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<p>Hej there,</p>
<p><br>
</p>
<p>I am getting this strange (MD5 related?!) error during the build process and unfortunately, I don't have any idea how to approach it. It seems like I am not able to download the external data. Maybe the hashtag is not correct?! Did anyone encounter this
problem before?</p>
<p><br>
</p>
<p>Thank you very much for your help in advance.<br>
</p>
<p><br>
</p>
<p>See the error message here:</p>
<p><br>
</p>
<p>[ 0%] Generating /home/mijc/Documents/Development_Area/RTK/bin/ExternalData/test/Input/Spectral/incident_spectrum.mha<br>
-- Fetching "https://insightsoftwareconsortium.github.io/ITKTestingData/MD5/41ca9b9db6a1b95e8db36ff48f691cdf"<br>
-- Fetching "https://data.kitware.com:443/api/v1/file/hashsum/MD5/41ca9b9db6a1b95e8db36ff48f691cdf/download"<br>
-- Fetching "https://itk.org/files/ExternalData/MD5/41ca9b9db6a1b95e8db36ff48f691cdf"<br>
-- Fetching "https://slicer.kitware.com/midas3/api/rest?method=midas.bitstream.download&checksum=41ca9b9db6a1b95e8db36ff48f691cdf&algorithm=MD5"<br>
-- Fetching "https://insightsoftwareconsortium.github.io/ITKTestingData/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff"<br>
-- Fetching "https://data.kitware.com:443/api/v1/file/hashsum/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff/download"<br>
-- Fetching "https://itk.org/files/ExternalData/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff"<br>
-- Fetching "https://slicer.kitware.com/midas3/api/rest?method=midas.bitstream.download&checksum=315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff&algorithm=SHA512"<br>
CMake Error at /usr/local/share/cmake-3.14/Modules/ExternalData.cmake:1121 (message):<br>
<br>
<br>
Object MD5=41ca9b9db6a1b95e8db36ff48f691cdf not found at:<br>
<br>
https://insightsoftwareconsortium.github.io/ITKTestingData/MD5/41ca9b9db6a1b95e8db36ff48f691cdf ("Unsupported protocol")<br>
https://data.kitware.com:443/api/v1/file/hashsum/MD5/41ca9b9db6a1b95e8db36ff48f691cdf/download ("Unsupported protocol")<br>
https://itk.org/files/ExternalData/MD5/41ca9b9db6a1b95e8db36ff48f691cdf ("Unsupported protocol")<br>
https://slicer.kitware.com/midas3/api/rest?method=midas.bitstream.download&checksum=41ca9b9db6a1b95e8db36ff48f691cdf&algorithm=MD5 ("Unsupported protocol")<br>
<br>
Object<br>
SHA512=315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff<br>
not found at:<br>
<br>
https://insightsoftwareconsortium.github.io/ITKTestingData/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff ("Unsupported protocol")<br>
https://data.kitware.com:443/api/v1/file/hashsum/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff/download ("Unsupported protocol")<br>
https://itk.org/files/ExternalData/SHA512/315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff ("Unsupported protocol")<br>
https://slicer.kitware.com/midas3/api/rest?method=midas.bitstream.download&checksum=315f410d858da64079b587826c5e8668c3ec0c41fc59a4c68a0f183d1678a89c6b240e39e1fbccdc0cedda20d53234f0c67761dfa7e04608009b44deee175dff&algorithm=SHA512 ("Unsupported protocol")<br>
<br>
<br>
CMakeFiles/ITKData.dir/build.make:130: recipe for target 'ExternalData/test/Input/Spectral/incident_spectrum.mha-hash-stamp' failed<br>
make[2]: *** [ExternalData/test/Input/Spectral/incident_spectrum.mha-hash-stamp] Error 1<br>
CMakeFiles/Makefile2:72: recipe for target 'CMakeFiles/ITKData.dir/all' failed<br>
make[1]: *** [CMakeFiles/ITKData.dir/all] Error 2<br>
Makefile:140: recipe for target 'all' failed<br>
make: *** [all] Error 2<br>
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