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edited Feb 8, 2022 at 12:12

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When iI try to use the v.net.alloc (and other grass-tools) from the Processing Toolbox in the standalone QGIS 3.22.2 iI get this error:

I hopeDoes somebody out there has anhave a solution!? I am not skilled in coding, so I prefer a solution, which doesn't consist of coding. Otherwise iI need some guidance :-).

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edited Feb 4, 2022 at 12:32

MadMagister

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When I open ESGeo4W the "log messages, Plugins" says:

2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/grassplugin7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\grassplugin7.dll: The module was not found.)
2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/provider_grass7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\provider_grass7.dll: The module was not found.)
2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/provider_grassraster7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\provider_grassraster7.dll: The module was not found.)

But it seems that the files are in the library at the exact path:

When I open ESGeo4W the "log messages, Plugins" says:

2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/grassplugin7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\grassplugin7.dll: The module was not found.)
2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/provider_grass7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\provider_grass7.dll: The module was not found.)
2022-02-04T15:21:36     WARNING    Failed to load C:/OSGeo4W/apps/qgis/plugins/provider_grassraster7.dll (Reason: Cannot load library C:\OSGeo4W\apps\qgis\plugins\provider_grassraster7.dll: The module was not found.)

But it seems that the files are in the library at the exact path:

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asked Feb 4, 2022 at 10:39

MadMagister

31
2

Tools from grassplugin does not work in QGIS 3.22.2

I have a problem with the grassplugin in QGIS 3.22.2 Białowieża.

When i try to use the v.net.alloc (and other grass-tools) from the Processing Toolbox in the standalone QGIS 3.22.2 i get this error:

Starting GRASS GIS...

         WARNING: Concurrent mapset locking is not supported on Windows
         
         Cleaning up temporary files...
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         Executing ...
         
         
         
         C:\Users\(...)\Desktop>chcp 1252 1>NUL 
         
         
         
         C:\Users\(...)\Desktop>g.proj -c wkt="C:/Users/(...)/AppData/Local/Temp/processing_kpDgte/72ecb67feef54867a8ffc9851f208d7c/crs.prj" 
         
         ERROR: Unable to open file 'C:/Users/(...)/AppData/Local/Temp/processing_kpDgte/72ecb67feef54867a8ffc9851f208d7c/crs.prj' for reading
         
         
         
         C:\Users\(...)\Desktop>v.external input="C:\Users\(...)\Documents\QGIS 3.22.2\Filer\NoWeRoadsClip.gpkg" layer="NoWeRoadsClip" output="vector_61fcfbdc824465" --overwrite -o 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>v.external input="C:\Users\(...)\AppData\Local\Temp\processing_kpDgte\338535ea2f794f34aa5335eed3b3b187\points.shp" output="vector_61fcfbdc8ac636" --overwrite -o 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>g.region n=3.85878803973861 s=1.67431656130019 e=33.4332991925107 w=30.7408159002858 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>v.net -s input=vector_61fcfbdc824465 points=vector_61fcfbdc8ac636 output=net61fcfbdc8b4307 operation=connect threshold=50.0 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>v.db.connect -o map=net61fcfbdc8b4307 table=vector_61fcfbdc8ac636 layer=2 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>v.net.alloc input=net61fcfbdc8b4307 center_cats="1-100000" arc_type="line,boundary" method="from" output=outputb1bc55ad8d224638b8fd52cf3e777071 --overwrite 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>v.out.ogr type="line" input="outputb1bc55ad8d224638b8fd52cf3e777071" output="C:/Users/(...)/AppData/Local/Temp/processing_kpDgte/863fe868de224291809e7b8d459c9f4c/output.gpkg" format="GPKG" layer=1 --overwrite 
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         
         
         C:\Users\(...)\Desktop>exit
         
         Execution of finished.
         
         Cleaning up temporary files...
         
         access: No such file or directory
         
         ERROR: LOCATION not available

I have also installed the OSGeo4W version and used the the qgis.bat file, which was recommended in this thread: GRASS not working with QGIS says This algorithm cannot be run). It gives me another, but a similar error:

Starting GRASS GIS...

         WARNING: Concurrent mapset locking is not supported on Windows
         
         Cleaning up temporary files...
         
         access: No such file or directory
         
         ERROR: LOCATION not available
         
         Executing ...
         
         
         
         C:\OSGeo4W\bin>chcp 1252 1>NUL 
         
         
         
         C:\OSGeo4W\bin>g.proj -c wkt="C:/Users/(...)/AppData/Local/Temp/processing_yIaRlg/b0926c67e7da4b55aa86ca1dab885e50/crs.prj" 
         
         
         
         C:\OSGeo4W\bin>v.external input="C:\Users\(...)\Documents\QGIS 3.22.2\Filer\NoWeRoadsClip.gpkg" layer="NoWeRoadsClip" output="vector_61fd00041175b5" --overwrite -o 
         
         
         
         C:\OSGeo4W\bin>v.external input="C:\Users\(...)\AppData\Local\Temp\processing_yIaRlg\a8f0f145755f45769dc965461000b409\points.shp" output="vector_61fd0004190236" --overwrite -o 
         
         
         
         C:\OSGeo4W\bin>g.region n=3.85878803973861 s=1.67431656130019 e=33.4332991925107 w=30.7408159002858 
         
         
         
         C:\OSGeo4W\bin>v.net -s input=vector_61fd00041175b5 points=vector_61fd0004190236 output=net61fd0004197ed7 operation=connect threshold=50.0 
         
         
         
         C:\OSGeo4W\bin>v.db.connect -o map=net61fd0004197ed7 table=vector_61fd0004190236 layer=2 
         
         
         
         C:\OSGeo4W\bin>v.net.alloc input=net61fd0004197ed7 center_cats="1-100000" arc_type="line,boundary" method="from" output=outputfd1ccc6cf51a4af3a3f1f3a8f46c256f --overwrite 
         
         
         
         C:\OSGeo4W\bin>v.out.ogr type="line" input="outputfd1ccc6cf51a4af3a3f1f3a8f46c256f" output="C:/Users/(...)/AppData/Local/Temp/processing_yIaRlg/9139baba418549199f92fb65bd80661b/output.gpkg" format="GPKG" layer=1 --overwrite 
         
         
         
         C:\OSGeo4W\bin>exit
         
         Execution of finished.
         
         Cleaning up temporary files...
         
         access: No such file or directory
         
         ERROR: LOCATION not available

For me it seems that my paths are wrong. Therefore I tried to make the paths more simple, but it didn't work, so now I am back to default settings.

I hope somebody out there has an solution! I am not skilled in coding, so I prefer a solution, which doesn't consist of coding. Otherwise i need some guidance :-)

OBS: There is an Ø (danish letter) in some of the paths, where I have typed (...). Could that be the reason for my error?

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Tools from grassplugin does not work in QGIS 3.22.2