WEBGL building error with developer

Questions & Answers
1

Hello im trying to troubleshoot an issue and build out in development build but it errors out with the below errors
when i do not build with development mode - no issues…
anyone know where to look for the below errors?

thanks!

stdout:
stderr:warning: unexpected number of arguments 1 in call to '__cxa_pure_virtual', should be 0warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 5 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0warning: unexpected number of arguments 3 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0error: unresolved symbol: sendfileAborting compilation due to previous errors | undefinedTraceback (most recent call last):  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc.py", line 3063, in     sys.exit(run())  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc.py", line 1780, in run    final = shared.Building.emscripten(final, append_ext=False, extra_args=extra_args)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten	ools\shared.py", line 2274, in emscripten    emscripten._main(cmdline)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2233, in _main    return temp_files.run_and_clean(lambda: main(  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten	ools	empfiles.py", line 93, in run_and_clean    return func()  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2238, in     DEBUG=DEBUG,  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 2164, in main    temp_files=temp_files, DEBUG=DEBUG)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 86, in emscript    glue, forwarded_data = compiler_glue(metadata, libraries, compiler_engine, temp_files, DEBUG)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 218, in compiler_glue    glue, forwarded_data = compile_settings(compiler_engine, libraries, temp_files)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten.py", line 541, in compile_settings    cwd=path_from_root('src'), error_limit=300)  File "C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten	ools\jsrun.py", line 132, in run_js    raise Exception('Expected the command ' + str(command) + ' to finish with return code ' + str(assert_returncode) + ', but it returned with code ' + str(proc.returncode) + ' instead! Output: ' + str(ret)[:error_limit])Exception: Expected the command ['C:/Program Files/Unity/Hub/Editor/2019.4.1f1/Editor/Data\\Tools\

odejs
ode.exe’, ‘–stack_size=8192’, ‘–max-old-space-size=4096’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\src\compiler.js’, ‘C:\Users\bill_\AppData\Local\Temp\ mplfsai1.txt’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Audio.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Cursor.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Eval.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\FileSystem.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Logging.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Profiler.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\SystemInfo.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\UnetWebSocket.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Video.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\WebCam.js’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\WebRequest.js’, ‘D:\Unity\UnityProjs\Vaults With Addressables 2019 WebGL\Library\PackageCache\com.unity.analytics@3.3.5\Plugins\WindowUtil.jslib’, ‘C:\Program Files\Unity\Hub\Editor\2019.4.1f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\src\library_pthread_stub.js’] to finish with return code 0, but it returned with code 1 instead! Output: // The Module object: Our interface to the outside world. We import// and export values on it. There are various ways Module can be used:// 1. Not defined. We create it here// 2. A function parameter, function(Module) { …generated code… }// 3. pre-run appended it, var Module = {}; …generated
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

2

Same problem here on Unity 2019.4.38f1

Console output:

Failed running command "C:/Program Files/Unity/Hub/Editor/2019.4.38f1/Editor/Data/PlaybackEngines/WebGLSupport\BuildTools\Emscripten_Win\python\2.7.5.3_64bit\python.exe" -E "C:/Program Files/Unity/Hub/Editor/2019.4.38f1/Editor/Data/PlaybackEngines/WebGLSupport\BuildTools\Emscripten\emcc" @"C:\Users\Michal\Perforce\mrobaczyk_VOXBOX_UI\VOXBOX\Assets\..\Temp\emcc_arguments.resp" (process exit code: 1) UnityEditor.BuildPipeline:BuildPlayer (UnityEditor.BuildPlayerOptions) BuildScript/d__35:MoveNext () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:335) System.Runtime.CompilerServices.AsyncVoidMethodBuilder:Startd__35> (BuildScript/d__35&) BuildScript:Build (BuildPlatform,UnityEditor.BuildOptions) BuildScript:PerformWebGL_20DevelopmentBuild () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:97) BuildWindow:Build () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:61) BuildWindow:OnGUI () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:49) UnityEngine.GUIUtility:ProcessEvent (int,intptr)

Failed process stderr log: warning: unexpected number of arguments 1 in call to '__cxa_pure_virtual', should be 0 warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 warning: unexpected number of arguments 5 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 warning: unexpected number of arguments 4 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 warning: unexpected number of arguments 3 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv', should be 0 ERROR:root:'C:/Program Files/Unity/Hub/Editor/2019.4.38f1/Editor/Data/PlaybackEngines/WebGLSupport\BuildTools\Emscripten_FastComp_Win\binaryen\bin\asm2wasm C:\Users\Michal\Perforce\mrobaczyk_VOXBOX_UI\VOXBOX\Temp\StagingArea\Data\linkresult_wasm\build.temp.asm.js --total-memory=33554432 --trap-mode=allow -O3 --mem-init=C:\Users\Michal\Perforce\mrobaczyk_VOXBOX_UI\VOXBOX\Temp\StagingArea\Data\linkresult_wasm\build.js.mem --mem-base=1024 --mem-max=536870912 --wasm-only -g --symbolmap=C:\Users\Michal\Perforce\mrobaczyk_VOXBOX_UI\VOXBOX\Temp\StagingArea\Data\linkresult_wasm\build.js.symbols -o C:\Users\Michal\Perforce\mrobaczyk_VOXBOX_UI\VOXBOX\Temp\StagingArea\Data\linkresult_wasm\build.wasm' failed UnityEditor.BuildPipeline:BuildPlayer (UnityEditor.BuildPlayerOptions) BuildScript/d__35:MoveNext () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:335) System.Runtime.CompilerServices.AsyncVoidMethodBuilder:Startd__35> (BuildScript/d__35&) BuildScript:Build (BuildPlatform,UnityEditor.BuildOptions) BuildScript:PerformWebGL_20DevelopmentBuild () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:97) BuildWindow:Build () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:61) BuildWindow:OnGUI () (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:49) UnityEngine.GUIUtility:ProcessEvent (int,intptr)

Exception: Failed building WebGL Player. UnityEditor.WebGL.ProgramUtils.StartProgramChecked (System.Diagnostics.ProcessStartInfo p) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/ProgramUtils.cs:52) UnityEditor.WebGL.WebGlBuildPostprocessor.EmscriptenLink (UnityEditor.Modules.BuildPostProcessArgs args, System.Boolean wasmBuild, System.String sourceFiles, System.String sourceFilesHash) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:445) UnityEditor.WebGL.WebGlBuildPostprocessor.LinkBuild (UnityEditor.Modules.BuildPostProcessArgs args) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:495) UnityEditor.WebGL.WebGlBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args) (at /Users/bokken/buildslave/unity/build/PlatformDependent/WebGL/Extensions/Unity.WebGL.extensions/BuildPostprocessor.cs:933) UnityEditor.Modules.DefaultBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at <08ca0824d26d46358a0d2a984270234d>:0) UnityEditor.PostprocessBuildPlayer.Postprocess (UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target, System.String installPath, System.String companyName, System.String productName, System.Int32 width, System.Int32 height, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at <08ca0824d26d46358a0d2a984270234d>:0) UnityEditor.BuildPipeline:BuildPlayer(BuildPlayerOptions) d__35:MoveNext() (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:335) System.Runtime.CompilerServices.AsyncVoidMethodBuilder:Start(d__35&) BuildScript:Build(BuildPlatform, BuildOptions) BuildScript:PerformWebGL_20DevelopmentBuild() (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildScript.cs:97) BuildWindow:Build() (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:61) BuildWindow:OnGUI() (at Assets/ARA/General/Scripts/Editor/BuildScripts/BuildWindow.cs:49) UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)