apt/maven/npm checksum failure on amazon ec2

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I’m recently encountering multiple download checksum failures when booting ec2 machine.
This manifests itself with sporadic failures of apt, maven and npm installs.
In one case that the pom checksum failed, I found a Fastly Debug message in the file.

Notes:

  1. I’m using the standard ubuntu 12.04 ec2 image with a user-data script and running sudo apt-get update and dist-upgrade before anything else.
  2. I acknowledge that preparing an image with packer.io would have reduced the number of sporadic failures, but that’s out-of-scope for this question.
  3. Could it be related moving from c1.medium to c3.large machines?

Answer

Attribution
Source : Link , Question Author : Itai Frenkel , Answer Author : Community

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