1: thread 1 making request thread 1 making request thread 1 making request thread 1 making request thread 1 making request thread 1 making request trying concurrent threads thread 1 making request thread 2 making request error/again error/again error/again thread 1: exception: gnutls-error (# write_to_session_record_port) Backtrace: In srfi/srfi-1.scm: 634:9 12 (for-each # …) In ice-9/boot-9.scm: 1736:10 11 (with-exception-handler _ _ #:unwind? _ # _) In ice-9/eval.scm: 619:8 10 (_ #(#(#(#(#(#) …) …) …) …)) 619:8 9 (_ #(#(#(#(#(#(#) …) …) …) …) …)) In srfi/srfi-1.scm: 634:9 8 (for-each # …) In unknown file: 7 (put-bytevector # #vu8(0 …) …) In web/http.scm: 2029:35 6 (flush) In unknown file: 5 (put-char # #\nul) In web/client.scm: 267:8 4 (write! #vu8(0 53 55 97 13 10 0 0 0 0 0 0 0 0 0 0 0 0 …) …) In unknown file: 3 (put-bytevector # # 0 …) In ice-9/boot-9.scm: 1669:16 2 (raise-exception _ #:continuable? _) 1764:13 1 (_ #<&compound-exception components: (#<&error> #<&irri…>) In unknown file: 0 (backtrace #) In srfi/srfi-1.scm: 634:9 11 (for-each # …) In ice-9/boot-9.scm: 1736:10 10 (with-exception-handler _ _ #:unwind? _ # _) In ice-9/eval.scm: 619:8 9 (_ #(#(#(#(#(#) …) …) …) …)) 619:8 8 (_ #(#(#(#(#(#(#) …) …) …) …) …)) In srfi/srfi-1.scm: 634:9 7 (for-each # …) In unknown file: 6 (put-bytevector # #vu8(0 …) …) In web/http.scm: 2029:35 5 (flush) In unknown file: 4 (put-char # #\nul) In web/client.scm: 267:8 3 (write! _ _ 1024) In unknown file: 2 (put-bytevector # # 0 …) In ice-9/boot-9.scm: 1669:16 1 (raise-exception _ #:continuable? _) 1669:16 0 (raise-exception _ #:continuable? _) ice-9/boot-9.scm:1669:16: In procedure raise-exception: Throw to key `gnutls-error' with args `(# write_to_session_record_port)'. warning: SIGPIPE thread 2 making request In procedure write_to_session_record_port: Wrong type argument in position 1: #