ERROR: While executing gem ... (Zlib::GzipFile::Error) not in gzip format

compass-sass, ruby, rubygems, sass, sencha-touch

Solution

I assume the ERROR occurs since the web sense at my workplace blocks these downloads.

Solution: I downloaded the required gems: chunky_png, fssm, compass, sass, haml etc.. directly from http://rubygems.org/gems and placed these gems in my local directory.

After this I tried `gem install compass`. This first searches your local directory. On finding the required gems, installation takes place. Does not require connection to the ruby website.

Note: Run the command from the path where the gems are located

eg: I have placed the gems in C:\Ruby193\lib\ruby\gems\1.9.1\gems

So I run the following command :

`C:\Ruby193\lib\ruby\gems\1.9.1\gems>gem install compass`

Problem

I am developing a Sencha touch 2 application. I have been following the "Styling the user interface of a Sencha Touch application" tutorial on theming of secha touch applications. It requires me to install Ruby, Compass and SASS. I installed Ruby using the installer from rubyinstaller.org. On executing the following command, I get the expected result which confirms correct installation: ``` C:\>ruby -v ruby 1.9.3p327 (2012-11-10) [i386-mingw32] ``` Current source is up to date: ``` C:\>gem sources ** CURRENT SOURCES ** http://rubygems.org/ ``` Next, since I am behind a proxy, I used the following command to install HAML/Compass: ``` C:\>gem install -p [proxy:port] compass ERROR: While executing gem ... (Zlib::GzipFile::Error) not in gzip format** ``` Can someone help me? I found solutions such as system update, gem sources update, but everything is up to date on my system. Edit: ``` C:\>gem install compass ``` works perfectly fine on my private system. When I try the same command from my workplace I need to use the proxy as mentioned above and that results in an error.

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