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azavea / acs-alchemist

ACS Alchemist is a tool that can help you extract specific portions of the American Community Survey (ACS) in Shapefile format.
GNU General Public License v3.0
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Program is unable to locate data #32

Open joshkoe opened 7 years ago

joshkoe commented 7 years ago

Alchemist has recently encountered issues, and will no longer operate. For example, when running a query for total population at the Pennsylvania census block group level for 2014, the following error messages appear: When downloading the column mappings files - Could not download file at http://www2.census.gov/programs-surveys/acs/summary_file/2014/data/2014_5yr_Summary_FileTemplates.zip

When downloading the census data - Could not download file at http://www2.census.gov/programs-surveys/acs/summary_file/2014/data/5_year_by_state/Pennsylvania_Tracts_Block_Groups_Only.zip

Perhaps this may be due to census data sites changing? These same queries have worked on 3/24/17 with no issues. Any help would be greatly appreciated!

kshepard commented 7 years ago

Thanks for reporting. The census data has been moved behind SSL, and only supports TLS v1.2. This project is built on .NET 3.5 which doesn't support TLS v1.2. We will need to upgrade to .NET 4.5 in order to fix this issue.