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HTTP error messages: "Server never wrote a response" #2734

Closed
Alseidon opened this issue Dec 4, 2023 · 13 comments · Fixed by #2931
Closed

HTTP error messages: "Server never wrote a response" #2734

Alseidon opened this issue Dec 4, 2023 · 13 comments · Fixed by #2931
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HTTP/WS The connection between backend and frontend other packages Integration with other Julia packages

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@Alseidon
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Alseidon commented Dec 4, 2023 •
edited
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When starting Pluto today, I encountered some errors. Pluto starts nonetheless and works just fine, but this happened every time I started Pluto again.

Here are the error messages:

julia> using Pluto

julia> Pluto.run()
[ Info: Loading...
┌ Error: handle_connection handler error. 
│ 
│ ===========================
│ HTTP Error message:
│ 
│ ERROR: Server never wrote a response
│ Stacktrace:
│  [1] error(s::String)
│    @ Base ./error.jl:35
│  [2] handle_connection(f::Function, c::HTTP.Connections.Connection{Sockets.TCPSocket}, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│    @ HTTP.Servers ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:453
│  [3] macro expansion
│    @ ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:386 [inlined]
│  [4] (::HTTP.Servers.var"#16#17"{Pluto.var"#446#456"{Pluto.ServerSession, Pluto.var"#343#345"{Pluto.var"#346#348"{HTTP.Handlers.Router{typeof(Pluto.default_404), typeof(HTTP.Handlers.default405), Nothing}}, Pluto.ServerSession}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.Connections.Connection}, Int64, Nothing, Base.Semaphore, HTTP.Connections.Connection{Sockets.TCPSocket}})()
│    @ HTTP.Servers ./task.jl:514
└ @ HTTP.Servers ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:465
┌ Error: error while handling connection. 
│ 
│ ===========================
│ HTTP Error message:
│ 
│ ERROR: IOError: write: broken pipe (EPIPE)
│ Stacktrace:
│   [1] uv_write(s::Sockets.TCPSocket, p::Ptr{UInt8}, n::UInt64)
│     @ Base ./stream.jl:1066
│   [2] unsafe_write(s::Sockets.TCPSocket, p::Ptr{UInt8}, n::UInt64)
│     @ Base ./stream.jl:1120
│   [3] unsafe_write
│     @ ~/.julia/packages/HTTP/SN7VW/src/Connections.jl:129 [inlined]
│   [4] write
│     @ ./strings/io.jl:244 [inlined]
│   [5] write
│     @ ./io.jl:676 [inlined]
│   [6] unsafe_write(http::HTTP.Streams.Stream{HTTP.Messages.Request, HTTP.Connections.Connection{Sockets.TCPSocket}}, p::Ptr{UInt8}, n::UInt64)
│     @ HTTP.Streams ~/.julia/packages/HTTP/SN7VW/src/Streams.jl:95
│   [7] write
│     @ ./strings/io.jl:244 [inlined]
│   [8] handle_connection(f::Function, c::HTTP.Connections.Connection{Sockets.TCPSocket}, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│     @ HTTP.Servers ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:470
│   [9] macro expansion
│     @ ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:386 [inlined]
│  [10] (::HTTP.Servers.var"#16#17"{Pluto.var"#446#456"{Pluto.ServerSession, Pluto.var"#343#345"{Pluto.var"#346#348"{HTTP.Handlers.Router{typeof(Pluto.default_404), typeof(HTTP.Handlers.default405), Nothing}}, Pluto.ServerSession}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.Connections.Connection}, Int64, Nothing, Base.Semaphore, HTTP.Connections.Connection{Sockets.TCPSocket}})()
│     @ HTTP.Servers ./task.jl:514
│ 
│ caused by: Server never wrote a response
│ Stacktrace:
│  [1] error(s::String)
│    @ Base ./error.jl:35
│  [2] handle_connection(f::Function, c::HTTP.Connections.Connection{Sockets.TCPSocket}, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│    @ HTTP.Servers ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:453
│  [3] macro expansion
│    @ ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:386 [inlined]
│  [4] (::HTTP.Servers.var"#16#17"{Pluto.var"#446#456"{Pluto.ServerSession, Pluto.var"#343#345"{Pluto.var"#346#348"{HTTP.Handlers.Router{typeof(Pluto.default_404), typeof(HTTP.Handlers.default405), Nothing}}, Pluto.ServerSession}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.Connections.Connection}, Int64, Nothing, Base.Semaphore, HTTP.Connections.Connection{Sockets.TCPSocket}})()
│    @ HTTP.Servers ./task.jl:514
└ @ HTTP.Servers ~/.julia/packages/HTTP/SN7VW/src/Servers.jl:483

Then some Gtk warnings, and finally the server starts just fine. I can run notebooks normally, so I am not sure if this is important or not, but thought I would signal it anyway.

I am using Pluto v0.19.32 on:

julia> versioninfo()
Julia Version 1.9.4
Commit 8e5136fa297 (2023-11-14 08:46 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  CPU: 12 × 13th Gen Intel(R) Core(TM) i7-1365U
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-14.0.6 (ORCJIT, goldmont)
  Threads: 1 on 12 virtual cores

EDIT: this stopped happening after some restarts, I don't know how to reproduce the bug, maybe I should close the issue?
@rikhuijzer
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Collaborator

It also happened on my laptop (MacOS M2 chip and Pluto v0.19.32).

I can reproduce most of the time. It happens about time 5 seconds after calling Pluto.run(). This issue seems related: JuliaWeb/HTTP.jl#643.

I can't figure it out though what the problem is exactly.

@chunjiw
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chunjiw commented Mar 6, 2024

It also happens on my server running Debian (x86_64).

@fonsp
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fonsp commented Mar 7, 2024

@chunjiw Can you post your error message and the output of pkg> status -m?

@fonsp fonsp added the HTTP/WS The connection between backend and frontend label Mar 7, 2024
@pankgeorg
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I'm pretty sure this is JuliaWeb/HTTP.jl#1122. HTTP.jl logs an error when the underlying TCP connection closes/times out.

@pankgeorg pankgeorg added the other packages Integration with other Julia packages label Mar 7, 2024
@chunjiw
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chunjiw commented Mar 7, 2024

@chunjiw Can you post your error message and the output of pkg> status -m?

Sure! It has not happened yet today. I will report once it happens.

@chunjiw
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chunjiw commented Mar 12, 2024

@fonsp Here is the error message:

┌ Error: handle_connection handler error.
│ 
│ ===========================
│ HTTP Error message:
│ 
│ ERROR: Server never wrote a response
│ Stacktrace:
│  [1] error(s::String)
│    @ Base ./error.jl:35
│  [2] handle_connection(f::Function, c::HTTP.Connections.Connection{Sockets.TCPSocket}, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│    @ HTTP.Servers ~/.julia/packages/HTTP/LsfSO/src/Servers.jl:459
│  [3] (::HTTP.Servers.var"#16#17"{Pluto.var"#381#391"{Pluto.ServerSession, Pluto.var"#278#280"{Pluto.var"#281#283"{HTTP.Handlers.Router{typeof(Pluto.default_404), typeof(HTTP.Handlers.default405), Nothing}}, Pluto.ServerSession}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.Connections.Connection}, Int64, Nothing, Base.Semaphore, HTTP.Connections.Connection{Sockets.TCPSocket}})()
│    @ HTTP.Servers ~/.julia/packages/HTTP/LsfSO/src/Servers.jl:388
└ @ HTTP.Servers ~/.julia/packages/HTTP/LsfSO/src/Servers.jl:470

Repeated about 10 times.

This is output of status -m:

(dev) pkg> status -m
Status `~/projects/photonics/InverseCircuit/dev/Manifest.toml`
  [621f4979] AbstractFFTs v1.5.0
⌃ [79e6a3ab] Adapt v4.0.2
⌅ [ec485272] ArnoldiMethod v0.2.0
⌃ [4fba245c] ArrayInterface v7.8.0
  [13072b0f] AxisAlgorithms v1.1.0
  [39de3d68] AxisArrays v0.4.7
  [6e4b80f9] BenchmarkTools v1.5.0
  [d1d4a3ce] BitFlags v0.1.8
  [62783981] BitTwiddlingConvenienceFunctions v0.1.5
  [fa961155] CEnum v0.5.0
  [2a0fbf3d] CPUSummary v0.2.4
  [336ed68f] CSV v0.10.13
  [aafaddc9] CatIndices v0.2.2
  [d360d2e6] ChainRulesCore v1.23.0
  [fb6a15b2] CloseOpenIntervals v0.1.12
  [aaaa29a8] Clustering v0.15.7
  [da1fd8a2] CodeTracking v1.3.5
  [944b1d66] CodecZlib v0.7.4
  [35d6a980] ColorSchemes v3.24.0
  [3da002f7] ColorTypes v0.11.4
⌅ [c3611d14] ColorVectorSpace v0.9.10
  [5ae59095] Colors v0.12.10
  [a80b9123] CommonMark v0.8.12
  [34da2185] Compat v4.14.0
  [ed09eef8] ComputationalResources v0.3.2
  [f0e56b4a] ConcurrentUtilities v2.3.1
  [5218b696] Configurations v0.17.6
  [d38c429a] Contour v0.6.2
  [150eb455] CoordinateTransformations v0.6.3
  [adafc99b] CpuId v0.3.1
  [a8cc5b0e] Crayons v4.1.1
  [dc8bdbbb] CustomUnitRanges v1.0.2
  [9a962f9c] DataAPI v1.16.0
  [864edb3b] DataStructures v0.18.18
  [e2d170a0] DataValueInterfaces v1.0.0
  [8bb1440f] DelimitedFiles v1.9.1
  [b4f34e82] Distances v0.10.11
  [ffbed154] DocStringExtensions v0.9.3
  [460bff9d] ExceptionUnwrapping v0.1.10
  [21656369] ExpressionExplorer v1.0.0
  [55351af7] ExproniconLite v0.10.6
  [c87230d0] FFMPEG v0.4.1
  [4f61f5a4] FFTViews v0.3.2
  [7a1cc6ca] FFTW v1.8.0
  [5789e2e9] FileIO v1.16.2
  [48062228] FilePathsBase v0.9.21
  [53c48c17] FixedPointNumbers v0.8.4
  [1fa38f19] Format v1.3.6
  [fb4132e2] FuzzyCompletions v0.5.3
  [28b8d3ca] GR v0.73.2
  [a2bd30eb] Graphics v1.1.2
  [86223c79] Graphs v1.9.0
  [42e2da0e] Grisu v1.0.2
  [cd3eb016] HTTP v1.10.3
  [2c695a8d] HistogramThresholding v0.3.1
  [3e5b6fbb] HostCPUFeatures v0.1.16
  [ac1192a8] HypertextLiteral v0.9.5
  [615f187c] IfElse v0.1.1
  [2803e5a7] ImageAxes v0.6.11
⌃ [c817782e] ImageBase v0.1.5
  [cbc4b850] ImageBinarization v0.3.0
  [f332f351] ImageContrastAdjustment v0.3.12
⌅ [a09fc81d] ImageCore v0.9.4
  [89d5987c] ImageCorners v0.1.3
  [51556ac3] ImageDistances v0.2.17
⌃ [6a3955dd] ImageFiltering v0.7.6
  [82e4d734] ImageIO v0.6.7
⌃ [6218d12a] ImageMagick v1.2.1
  [bc367c6b] ImageMetadata v0.9.9
  [787d08f9] ImageMorphology v0.4.5
  [2996bd0c] ImageQualityIndexes v0.3.7
⌃ [80713f31] ImageSegmentation v1.8.1
  [4e3cecfd] ImageShow v0.3.8
  [02fcd773] ImageTransformations v0.10.1
  [916415d5] Images v0.26.0
  [9b13fd28] IndirectArrays v1.0.0
  [d25df0c9] Inflate v0.1.4
  [842dd82b] InlineStrings v1.4.0
  [1d092043] IntegralArrays v0.1.5
  [a98d9a8b] Interpolations v0.15.1
  [8197267c] IntervalSets v0.7.10
  [44ad7eea] InverseCircuit v0.1.6 `..`
  [e24f45a5] InverseLaplace v0.3.2
  [92d709cd] IrrationalConstants v0.2.2
  [c8e1da08] IterTools v1.10.0
  [82899510] IteratorInterfaceExtensions v1.0.0
  [033835bb] JLD2 v0.4.46
  [1019f520] JLFzf v0.1.7
  [692b3bcd] JLLWrappers v1.5.0
  [682c06a0] JSON v0.21.4
  [b835a17e] JpegTurbo v0.1.5
  [aa1ae85d] JuliaInterpreter v0.9.29
  [b964fa9f] LaTeXStrings v1.3.1
  [23fbe1c1] Latexify v0.16.2
  [10f19ff3] LayoutPointers v0.1.15
  [0e77f7df] LazilyInitializedFields v1.2.2
  [8cdb02fc] LazyModules v0.3.1
  [2ab3a3ac] LogExpFunctions v0.3.27
  [e6f89c97] LoggingExtras v1.0.3
  [bdcacae8] LoopVectorization v0.12.166
  [6f1432cf] LoweredCodeUtils v2.4.5
  [6c6e2e6c] MIMEs v0.1.4
  [1914dd2f] MacroTools v0.5.13
  [36869731] Malt v1.1.1
  [d125e4d3] ManualMemory v0.1.8
  [dbb5928d] MappedArrays v0.4.2
  [739be429] MbedTLS v1.1.9
  [442fdcdd] Measures v0.3.2
  [626554b9] MetaGraphs v0.7.2
  [e1d29d7a] Missings v1.1.0
  [e94cdb99] MosaicViews v0.3.4
  [99f44e22] MsgPack v1.2.1
  [77ba4419] NaNMath v1.0.2
  [b8a86587] NearestNeighbors v0.4.16
  [f09324ee] Netpbm v1.1.1
  [6fe1bfb0] OffsetArrays v1.13.0
  [52e1d378] OpenEXR v0.3.2
  [4d8831e6] OpenSSL v1.4.2
  [bac558e1] OrderedCollections v1.6.3
  [f57f5aa1] PNGFiles v0.4.3
  [5432bcbf] PaddedViews v0.5.12
  [d96e819e] Parameters v0.12.3
  [69de0a69] Parsers v2.8.1
  [b98c9c47] Pipe v1.3.0
  [eebad327] PkgVersion v0.3.3
  [ccf2f8ad] PlotThemes v3.1.0
  [995b91a9] PlotUtils v1.4.1
⌃ [91a5bcdd] Plots v1.40.1
  [c3e4b0f8] Pluto v0.19.40
  [72656b73] PlutoDependencyExplorer v1.0.4
  [1d0040c9] PolyesterWeave v0.2.1
⌅ [f27b6e38] Polynomials v3.2.13
  [2dfb63ee] PooledArrays v1.4.3
  [91cefc8d] PrecompileSignatures v3.0.3
  [aea7be01] PrecompileTools v1.2.0
  [21216c6a] Preferences v1.4.3
  [92933f4c] ProgressMeter v1.10.0
  [4b34888f] QOI v1.0.0
  [94ee1d12] Quaternions v0.7.6
  [b3c3ace0] RangeArrays v0.3.2
  [c84ed2f1] Ratios v0.4.5
  [c1ae055f] RealDot v0.1.0
  [3cdcf5f2] RecipesBase v1.3.4
  [01d81517] RecipesPipeline v0.6.12
  [189a3867] Reexport v1.2.2
  [dee08c22] RegionTrees v0.3.2
  [2792f1a3] RegistryInstances v0.1.0
  [05181044] RelocatableFolders v1.0.1
  [ae029012] Requires v1.3.0
  [295af30f] Revise v3.5.14
  [6038ab10] Rotations v1.7.0
  [94e857df] SIMDTypes v0.1.0
  [476501e8] SLEEFPirates v0.6.42
  [6c6a2e73] Scratch v1.2.1
  [91c51154] SentinelArrays v1.4.1
  [992d4aef] Showoff v1.0.3
  [777ac1f9] SimpleBufferStream v1.1.0
  [699a6c99] SimpleTraits v0.9.4
  [47aef6b3] SimpleWeightedGraphs v1.4.0
  [45858cf5] Sixel v0.1.3
  [a2af1166] SortingAlgorithms v1.2.1
  [276daf66] SpecialFunctions v2.3.1
  [cae243ae] StackViews v0.1.1
  [aedffcd0] Static v0.8.10
  [0d7ed370] StaticArrayInterface v1.5.0
  [90137ffa] StaticArrays v1.9.3
  [1e83bf80] StaticArraysCore v1.4.2
  [82ae8749] StatsAPI v1.7.0
  [2913bbd2] StatsBase v0.34.2
  [3783bdb8] TableTraits v1.0.1
  [bd369af6] Tables v1.11.1
  [62fd8b95] TensorCore v0.1.1
  [8290d209] ThreadingUtilities v0.5.2
⌅ [731e570b] TiffImages v0.6.8
  [06e1c1a7] TiledIteration v0.5.0
  [3bb67fe8] TranscodingStreams v0.10.4
  [410a4b4d] Tricks v0.1.8
  [5c2747f8] URIs v1.5.1
  [3a884ed6] UnPack v1.0.2
  [1cfade01] UnicodeFun v0.4.1
  [1986cc42] Unitful v1.19.0
  [45397f5d] UnitfulLatexify v1.6.3
  [41fe7b60] Unzip v0.2.0
  [3d5dd08c] VectorizationBase v0.21.65
  [ea10d353] WeakRefStrings v1.4.2
  [efce3f68] WoodburyMatrices v1.0.0
  [76eceee3] WorkerUtilities v1.6.1
  [6e34b625] Bzip2_jll v1.0.8+1
  [83423d85] Cairo_jll v1.16.1+1
  [2702e6a9] EpollShim_jll v0.0.20230411+0
  [2e619515] Expat_jll v2.5.0+0
⌅ [b22a6f82] FFMPEG_jll v4.4.4+1
  [f5851436] FFTW_jll v3.3.10+0
  [a3f928ae] Fontconfig_jll v2.13.93+0
  [d7e528f0] FreeType2_jll v2.13.1+0
  [559328eb] FriBidi_jll v1.0.10+0
  [0656b61e] GLFW_jll v3.3.9+0
  [d2c73de3] GR_jll v0.73.2+0
  [78b55507] Gettext_jll v0.21.0+0
  [61579ee1] Ghostscript_jll v9.55.0+4
  [7746bdde] Glib_jll v2.76.5+0
  [3b182d85] Graphite2_jll v1.3.14+0
  [2e76f6c2] HarfBuzz_jll v2.8.1+1
⌅ [c73af94c] ImageMagick_jll v6.9.13+0
  [905a6f67] Imath_jll v3.1.7+0
  [1d5cc7b8] IntelOpenMP_jll v2024.0.2+0
  [aacddb02] JpegTurbo_jll v3.0.2+0
  [c1c5ebd0] LAME_jll v3.100.1+0
  [88015f11] LERC_jll v3.0.0+1
  [1d63c593] LLVMOpenMP_jll v15.0.7+0
  [dd4b983a] LZO_jll v2.10.1+0
⌅ [e9f186c6] Libffi_jll v3.2.2+1
  [d4300ac3] Libgcrypt_jll v1.8.7+0
  [7e76a0d4] Libglvnd_jll v1.6.0+0
  [7add5ba3] Libgpg_error_jll v1.42.0+0
  [94ce4f54] Libiconv_jll v1.17.0+0
  [4b2f31a3] Libmount_jll v2.35.0+0
⌅ [89763e89] Libtiff_jll v4.5.1+1
  [38a345b3] Libuuid_jll v2.39.3+0
  [d3a379c0] LittleCMS_jll v2.15.0+0
  [856f044c] MKL_jll v2024.0.0+0
  [e7412a2a] Ogg_jll v1.3.5+1
  [18a262bb] OpenEXR_jll v3.1.4+0
  [643b3616] OpenJpeg_jll v2.5.0+0
  [458c3c95] OpenSSL_jll v3.0.13+0
  [efe28fd5] OpenSpecFun_jll v0.5.5+0
  [91d4177d] Opus_jll v1.3.2+0
  [30392449] Pixman_jll v0.42.2+0
  [c0090381] Qt6Base_jll v6.5.3+1
  [a44049a8] Vulkan_Loader_jll v1.3.243+0
  [a2964d1f] Wayland_jll v1.21.0+1
  [2381bf8a] Wayland_protocols_jll v1.31.0+0
  [02c8fc9c] XML2_jll v2.12.5+0
  [aed1982a] XSLT_jll v1.1.34+0
  [ffd25f8a] XZ_jll v5.6.0+0
  [f67eecfb] Xorg_libICE_jll v1.0.10+1
  [c834827a] Xorg_libSM_jll v1.2.3+0
  [4f6342f7] Xorg_libX11_jll v1.8.6+0
  [0c0b7dd1] Xorg_libXau_jll v1.0.11+0
  [935fb764] Xorg_libXcursor_jll v1.2.0+4
  [a3789734] Xorg_libXdmcp_jll v1.1.4+0
  [1082639a] Xorg_libXext_jll v1.3.4+4
  [d091e8ba] Xorg_libXfixes_jll v5.0.3+4
  [a51aa0fd] Xorg_libXi_jll v1.7.10+4
  [d1454406] Xorg_libXinerama_jll v1.1.4+4
  [ec84b674] Xorg_libXrandr_jll v1.5.2+4
  [ea2f1a96] Xorg_libXrender_jll v0.9.10+4
  [14d82f49] Xorg_libpthread_stubs_jll v0.1.1+0
  [c7cfdc94] Xorg_libxcb_jll v1.15.0+0
  [cc61e674] Xorg_libxkbfile_jll v1.1.2+0
  [e920d4aa] Xorg_xcb_util_cursor_jll v0.1.4+0
  [12413925] Xorg_xcb_util_image_jll v0.4.0+1
  [2def613f] Xorg_xcb_util_jll v0.4.0+1
  [975044d2] Xorg_xcb_util_keysyms_jll v0.4.0+1
  [0d47668e] Xorg_xcb_util_renderutil_jll v0.3.9+1
  [c22f9ab0] Xorg_xcb_util_wm_jll v0.4.1+1
  [35661453] Xorg_xkbcomp_jll v1.4.6+0
  [33bec58e] Xorg_xkeyboard_config_jll v2.39.0+0
  [c5fb5394] Xorg_xtrans_jll v1.5.0+0
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  [f27f6e37] libvorbis_jll v1.3.7+1
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  [dfaa095f] x265_jll v3.5.0+0
  [d8fb68d0] xkbcommon_jll v1.4.1+1
  [0dad84c5] ArgTools v1.1.1
  [56f22d72] Artifacts
  [2a0f44e3] Base64
  [ade2ca70] Dates
  [8ba89e20] Distributed
  [f43a241f] Downloads v1.6.0
  [7b1f6079] FileWatching
  [9fa8497b] Future
  [b77e0a4c] InteractiveUtils
  [4af54fe1] LazyArtifacts
  [b27032c2] LibCURL v0.6.4
  [76f85450] LibGit2
  [8f399da3] Libdl
  [37e2e46d] LinearAlgebra
  [56ddb016] Logging
  [d6f4376e] Markdown
  [a63ad114] Mmap
  [ca575930] NetworkOptions v1.2.0
  [44cfe95a] Pkg v1.10.0
  [de0858da] Printf
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  [3fa0cd96] REPL
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  [ea8e919c] SHA v0.7.0
  [9e88b42a] Serialization
  [1a1011a3] SharedArrays
  [6462fe0b] Sockets
  [2f01184e] SparseArrays v1.10.0
  [10745b16] Statistics v1.10.0
  [4607b0f0] SuiteSparse
  [fa267f1f] TOML v1.0.3
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  [8dfed614] Test
  [cf7118a7] UUIDs
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Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. To see why use `status --outdated -m`

@fonsp
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fonsp commented Mar 27, 2024

I opened JuliaWeb/HTTP.jl#1163 to be able to trace this issue

@fonsp fonsp changed the title Non-breaking HTTP errors at Pluto start HTTP error messages: "Server never wrote a response" May 23, 2024
@fonsp
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fonsp commented May 23, 2024 •
edited
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JuliaWeb/HTTP.jl#1163 is merged so update HTTP! You should now get a more helful error message from HTTP.jl.

If people encounter this error again, could you please post your error message here? The more the better!

@chunjiw @Alseidon do you still get the error message?

@Alseidon
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@chunjiw @Alseidon do you still get the error message?

It's been quite some time since I last encountered the error, but I'll post if I get it again!

@Alseidon
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Alseidon commented May 30, 2024 •
edited
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do you still get the error message?

Just got it again!

julia> using Pluto

julia> Pluto.run()
[ Info: Loading...
┌ Error: handle_connection handler error. 
│ 
│ ===========================
│ HTTP Error message:
│ 
│ ERROR: Server never wrote a response.
│ 
│ HTTP.Messages.Request:
│ """
│ GET / HTTP/1.1
│ Host: localhost:1234
│ User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0
│ Accept: */*
│ Accept-Language: fr,en-US;q=0.7,en;q=0.3
│ Accept-Encoding: gzip, deflate, br
│ Sec-WebSocket-Version: 13
│ Origin: http://localhost:1234
│ Sec-WebSocket-Extensions: permessage-deflate
│ Sec-WebSocket-Key: SVXbdRbx81I/x/veOj78pw==
│ DNT: 1
│ Connection: keep-alive, Upgrade
│ Cookie: ******
│ Sec-Fetch-Dest: empty
│ Sec-Fetch-Mode: websocket
│ Sec-Fetch-Site: same-origin
│ Pragma: no-cache
│ Cache-Control: no-cache
│ Upgrade: websocket
│ 
│ """
│ Stacktrace:
│  [1] error(s::String)
│    @ Base ./error.jl:35
│  [2] handle_connection(f::Function, c::HTTP.Connections.Connection{Sockets.TCPSocket}, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│    @ HTTP.Servers ~/.julia/packages/HTTP/sJD5V/src/Servers.jl:472
│  [3] (::HTTP.Servers.var"#16#17"{Pluto.var"#385#395"{Pluto.ServerSession, Pluto.var"#280#282"{Pluto.var"#283#285"{HTTP.Handlers.Router{typeof(Pluto.default_404), typeof(HTTP.Handlers.default405), Nothing}}, Pluto.ServerSession}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.Connections.Connection}, Int64, Nothing, ReentrantLock, Base.Semaphore, HTTP.Connections.Connection{Sockets.TCPSocket}})()
│    @ HTTP.Servers ~/.julia/packages/HTTP/sJD5V/src/Servers.jl:401
│   request =
│    HTTP.Messages.Request:
│    """
│    GET / HTTP/1.1
│    Host: localhost:1234
│    User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0
│    Accept: */*
│    Accept-Language: fr,en-US;q=0.7,en;q=0.3
│    Accept-Encoding: gzip, deflate, br
│    Sec-WebSocket-Version: 13
│    Origin: http://localhost:1234
│    Sec-WebSocket-Extensions: permessage-deflate
│    Sec-WebSocket-Key: SVXbdRbx81I/x/veOj78pw==
│    DNT: 1
│    Connection: keep-alive, Upgrade
│    Cookie: ******
│    Sec-Fetch-Dest: empty
│    Sec-Fetch-Mode: websocket
│    Sec-Fetch-Site: same-origin
│    Pragma: no-cache
│    Cache-Control: no-cache
│    Upgrade: websocket
│    
│    """
└ @ HTTP.Servers ~/.julia/packages/HTTP/sJD5V/src/Servers.jl:483
┌ Info: 
└ Opening http://localhost:1234/?secret=Vd4STvil in your default browser... ~ have fun!
┌ Info: 
│ Press Ctrl+C in this terminal to stop Pluto
└

with Pluto v0.19.42.

@Alseidon
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Alseidon commented May 30, 2024 •
edited
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After a very complete study of 5 julia+Pluto restarts on my laptop, my wild guess is that it happens when I don't close the Pluto window from last session on my web browser, and start a new session. No idea on how to confirm whether this is really the cause though.

fonsp added a commit that referenced this issue Jun 3, 2024
@fonsp
Fix #2734
0d1306f
@fonsp fonsp linked a pull request Jun 3, 2024 that will close this issue
Fix #2734 #2931
Merged
@chunjiw
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chunjiw commented Jun 10, 2024

I also get almost exactly the same error as @Alseidon

@fonsp
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fonsp commented Jun 11, 2024

Should be fixed by #2931 which will be released soon! Thanks for the debugging info

@fonsp fonsp closed this as completed in db0660b Jun 25, 2024
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Fix #2734 fonsp/Pluto.jl
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@fonsp @chunjiw @pankgeorg @rikhuijzer @Alseidon