Closed ebrevdo closed 11 years ago
Hmm... I guess this one will be difficult to debug. Can you try again with C-u M-x ein:dev-start-debug
(with the universal prefix key C-u
this time)? I think you will get a backtrace. Please paste it here.
Here's the backtrace:
Debugger entered--Lisp error: (websocket-closed . [cl-struct-websocket-frame text "{\"header\":{\"msg_id\":\"f78b0588-7ea8-4821-b6df-a7a44d2e5568\",\"username\":\"username\",\"session\":\"38e0581a-3a4e-430e-9d4a-0775ef025c8d\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').stdout.write(__import__('os').getcwd())\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}" nil t])
signal(websocket-closed [cl-struct-websocket-frame text "{\"header\":{\"msg_id\":\"f78b0588-7ea8-4821-b6df-a7a44d2e5568\",\"username\":\"username\",\"session\":\"38e0581a-3a4e-430e-9d4a-0775ef025c8d\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').stdout.write(__import__('os').getcwd())\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}" nil t])
(if ... nil ...)
websocket-send([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] [cl-struct-websocket-frame text "{\"header\":{\"msg_id\":\"f78b0588-7ea8-4821-b6df-a7a44d2e5568\",\"username\":\"username\",\"session\":\"38e0581a-3a4e-430e-9d4a-0775ef025c8d\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').stdout.write(__import__('os').getcwd())\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}" nil t])
websocket-send-text([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] "{\"header\":{\"msg_id\":\"f78b0588-7ea8-4821-b6df-a7a44d2e5568\",\"username\":\"username\",\"session\":\"38e0581a-3a4e-430e-9d4a-0775ef025c8d\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').stdout.write(__import__('os').getcwd())\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}")
ein:websocket-send([cl-struct-ein:$websocket [cl-struct-websocket open #0 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "{\"header\":{\"msg_id\":\"f78b0588-7ea8-4821-b6df-a7a44d2e5568\",\"username\":\"username\",\"session\":\"38e0581a-3a4e-430e-9d4a-0775ef025c8d\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').stdout.write(__import__('os').getcwd())\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}")
(let* ... ... ... ... msg-id)
(progn ... ...)
(let* ... ... ...)
ein:kernel-execute([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] "__import__('sys').stdout.write(__import__('os').getcwd())" (:output ...))
ein:kernel-request-stream([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] "__import__('sys').stdout.write(__import__('os').getcwd())" (lambda ... ...) ([object ein:kernelinfo "ein:kernelinfo" [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #3 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #3 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] ... unbound unbound]))
ein:kernelinfo-update-ccwd([object ein:kernelinfo "ein:kernelinfo" [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] ... unbound unbound])
ein:kernelinfo-update-all([object ein:kernelinfo "ein:kernelinfo" [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] ... unbound unbound])
apply(ein:kernelinfo-update-all [object ein:kernelinfo "ein:kernelinfo" [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] ... unbound unbound] nil)
ein:funcall-packed((ein:kernelinfo-update-all . [object ein:kernelinfo "ein:kernelinfo" [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #3 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #3 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...] ... unbound unbound]))
mapc(ein:funcall-packed (... ...))
ein:kernel-run-after-start-hook([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "mIfpALeoarjg7JP8/W9C5g0a40Q=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "38e0581a-3a4e-430e-9d4a-0775ef025c8d" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... ...])
(progn ...)
(if ... ...)
(lambda ... ... ...)(--host-- --kernel-- --channel--)
apply((lambda ... ... ...) --host-- --kernel-- --channel-- nil)
(lambda ... ...)()
apply((lambda ... ...) nil)
(if it ...)
(let ... ...)
(let ... ...)
(lambda ... ...)([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil])
apply((lambda ... ...) [cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil])
(condition-case err ... ...)
(if websocket-callback-debug-on-error ... ...)
(let ... ... ...)
websocket-try-callback(websocket-on-open on-open [cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil])
(progn ... ... ...)
(if ... ...)
(let ... ... ... ...)
websocket-outer-filter([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "YGKj8YOByrL0iQSAr2TIWDcMQVs=" nil] "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: YGKj8YOByrL0iQSAr2TIWDcMQVs=
\n
\n")
(let ... ...)
(lambda ... ...)(#<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: YGKj8YOByrL0iQSAr2TIWDcMQVs=
\n
\n")
Here's the websocket shell debug:
[WS] Sending handshake, key: CyJnm9p1cLD0jUR4rxaQ7A==, acceptance: mIfpALeoarjg7JP8/W9C5g0a40Q=
[WS] Websocket opened
[WS] Received: HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: mIfpALeoarjg7JP8/W9C5g0a40Q=
[WS] Checking for accept header: Sec-WebSocket-Accept: mIfpALeoarjg7JP8/W9C5g0a40Q=
[WS] Checking for upgrade header
[WS] Checking for connection header
[WS] Sending frame, opcode: text payload: username=
[WS] Sending frame, opcode: text payload: {"header":{"msg_id":"f78b0588-7ea8-4821-b6df-a7a44d2e5568","username":"username","session":"38e0581a-3a4e-430e-9d4a-0775ef025c8d","msg_type":"execute_request"},"metadata":{},"content":{"code":"__import__('sys').stdout.write(__import__('os').getcwd())","silent":true,"user_variables":[],"user_expressions":{},"allow_stdin":false},"parent_header":{}}
[WS] Closing websocket
[WS] State change to deleted
[WS] Sending handshake, key: dSC1ld/DadstRghnU0fezQ==, acceptance: 68PV+c4jKqWUIu78YIKhlzj6bEo=
[WS] Websocket opened
[WS] Received: HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: 68PV+c4jKqWUIu78YIKhlzj6bEo=
[WS] Checking for accept header: Sec-WebSocket-Accept: 68PV+c4jKqWUIu78YIKhlzj6bEo=
[WS] Checking for upgrade header
[WS] Checking for connection header
Please use triple backquotes when pasting backtrace and logs, otherwise they are not readable. I edited your comment above.
You should have two WS logs "shell" and "iopub". You can open them using ein:dev-pop-to-debug-shell
and ein:dev-pop-to-debug-iopub
. I suppose you pasted shell one. Can you paste the iopub one (or both and backtrace, if you already closed the Emacs process)?
But I don't know what is happning here. websocket-closed
error is raised even though websocket-send
is called from on-open callback.
Here is a somewhat brute force fix. What happens if you evaluate the following and then open the notebook? Do you still get the error?
(defun ein:kernelinfo-new (kernel get-buffers)
)
This code just skips extra stuff going on in on-open callback. Normally you should be able to use EIN without steps in this function.
Here's the iopub debug:
[WS] Sending handshake, key: 8CjdFVYxW/zgzfma37hEng==, acceptance: YGKj8YOByrL0iQSAr2TIWDcMQVs=
[WS] Websocket opened
[WS] Received: HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: YGKj8YOByrL0iQSAr2TIWDcMQVs=
[WS] Checking for accept header: Sec-WebSocket-Accept: YGKj8YOByrL0iQSAr2TIWDcMQVs=
[WS] Checking for upgrade header
[WS] Checking for connection header
[WS] Sending frame, opcode: text payload: username=
When I create an empty kernelinfo-new, here's the new backtrace:
Debugger entered--Lisp error: (error "ein:$websocket-onclose accessing a non-ein:$websocket")
signal(error ("ein:$websocket-onclose accessing a non-ein:$websocket"))
error("%s accessing a non-%s" ein:$websocket-onclose ein:$websocket)
(or ... ...)
(progn ... ...)
(let ... ...)
(let ... ...)
(lambda ... ...)([cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "KK/EAyM/9UTFGhJjgv4jbrJcFHo=" nil])
apply((lambda ... ...) [cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "KK/EAyM/9UTFGhJjgv4jbrJcFHo=" nil])
(condition-case err ... ...)
(if websocket-callback-debug-on-error ... ...)
(let ... ... ...)
websocket-try-callback(websocket-on-close on-close [cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "KK/EAyM/9UTFGhJjgv4jbrJcFHo=" nil])
(if ... nil ...)
(let ... ... ...)
(lambda ... ...)(#<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> "deleted\n")
kill-buffer(#<buffer *websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell*>)
(let ... ... ...)
websocket-close([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil])
(if ... nil ... ...)
websocket-ensure-connected([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil])
websocket-send([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] [cl-struct-websocket-frame text "{\"header\":{\"msg_id\":\"ab0ee531-54b5-4436-ae71-e06f2fdfcf90\",\"username\":\"username\",\"session\":\"08cd602f-28c5-4261-bfb4-734f18564c7a\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').path.append('\\/tmp\\/emacs-ipython-notebook\\/lisp\\/')\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}" nil t])
websocket-send-text([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] "{\"header\":{\"msg_id\":\"ab0ee531-54b5-4436-ae71-e06f2fdfcf90\",\"username\":\"username\",\"session\":\"08cd602f-28c5-4261-bfb4-734f18564c7a\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').path.append('\\/tmp\\/emacs-ipython-notebook\\/lisp\\/')\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}")
ein:websocket-send([cl-struct-ein:$websocket [cl-struct-websocket open #0 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "{\"header\":{\"msg_id\":\"ab0ee531-54b5-4436-ae71-e06f2fdfcf90\",\"username\":\"username\",\"session\":\"08cd602f-28c5-4261-bfb4-734f18564c7a\",\"msg_type\":\"execute_request\"},\"metadata\":{},\"content\":{\"code\":\"__import__('sys').path.append('\\/tmp\\/emacs-ipython-notebook\\/lisp\\/')\",\"silent\":true,\"user_variables\":[],\"user_expressions\":{},\"allow_stdin\":false},\"parent_header\":{}}")
(let* ... ... ... ... msg-id)
(progn ... ...)
(let* ... ... ...)
ein:kernel-execute([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "08cd602f-28c5-4261-bfb4-734f18564c7a" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... nil] "__import__('sys').path.append('/tmp/emacs-ipython-notebook/lisp/')")
ein:pytools-add-sys-path([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "08cd602f-28c5-4261-bfb4-734f18564c7a" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... nil])
apply(ein:pytools-add-sys-path [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "08cd602f-28c5-4261-bfb4-734f18564c7a" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... nil] nil)
ein:funcall-packed((ein:pytools-add-sys-path . [cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #2 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "08cd602f-28c5-4261-bfb4-734f18564c7a" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... nil]))
mapc(ein:funcall-packed (...))
ein:kernel-run-after-start-hook([cl-struct-ein:$kernel 8888 [object ein:events "ein:events" #s(hash-table size 65 test eq rehash-size 1.5 rehash-threshold 0.8 data (maybe_reset_undo\.Worksheet ... set_next_input\.Worksheet ... set_dirty\.Worksheet ... open_with_text\.Pager ... status_idle\.Kernel ... status_busy\.Kernel ... status_dead\.Kernel ... notebook_saving\.Notebook ... notebook_saved\.Notebook ... notebook_save_failed\.Notebook ... execution_count\.Kernel ... status_restarting\.Kernel ... ...))] "bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell<1>> nil "zYZQQL8oEhePmFXWEgXqCzAONb8=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] [cl-struct-ein:$websocket [cl-struct-websocket open #1 ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] ... nil ein:kernel--ws-closed-callback ... ... nil nil] "/kernels" "/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" "ws://127.0.0.1:8888" t "username" "08cd602f-28c5-4261-bfb4-734f18564c7a" #s(hash-table size 65 test equal rehash-size 1.5 rehash-threshold 0.8 data ( ...)) ... nil])
(progn ...)
(if ... ...)
(lambda ... ... ...)(--host-- --kernel-- --channel--)
apply((lambda ... ... ...) --host-- --kernel-- --channel-- nil)
(lambda ... ...)()
apply((lambda ... ...) nil)
(if it ...)
(let ... ...)
(let ... ...)
(lambda ... ...)([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil])
apply((lambda ... ...) [cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil])
(condition-case err ... ...)
(if websocket-callback-debug-on-error ... ...)
(let ... ... ...)
websocket-try-callback(websocket-on-open on-open [cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil])
(progn ... ... ...)
(if ... ...)
(let ... ... ... ...)
websocket-outer-filter([cl-struct-websocket open [cl-struct-ein:$websocket #0 ... nil ein:kernel--ws-closed-callback ... ... nil nil] ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> nil "PFIrL/4DDcV4HC2mYv863yP1J68=" nil] "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: PFIrL/4DDcV4HC2mYv863yP1J68=
\n
\n")
(let ... ...)
(lambda ... ...)(#<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/iopub> "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: PFIrL/4DDcV4HC2mYv863yP1J68=
\n
\n")
Ah, so that was not enough. How about this:
(defun ein:kernel-run-after-start-hook (kernel))
Redefined both and here's the new backtrace:
Debugger entered--Lisp error: (error "ein:$websocket-onopen accessing a non-ein:$websocket")
signal(error ("ein:$websocket-onopen accessing a non-ein:$websocket"))
error("%s accessing a non-%s" ein:$websocket-onopen ein:$websocket)
(or ... ...)
(progn ... ...)
(let ... ...)
(let ... ...)
(lambda ... ...)([cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "FVB2Rp+Yp1Xvf1OInAl3GFoxthw=" nil])
apply((lambda ... ...) [cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "FVB2Rp+Yp1Xvf1OInAl3GFoxthw=" nil])
(condition-case err ... ...)
(if websocket-callback-debug-on-error ... ...)
(let ... ... ...)
websocket-try-callback(websocket-on-open on-open [cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "FVB2Rp+Yp1Xvf1OInAl3GFoxthw=" nil])
(progn ... ... ...)
(if ... ...)
(let ... ... ... ...)
websocket-outer-filter([cl-struct-websocket open nil ... ... ... websocket-default-error-handler nil nil nil "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell" nil nil #<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> nil "FVB2Rp+Yp1Xvf1OInAl3GFoxthw=" nil] "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: FVB2Rp+Yp1Xvf1OInAl3GFoxthw=
\n
\n")
(let ... ...)
(lambda ... ...)(#<process websocket to ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b/shell> "HTTP/1.1 101 Switching Protocols
\nUpgrade: websocket
\nConnection: Upgrade
\nSec-WebSocket-Accept: FVB2Rp+Yp1Xvf1OInAl3GFoxthw=
\n
\n")
After debugging a bit more, it looks like the port I was connected to (8888) was owned by a zombie ipython notebook that was not associated with my uid (which is why I didn't see it earlier). After killing it, all the problems go away. I can use ein in my standard emacs environment with no issue whatsoever. Using ipython notebook --pylab inline works fine too.
Sorry for creating so much trouble! I wonder if the existing debug messages are sufficient to identify when the issue is on the server side? Will close this bug now.
Well, I learned some lessons and reflected them to the bug report template: 7f17f3bc4314d7089627d99049d674f67e6ed8d1
On OS X, running emacs/ein via:
$ EMACS=/usr/local/Cellar/emacs/HEAD/Emacs.app/Contents/MacOS/Emacs lisp/zeroein.el
Steps to reproduce the problem
Expected output
The notebook opens, no error messages.
Your EIN configuration (in .emacs.d/init.el or somewhere else)
using zeroein
Your IPython configuration
ipython --version
):$ ipython --version 0.13.1
ipython notebook --port 9999
):ipython notebook
localhost:8888
Additional information (if any)
ipython + zmq installed installed by pip. zeromq=3.2.2 installed via brew (pyzmq uses this version). tornado in ipython version 2.4.1, pyzmq version 13.0.0.
System info:
Messages
debug-on-error=t websocket-debug=t websocket-callback-debug-on-error=nil ein:debug=t ein:log-level=debug ein:log-message-level=verbose ein: [info] Opening notebook 62a49637-6b89-454d-bd2f-2ccf94e89fa1... ein: [info] Worksheet Untitled0 is ready Making mumamo-bug-3467-w14 local to temp while let-bound! Tested for Bug 3467 => PASSED ein: [info] Notebook Untitled0 is ready ein: [info] Kernel started: bbbb69e9-11e1-4b50-ae1d-97f829d6a06b ein: [info] Starting WS: "ws://127.0.0.1:8888/kernels/bbbb69e9-11e1-4b50-ae1d-97f829d6a06b" Error found in callback
on-open': [cl-struct-websocket-frame text {"header":{"msg_id":"ca13c350-904d-4d01-9c00-5704851e363d","username":"username","session":"c4df7ad1-167e-4eda-8e7e-b1f592d6e8d9","msg_type":"execute_request"},"metadata":{},"content":{"code":"__import__('sys').stdout.write(__import__('os').getcwd())","silent":true,"user_variables":[],"user_expressions":{},"allow_stdin":false},"parent_header":{}} nil t] Error found in callback
on-open': (ein:$websocket-onopen accessing a non-ein:$websocket) Mark set [3 times]websocket ws:///..../shell debug
[WS] Sending handshake, key: ZmplzHUA5XVNauqzmDppSA==, acceptance: j3zAZFvRpdQxQyRGIH7NORDvUfk= [WS] Websocket opened [WS] Received: HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: j3zAZFvRpdQxQyRGIH7NORDvUfk=
[WS] Checking for accept header: Sec-WebSocket-Accept: j3zAZFvRpdQxQyRGIH7NORDvUfk= [WS] Checking for upgrade header [WS] Checking for connection header [WS] Sending frame, opcode: text payload: username= [WS] Sending frame, opcode: text payload: {"header":{"msg_id":"ca13c350-904d-4d01-9c00-5704851e363d","username":"username","session":"c4df7ad1-167e-4eda-8e7e-b1f592d6e8d9","msg_type":"execute_request"},"metadata":{},"content":{"code":"import('sys').stdout.write(import('os').getcwd())","silent":true,"user_variables":[],"user_expressions":{},"allow_stdin":false},"parent_header":{}} [WS] Closing websocket [WS] State change to deleted
[WS] Sending handshake, key: IfcUBziTB2WzxAzQkfbczg==, acceptance: JC5x68G56ATrQ6hOHzc5aREqIZc= [WS] Websocket opened [WS] Received: HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: JC5x68G56ATrQ6hOHzc5aREqIZc=
[WS] Checking for accept header: Sec-WebSocket-Accept: JC5x68G56ATrQ6hOHzc5aREqIZc= [WS] Checking for upgrade header [WS] Checking for connection header