I am installing Apache Maven onto my Ubuntu 12.04; and sudo apt-get install maven gives me 229 MB of file to download. On the other hand, going to Apache Maven site, I can download a 7 MB file. What could be the reason behind this?

A screenshot of the offer I am getting from apt-get

  • Could you post a link to that file you want to download? Maybe it is just an downloader/installer, that downloads and installs the program when you launch it (and gets the remaining 229MB then). Are you sure you got the Ubuntu version and nothing for Windows too?
    – Byte Commander
    Mar 9 '15 at 13:10
  • Did you also add Java to the download size of 7MB?
    – muru
    Mar 9 '15 at 13:10
  • @muru No, I have downloaded and configured Oracle JDK. I only need to install Maven.
    – Andromeda
    Mar 9 '15 at 13:16
  • @ByteCommander the site is <maven.apache.org/dowload.cgi> there is no installer.
    – Andromeda
    Mar 9 '15 at 13:23

You are conflating three things:

  • the size of Maven itself
  • the size of Maven + all its dependencies, like Java
  • the size of the compressed packages (vs its actual size).

The size of the Maven package is only about 1.3 MB because of compression (see apt-cache show maven | grep -i size). The total size of the packages you are installing is 139 MB (compressed, which is what you'll download) - 229 MB after unpacking. This includes the OpenJDK 6 JDK.

Since you have already installed Oracle JDK, it might be best for you to manually install Maven, instead of using apt, since you'll have to download the OpenJDK version as well if you use apt.

If you want to be fair, add the size of the Oracle JDK (around 135 MB) to that 7 MB, which should tell you it's around the same size as well.

  • Thanks, I thought apt-get should have asked me if I needed the dependencies like JDK, which I already have.
    – Andromeda
    Mar 9 '15 at 13:26
  • @Andromeda apt cannot ask, it since what happens outside of packages is none of its business.
    – muru
    Mar 9 '15 at 13:29
  • is that what they call a stub installer?
    – j0h
    Mar 9 '15 at 14:55
  • @j0h the maven package? I doubt it. I didn't want to install Java, so I didn't actually install it.
    – muru
    Mar 9 '15 at 14:56

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