{message_queue_len,0},{messages,[]},{...},...], []

2021-06-16 10:22:48.705 [error] <0.1082.0> CRASH REPORT Process <0.1082.0> with 0 neighbours exited with reason: {{{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]},...} in gen_server2:call/3 line 346 in gen_server2:call/3 line 346

2021-06-16 10:22:48.705 [info] <0.585.0> supervisor: {local,management_worker_pool_sup}, errorContext: child_terminated, reason: {{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]}, offender: [{pid,<0.728.0>},{id,1},{mfargs,{worker_pool_worker,start_link,[management_worker_pool]}},{restart_type,transient},{significant,false},{shutdown,4294967295},{child_type,worker}]

2021-06-16 10:22:48.705 [error] <0.585.0> Supervisor management_worker_pool_sup had child 1 started with worker_pool_worker:start_link(management_worker_pool) at <0.728.0> exit with reason {{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]} in context child_terminated

2021-06-16 10:22:48.705 [error] <0.1036.0> Ranch listener {acceptor,{0,0,0,0,0,0,0,0},15672}, connection process <0.1036.0>, stream 25 had its request process <0.1082.0> exit with reason {{{badkey,{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>}},[{erlang,map_get,[{resource,<<"/">>,exchange,<<"amq.rabbitmq.trace">>},#{}],[{error_info,#{module => erl_erts_errors}}]},{rabbit_mgmt_db,'-detail_exchange_stats/3-lc$^1/1-1-',4,[{file,"src/rabbit_mgmt_db.erl"},{line,548}]},{worker_pool_worker,handle_call,3,[{file,"src/worker_pool_worker.erl"},{line,96}]},{gen_server2,handle_msg,2,[{file,"src/gen_server2.erl"},{line,1046}]},{proc_lib,wake_up,3,[{file,"proc_lib.erl"},{line,236}]}]},{gen_server2,call,[<0.728.0>,{submit,#Fun<rabbit_mgmt_db.21.65865303>,<0.1082.0>,reuse},infinity]}} and stacktrace [{gen_server2,call,3,[{file,"src/gen_server2.erl"},{line,346}]},{rabbit_mgmt_wm_exchange,to_json,2,[{file,"src/rabbit_mgmt_wm_exchange.erl"},{line,44}]},{cowboy_rest,call,3,[{file,"src/cowboy_rest.erl"},{line,1575}]},{cowboy_rest,set_resp_body,2,[{file,"src/cowboy_rest.erl"},{line,1464}]},{cowboy_rest,upgrade,4,[{file,"src/cowboy_rest.erl"},{line,284}]},{cowboy_stream_h,execute,3,[{file,"src/cowboy_stream_h.erl"},{line,300}]},{cowboy_stream_h,request_process,3,[{file,"src/cowboy_stream_h.erl"},{line,291}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]

`

[michaelklishin]

I will convert this issue to a GitHub discussion. Currently GitHub will automatically close and lock the issue even though your question will be transferred and responded to elsewhere. This is to let you know that we do not intend to ignore this but this is how the current GitHub conversion mechanism makes it seem for the users :(