Closed Bug 1428266 Opened 7 years ago Closed 7 years ago

If I open a pdf link in firefox, triggers infinite loop of file opening

Categories

(Firefox :: File Handling, defect)

Product:
Firefox
Component:
File Handling
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED DUPLICATE of bug 167320

People

(Reporter: rockleelotusman, Unassigned)

Details

Attachments

(1 file)

handlers.json
(deleted), application/json
Details
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0 Build ID: 20180104220114 Steps to reproduce: My issue seems similar to what is described in old issue 628909. I set Sumatra PDF as default to open PDF's. I'm on Firefox 59 Nightly. Not sure if that is considered Trunk or not. Actual results: Since setting my default, Firefox goes berserk when I click a pdf link. Keeps opening blank tabs infinitely. Only solution is to hold down control W (close tabs faster than they open) until I have close the window. Other firefox windows not affected. Expected results: No infinite loop. Just PDF open.
Exact steps to reproduce welcome, including a testcase URL. What is "Sumatra PDF"? Where to get that? Which version?
Happy to oblige to the best of my ability. What is Sumatra: Open Source PDF viewer. One of the better ones available on Windows. https://www.sumatrapdfreader.org/free-pdf-reader.html Version of Sumatra: V 3.1.2 64 BIT. Exact Workflow: 1. Set firefox's default for PDF's to anything but the built in preview. I.e. I tested setting this to "Always Ask" which was also affected. 2. Open a pdf link. I've checked with multiple sites, but this site is an example I've used http://pages.cs.wisc.edu/~remzi/OSTEP/#book-chapters . 3. Firefox will proceed to start opening these infinitely until you control W away or otherwise manage to end the process (rather difficult because on Windows opening the file steals focus). Chrome/Edge are not affected and this does not occur if I set Firefox to Preview the file in Firefox. One Significant Caveat: I'm on a Windows 10 Insider Build. Build 17063.rs_prerelease.171213-1610. I'm inclined to suspect Firefox though (since other browsers aren't impacted) but could be any underlying Windows changes causing issues. Let me know of anything else that would be of use.
Work for me in Nightly 59.0a1 (2018-01-06) (64 bit) and Sumatra: V 3.1.2 64 BIT on Win10 1709, these is no tab opens after click pdf links on http://pages.cs.wisc.edu/~remzi/OSTEP/#book-chapters.
Component: Untriaged → File Handling
(In reply to rockleelotusman from comment #2) > Let me know of anything else that would be of use. Can you attach handlers.json from your profile folder[1]? Can you reproduce the issue if you move handlers.json to the desktop while Firefox is closed, then again choose to always use Sumatra PDF using whichever method? [1] https://support.mozilla.org/kb/profiles-where-firefox-stores-user-data
Flags: needinfo?(rockleelotusman)
Been traveling a bunch so only just getting back to this. This reddit thread someone else made shows my exact issue https://www.reddit.com/r/firefox/comments/7qcdq9/this_happens_when_i_try_to_open_a_pdf_file_in/?ref=share&ref_source=link I don't understand the instruction about moving the handler file...
Flags: needinfo?(rockleelotusman)
(In reply to rockleelotusman from comment #5) > I don't understand the instruction about moving the handler file... 1. Into the location bar, enter about:support 2. Click the Open Folder button. This opens a file manager window with your profile folder. 3. Click the Firefox menu button and choose Exit. 4. In the file manager window that opened earlier, right-click the handlers.json file and choose Cut. Then right-click the desktop and choose Paste. 5. Start Firefox again. In about:preferences, set PDFs to open in Sumatra PDF. 6. Try clicking one of the PDF links you used earlier at comment 2. 7. On this page, click the "Attach file" link and attach the old handlers.json file that you moved to the desktop. In the comment box for the file, also mention if you were able to reproduce the problem after step 6.
Flags: needinfo?(rockleelotusman)
Status: UNCONFIRMED → RESOLVED
Closed: 7 years ago
Flags: needinfo?(rockleelotusman)
Resolution: --- → INCOMPLETE
Hi there, I have that issue as well with ff opening tons of empty tabs. I've attached my handlers-file. For me it is like this: I have Win10, plain home edition. When I click a pdf-link in firefox, it used to open within firefox, correctly. One day, I don't know what might have changed, it opened a cascade of empty tabs. I had a hard time getting past the "Close all tabs?"-dialog box, and when I finally managed to close that window with all its tabs, firefox gladly continued opening empty tabs in the next happened-to-be-open firefox-window. I disabled that dialog-box, but since all windows are affected, all my open tabs are lost whenever I happen to click a pdf-link. I thought one of my add ons was updated and introduced some kind of bug, I disabled one add-on called Tree style tabs (I think) and for exactly one try firefox opened a pdf correctly. I thought the problem was gone, only to find it coming back next time I tried clicking a pdf-link. I then set the os standard app for opening pdf:s to Microsoft Edge. Rightclicking and saving the file works now fine, when I click on it in the downloaded files list within firefox, Edge openes the file, no problems. But just clicking on the pdf-link still gives the tons of tabs. I have restarted the computer to ensure that the Edge-setting really is applied from all angles. I finally removed the handlers.json-file. When clicking a pdf-link I then got the dialog-box, chose open in TWINUI, worked fine. Tried again, chose open in firefox and I got another tab, asking me whether to open in Firefox or do something else, clicked ok, got another tab and so on. So, without the handlers-file, I can make Ff open in another app instead of having to save and open the file. Still I'd rather have it like before, opening in ff directly.
Attached file handlers.json (deleted) —
(In reply to annettekusma from comment #7) > asking me whether to open in Firefox or do something else, clicked ok, got another tab and so on. If you get a "What should Firefox do with this file?" dialog and you choose to open with Firefox, that will create an infinite loop. Your handlers.json shows that you've selected that at some point. That dialog is for external applications only, and you're not supposed to be able to pick Firefox there [1]. To do that safely, use the Open in Browser extension [2]. The only way to view PDFs in Firefox is to set the action to "Preview in Firefox" in about:preferences. However, servers can still trigger the "What should Firefox do with this file?" dialog, usually by sending the Content-Disposition: attachment header. One way to get around that is the Bypass Forced Download extension [3]. Less commonly, they can also fail to correctly identify the file type by sending Content-Type: application/octet-stream. Extensions like Header Editor can override that [4]. This report was only noteworthy because the loop was occurring with an external application as the handler for PDFs. [1] Bug 218257 [2] https://addons.mozilla.org/firefox/addon/open-in-browser/ [3] https://addons.mozilla.org/firefox/addon/bypass-forced-download/ [4] https://addons.mozilla.org/firefox/addon/header-editor/
(In reply to Gingerbread Man from comment #9) > [1]. To do that safely, use the Open in Browser extension [2]. > > The only way to view PDFs in Firefox is to set the action to "Preview in > Firefox" in about:preferences. However, servers can still trigger the "What Thank you for a very structured and quick reply. I will try these things out in a couple of days. I get the loop-logic. I grasp the following from your explanation: I probably had the 'Preview in ff"-setting, but some server triggered the "what should..."-dialog and I happened to choose ff there - and make it the default action - because I didn't suspect that to be anyhow wrong since ff always correctly opened (well, "previewed") pdf's. So, I'll try to avoid that in the future. Thanks for you help!
I have the same problem. Used to view PDFs in external application (Acrobat Reader), but changed it to 'open in Firefox'. Now when I open a PDF, FF keeps creating tabs infinitely.

Same problem this is my browser info if its need for solving this issue, the issue happens when opening any pdf on the browser.

Configuración básica de la aplicación

Nombre: Firefox
Versión: 64.0.2
ID de compilación: 20190108160530
Canal de actualización: release
Agente de usuario: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0
OS: Windows_NT 10.0
Ventanas multiproceso: 1/1 (Habilitado por omisión)
Procesos de contenido web: 3/4
Políticas empresariales: Inactivo
Clave de Google: Encontrado
Clave del servicio de ubicación de Mozilla: Encontrado
Modo seguro: false

Informes de fallos de los últimos 3 días

Todos los informes de fallo Características de Firefox

Nombre: Firefox Monitor
Versión: 2.8
ID: fxmonitor@mozilla.org

Nombre: Firefox Screenshots
Versión: 35.0.0
ID: screenshots@mozilla.org

Nombre: Form Autofill
Versión: 1.0
ID: formautofill@mozilla.org

Nombre: Web Compat
Versión: 3.0.0
ID: webcompat@mozilla.org

Nombre: WebCompat Reporter
Versión: 1.1.0
ID: webcompat-reporter@mozilla.org

Extensiones

Nombre: AdGuard AdBlocker
Versión: 2.10.17
Activada: true
ID: adguardadblocker@adguard.com

Nombre: Firefox Multi-Account Containers
Versión: 6.1.0
Activada: true
ID: @testpilot-containers

Nombre: OneTab
Versión: 1.25
Activada: true
ID: extension@one-tab.com

Nombre: Pushbullet
Versión: 335
Activada: true
ID: jid1-BYcQOfYfmBMd9A@jetpack

Nombre: Shift + Scroll (Horizontal Scrolling)
Versión: 0.1.1
Activada: true
ID: @shift-scroll

Software de seguridad

Tipo: Windows Defender Antivirus

Tipo: Windows Defender Antivirus

Tipo: Windows Firewall

Gráficos

Características
Composición: Direct3D 11 (Advanced Layers)
Encuadre/zoom asíncrono: entrada de rueda de ratón activada; arrastre de la barra de desplazamiento activado; teclado habilitado; desplazamiento automático activado
Información WSI del controlador WebGL 1: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000c9a0) EGL_VERSION: 1.4 (ANGLE 2.1.0.790e8e6b4179) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_MOZ_create_context_provoking_vertex_dont_care EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context
Renderizador del controlador WebGL 1: Google Inc. -- ANGLE (Intel(R) HD Graphics 520 Direct3D11 vs_5_0 ps_5_0)
Versión del controlador WebGL 1: OpenGL ES 2.0 (ANGLE 2.1.0.790e8e6b4179)
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Extensiones WebGL 1: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_frag_depth EXT_sRGB EXT_shader_texture_lod EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
Información WSI del controlador WebGL 2: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000c9a0) EGL_VERSION: 1.4 (ANGLE 2.1.0.790e8e6b4179) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_MOZ_create_context_provoking_vertex_dont_care EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_explicit_context
Renderizador del controlador WebGL 2: Google Inc. -- ANGLE (Intel(R) HD Graphics 520 Direct3D11 vs_5_0 ps_5_0)
Versión del controlador WebGL 2: OpenGL ES 3.0 (ANGLE 2.1.0.790e8e6b4179)
Extensiones del controlador WebGL 2: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_explicit_context GL_ANGLE_explicit_context_gles1 GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_multiview GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object OES_compressed_EAC_R11_signed_texture OES_compressed_EAC_R11_unsigned_texture OES_compressed_EAC_RG11_signed_texture OES_compressed_EAC_RG11_unsigned_texture OES_compressed_ETC2_RGB8_texture OES_compressed_ETC2_RGBA8_texture OES_compressed_ETC2_punchthroughA_RGBA8_texture OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture OES_compressed_ETC2_sRGB8_alpha8_texture OES_compressed_ETC2_sRGB8_texture
Extensiones WebGL 2: EXT_color_buffer_float EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Direct2D: true
Dibujado fuera del hilo principal de ejecución activado: true
Contador de workers de dibujado ajenos al hilo principal de ejecución: 3
DirectWrite: true (10.0.17763.168)
GPU #1
Activa: Sí
Descripción: Intel(R) HD Graphics 520
ID del fabricante: 0x8086
ID del dispositivo: 0x1916
Versión del controlador: 21.20.16.4550
Fecha del controlador: 11-11-2016
Controladores: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32
ID del subsistema: 12401043
RAM: Unknown
GPU #2
Activa: No
Descripción: NVIDIA GeForce 940MX
ID del fabricante: 0x10de
ID del dispositivo: 0x134d
Versión del controlador: 24.21.13.9924
Fecha del controlador: 9-5-2018
Controladores: C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumdx.dll C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nvam.inf_amd64_9b1341e92276ee7c\nvldumd.dll
ID del subsistema: 12401043
RAM: 2048
Diagnósticos
AzureCanvasAccelerated: 0
AzureCanvasBackend: direct2d 1.1
AzureCanvasBackend (UI Process): skia
AzureContentBackend: direct2d 1.1
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): cairo
GPUProcessPid: 12020
Registro de decisiones
WEBRENDER:
opt-in by default: WebRender is an opt-in feature
WEBRENDER_QUALIFIED:
blocked by env: Has battery

Medios

Sistema de audio: wasapi
Canales máximos: 2
Tasa de muestreo preferida: 48000
Dispositivos de salida
Nombre: Grupo
:
Speakers (Conexant SmartAudio HD): HDAUDIO\FUNC_01&VEN_14F1&DEV_1F72&SUBSYS_1043156F&REV_1000\4&12b7e480&0&0001
SAMSUNG (Intel(R) Display Audio): HDAUDIO\FUNC_01&VEN_8086&DEV_2809&SUBSYS_80860101&REV_1000\4&12b7e480&0&0201
Internal AUX Jack (High Definition Audio Device):
Speakers (High Definition Audio Device):
Headset (KZ Earphone Hands-Free):
SAMSUNG (Intel(R) Display Audio):
Headphones (High Definition Audio Device):
MX711 (Intel(R) Display Audio):
Dispositivos de entrada
Nombre: Grupo
Microphone (High Definition Audio Device):
Microphone (High Definition Audio Device):
Headset (KZ Earphone Hands-Free):
Stereo Mix (Conexant SmartAudio HD): HDAUDIO\FUNC_01&VEN_14F1&DEV_1F72&SUBSYS_1043156F&REV_1000\4&12b7e480&0&0001
Microphone Array (Conexant SmartAudio HD): HDAUDIO\FUNC_01&VEN_14F1&DEV_1F72&SUBSYS_1043156F&REV_1000\4&12b7e480&0&0001
Internal AUX Jack (High Definition Audio Device):

Preferencias importantes modificadas

accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 1048576
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.sessionstore.upgradeBackup.latestBuildID: 20190108160530
browser.startup.homepage_override.buildID: 20190108160530
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media.benchmark.vp9.fps: 137
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media.hardware-video-decoding.failed: false
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1548675973
places.history.expiration.transient_current_max_pages: 112670
plugin.disable_full_page_plugin_for_types: application/pdf
print.printer_Microsoft_Print_to_PDF.print_bgcolor: false
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print.printer_Microsoft_Print_to_PDF.print_edge_left: 0
print.printer_Microsoft_Print_to_PDF.print_edge_right: 0
print.printer_Microsoft_Print_to_PDF.print_edge_top: 0
print.printer_Microsoft_Print_to_PDF.print_evenpages: true
print.printer_Microsoft_Print_to_PDF.print_footercenter:
print.printer_Microsoft_Print_to_PDF.print_footerleft: &PT
print.printer_Microsoft_Print_to_PDF.print_footerright: &D
print.printer_Microsoft_Print_to_PDF.print_headercenter:
print.printer_Microsoft_Print_to_PDF.print_headerleft: &T
print.printer_Microsoft_Print_to_PDF.print_headerright: &U
print.printer_Microsoft_Print_to_PDF.print_in_color: true
print.printer_Microsoft_Print_to_PDF.print_margin_bottom: 0.5
print.printer_Microsoft_Print_to_PDF.print_margin_left: 0.5
print.printer_Microsoft_Print_to_PDF.print_margin_right: 0.5
print.printer_Microsoft_Print_to_PDF.print_margin_top: 0.5
print.printer_Microsoft_Print_to_PDF.print_oddpages: true
print.printer_Microsoft_Print_to_PDF.print_orientation: 0
print.printer_Microsoft_Print_to_PDF.print_page_delay: 50
print.printer_Microsoft_Print_to_PDF.print_paper_data: 1
print.printer_Microsoft_Print_to_PDF.print_paper_height: -1.00
print.printer_Microsoft_Print_to_PDF.print_paper_name:
print.printer_Microsoft_Print_to_PDF.print_paper_size_unit: 0
print.printer_Microsoft_Print_to_PDF.print_paper_width: -1.00
print.printer_Microsoft_Print_to_PDF.print_resolution: 600
print.printer_Microsoft_Print_to_PDF.print_reversed: false
print.printer_Microsoft_Print_to_PDF.print_scaling: 1.00
print.printer_Microsoft_Print_to_PDF.print_shrink_to_fit: true
print.printer_Microsoft_Print_to_PDF.print_to_file: false
print.printer_Microsoft_Print_to_PDF.print_unwriteable_margin_bottom: 0
print.printer_Microsoft_Print_to_PDF.print_unwriteable_margin_left: 0
print.printer_Microsoft_Print_to_PDF.print_unwriteable_margin_right: 0
print.printer_Microsoft_Print_to_PDF.print_unwriteable_margin_top: 0
privacy.sanitize.pending: [{"id":"newtab-container","itemsToClear":[],"options":{}}]
privacy.userContext.enabled: true
privacy.userContext.extension: @testpilot-containers
privacy.userContext.longPressBehavior: 2
privacy.userContext.ui.enabled: true
security.sandbox.content.tempDirSuffix: {451ce1e0-5670-47ae-9919-98569ca4b652}
security.sandbox.plugin.tempDirSuffix: {ec49d727-c79c-4ac9-a5d0-167c503a738b}
services.sync.declinedEngines:
services.sync.engine.prefs.modified: false
services.sync.lastPing: 1548675954
services.sync.lastSync: Mon Jan 28 2019 10:51:41 GMT-0500 (hora estándar de Colombia)
signon.importedFromSqlite: true
storage.vacuum.last.index: 1
storage.vacuum.last.places.sqlite: 1546577490
ui.osk.debug.keyboardDisplayReason: IKPOS: Touch screen not found.

Preferencias importantes bloqueadas

Base de datos de sitios

JavaScript

Recogida de basura incremental: true

Accesibilidad

Activado: false
Impedir accesibilidad: 0
Manejador accesible usado: true
Instanciador de accesibilidad:

Versiones de bibliotecas

NSPR
Versión mínima esperada: 4.20
Versión en uso: 4.20

NSS
Versión mínima esperada: 3.40.1
Versión en uso: 3.40.1

NSSSMIME
Versión mínima esperada: 3.40.1
Versión en uso: 3.40.1

NSSSSL
Versión mínima esperada: 3.40.1
Versión en uso: 3.40.1

NSSUTIL
Versión mínima esperada: 3.40.1
Versión en uso: 3.40.1

Entorno de pruebas

Nivel de aislamiento del proceso de contenido: 5
Nivel efectivo de aislamiento (sandboxing) para los procesos de contenido: 5

Internacionalización y localización

Configuración de la aplicación
Idiomas solicitados: ["es-ES"]
Idiomas disponibles: ["es-ES","en-US"]
Idiomas de la aplicación: ["es-ES","en-US"]
Preferencias regionales: ["es-ES","en-US"]
Idioma preterminado: "es-ES"
Sistema operativo
Idiomas del sistema: ["en-US"]
Preferencias regionales: ["en-US"]

I have also the same issue: Windows 10 Home edition, firefox 73.0.1 64-bit.

The problem persists. I use ubuntu 20.04. Please reopen the bug. Thanks

I'm having the same problem right now. It wasn't happening roughly 1-2 days ago though. Up until now PDF's were opening up fine.

https://i.imgur.com/YBHZg43.png

Windows 10, latest version of Firefox.

Please stop posting comments here. There's been nothing to suggest that this isn't covered by existing bug reports. The reporter made it seem like the issue was occurring under new circumstances, but here's been no follow-up, so this should stay closed as Incomplete.

To recap:

  • Read comment 6 for step-by-step directions to delete handlers.json from your profile folder and fix the issue.
  • Read comment 9 to prevent sites from triggering this problem in the future. N.B.: the "Preview in Firefox" setting has been renamed to "Open in Firefox", which makes things a bit more confusing.
  • Bug 218257 is about not allowing Firefox as an option in the "What should Firefox do with this file?" dialog, which is one way to create this loop.
  • Bug 215554 is about the loop being created when you tell Firefox to use your default application for a file, and in your operating system you have Firefox set as the default application for that file. If you currently have Firefox set to handle PDFs in your operating system, you need to undo that.
Resolution: INCOMPLETE → DUPLICATE
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