Hello, When I try to use Emacs with Tern package, I get error 'Request failed: (nil)'. I submit bug to project maintainer and we found that this bug in Emacs. Link to issue: https://github.com/marijnh/tern/issues/605 In GNU Emacs 25.0.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.10.8) of 2015-05-19 on lcy01-07 Windowing system distributor `The X.Org Foundation', version 11.0.11501000 System Description: Linux Mint 17.2 Rafaela Configured using: `configure --build=x86_64-linux-gnu --prefix=/usr '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' --sysconfdir=/etc --localstatedir=/var '--libdir=${prefix}/lib/x86_64-linux-gnu' '--libexecdir=${prefix}/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --prefix=/usr --sharedstatedir=/var/lib --program-suffix=-snapshot --with-x=yes --with-x-toolkit=gtk3 'CFLAGS=-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security' CPPFLAGS=-D_FORTIFY_SOURCE=2 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro'' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB Important settings: value of $LANG: ru_RU.UTF-8 locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: global-auto-complete-mode: t global-nlinum-mode: t projectile-global-mode: t helm-mode: t shell-dirtrack-mode: t which-key-mode: t show-paren-mode: t delete-selection-mode: t tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t line-number-mode: t Recent messages: which-key: echo-keystrokes changed from 1 to 0 ad-handle-definition: `tramp-read-passwd' got redefined Turn on helm-projectile key bindings Eshell virtualenv support initialized. For information about GNU Emacs and the GNU system, type C-h C-a. Load-path shadows: /usr/share/emacs/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/25.0.50/lisp/textmodes/flyspell /usr/share/emacs/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/25.0.50/lisp/textmodes/ispell Features: (shadow sort mail-extr emacsbug message rfc822 mml mml-sec mailabbrev gmm-utils mailheader sendmail mail-utils winner powerline powerline-separators color flycheck find-func help-mode subr-x flymake wombat-theme virtualenvwrapper auto-complete-config auto-complete popup nlinum linum powerline-themes helm-projectile projectile ibuf-ext ibuffer helm-mode helm-files rx image-dired tramp tramp-compat tramp-loaddefs trampver shell pcomplete format-spec dired-x dired-aux ffap thingatpt helm-buffers helm-elscreen helm-tags helm-bookmark helm-adaptive helm-info bookmark pp helm-locate helm-grep helm-regexp helm-plugin helm-external helm-net browse-url xml url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util url-parse auth-source gnus-util password-cache url-vars mailcap helm-utils compile comint ansi-color ring helm-help helm-types helm easy-mmode helm-source eieio-compat eieio byte-opt bytecomp byte-compile cl-extra seq cconv eieio-core helm-match-plugin helm-lib dired advice which-key hl-line windmove paren delsel edmacro kmacro info easymenu cask cl-seq cl-macs gv cask-bootstrap package-build mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mm-util help-fns mail-prsvr json lisp-mnt shut-up epl git commander cl-loaddefs pcase cl-lib f dash s ucs-normalize finder-inf package epg-config time-date mule-util cyril-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind gfilenotify dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 350431 26426) (symbols 48 33992 0) (miscs 40 252 284) (strings 32 62874 21136) (string-bytes 1 1880066) (vectors 16 58974) (vector-slots 8 1611166 176042) (floats 8 506 430) (intervals 56 473 140) (buffers 976 14) (heap 1024 48944 1933))