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brew install fail Mac OSX 10.12.4

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brew install fail Mac OSX 10.12.4

Randy C Polson

Hi-

I’m new to Octave and I’m trying to install it on a Mac running 10.12.4.  I’m using the “Simple Installation Instructions” from the wiki page.  The command from the terminal >>brew install octave  runs for a while and then gives an error about the jbig2dec-0.12.tar.gz file saying the SHA256 checksum doesn’t match:
######################################################################## 100.0%
Error: SHA256 mismatch
Expected: 5239e4eb991f198d2ba30d08011c2887599b5cead9db8b1d3eacec4b8912c2d0
Actual: 9cae6f2154b3e6270932a2f995c156cd49aa0e95296a3fbd088dbc448fc210b1
Archive: /Library/Caches/Homebrew/jbig2dec--patch-5239e4eb991f198d2ba30d08011c2887599b5cead9db8b1d3eacec4b8912c2d0.git;a=commitdiff_plain;h=70c7f1967f43a94f9f0d6808d6ab5700a120d2fc
To retry an incomplete download, remove the file above.

I’ve tried deleting the file and running the install command again and it gives the same result.  I also downloaded the file from a browser and copied it, same checksum.  What did I not do correctly?

Thanks,
Randy

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Re: brew install fail Mac OSX 10.12.4

Sebastian Schöps
Randy C Polson wrote
Hi-

I’m new to Octave and I’m trying to install it on a Mac running 10.12.4.  I’m using the “Simple Installation Instructions” from the wiki page.  The command from the terminal >>brew install octave  runs for a while and then gives an error about the jbig2dec-0.12.tar.gz file saying the SHA256 checksum doesn’t match:
==> Downloading http://git.ghostscript.com/?p=jbig2dec.git;a=commitdiff_plain;h=70c7f1967f43a94
######################################################################## 100.0%
Error: SHA256 mismatch
Expected: 5239e4eb991f198d2ba30d08011c2887599b5cead9db8b1d3eacec4b8912c2d0
Actual: 9cae6f2154b3e6270932a2f995c156cd49aa0e95296a3fbd088dbc448fc210b1
Archive: /Library/Caches/Homebrew/jbig2dec--patch-5239e4eb991f198d2ba30d08011c2887599b5cead9db8b1d3eacec4b8912c2d0.git;a=commitdiff_plain;h=70c7f1967f43a94f9f0d6808d6ab5700a120d2fc
To retry an incomplete download, remove the file above.

I’ve tried deleting the file and running the install command again and it gives the same result.  I also downloaded the file from a browser and copied it, same checksum.  What did I not do correctly?
Hi Randy,

first of all: just wait a bit and try again. It might be a temporary server issue.

The problem is not directly related to Octave. It seems that a ghostscript download failed. I will try to help you but I suggest to move the discussion to https://github.com/Homebrew/homebrew-science/issues. Feel free to add "@schoeps" to your description to ensure my attention.

Sebastian
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