=CRASH REPORT==== 25-Nov-2017::12:26:54 ===
  crasher:
    initial call: cowboy_stream_h:request_process/3
    pid: <0.424.0>
    registered_name: []
    exception exit: {{badmap,[]},
                     [{cowboy_req,reply,4,
                          [{file,"src/cowboy_req.erl"},{line,729}]},
                      {get_handler,init,2,
                          [{file,"src/get_handler.erl"},{line,22}]},
                      {cowboy_handler,execute,2,
                          [{file,"src/cowboy_handler.erl"},{line,37}]},
                      {cowboy_stream_h,execute,3,
                          [{file,"src/cowboy_stream_h.erl"},{line,247}]},
                      {cowboy_stream_h,request_process,3,
                          [{file,"src/cowboy_stream_h.erl"},{line,225}]},
                      {proc_lib,init_p_do_apply,3,
                          [{file,"proc_lib.erl"},{line,247}]}]}
      in function  cowboy_req:reply/4 (src/cowboy_req.erl, line 729)
      in call from get_handler:init/2 (src/get_handler.erl, line 22)
      in call from cowboy_handler:execute/2 (src/cowboy_handler.erl, line 37)
      in call from cowboy_stream_h:execute/3 (src/cowboy_stream_h.erl, line 247)
      in call from cowboy_stream_h:request_process/3 (src/cowboy_stream_h.erl, line 225)
    ancestors: [<0.423.0>,<0.370.0>,<0.369.0>,ranch_sup,<0.358.0>]
    messages: []
    links: [<0.423.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 610
    stack_size: 27
    reductions: 222
  neighbours:

=ERROR REPORT==== 25-Nov-2017::12:26:54 ===
Ranch listener my_http_listener, connection process <0.423.0>, stream 1 had its request process <0.424.0> exit with reason {badmap,[]} and stacktrace [{cowboy_req,reply,4,[{file,"src/cowboy_req.erl"},{line,729}]},{get_handler,init,2,[{file,"src/get_handler.erl"},{line,22}]},{cowboy_handler,execute,2,[{file,"src/cowboy_handler.erl"},{line,37}]},{cowboy_stream_h,execute,3,[{file,"src/cowboy_stream_h.erl"},{line,247}]},{cowboy_stream_h,request_process,3,[{file,"src/cowboy_stream_h.erl"},{line,225}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]