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I'm facing an error while running truffle compile-

Error: Failed to fetch the Solidity compiler from the following locations: https://relay.trufflesuite.com/solc/bin/,https://solc-bin.ethereum.org/bin/,https://ethereum.github.io/solc-bin/bin/. Are you connected to the internet?

Here is my truffle-config.js -

require("babel-register");
require("babel-polyfill");

module.exports = {
  networks: {
    development: {
      host: "HTTP://127.0.0.1:",
      port: "7545",
      networkd_id: "*", //match any network
    },
  },
  contracts_directory: "./src/contracts/",
  contracts_build_directory: "./src/truffle_abis",
  compilers: {
    solc: {
      version: "^0.5.0",
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },
};
3
  • It seems a network issue. Try again later, check with another internet provider, or the proxy configuration if it applies in your case.
    – Ismael
    Aug 14, 2022 at 16:10
  • @Ismael, it is actually not. It's quite a common error right now that is faced by windows users trying to use truffle.
    – user
    Sep 26, 2022 at 21:40
  • this problem is solved when I use sudo truffle compile.
    – Aryan Raj
    Oct 8, 2022 at 8:55

2 Answers 2

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Run npm doctor to check your node environment health, this should fix the problem.

If it persists, consider downloading node.js using a version manager like nvm, then rerun npm doctor. this way you won't have to use sudo truffle compile.

0

My env is MACOS. I meet the same problem, and I solve this by using "sudo truffle compile".This works. this problem comes out with my webstorm integrated terminal.But in the MACOS's self-terminal. It works without "sudo".You can try my way.

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  • 1
    For trivial task like compiling a contract using sudo is in general a bad idea. The problem is likely a bad node o truffle installation. You could use a node installation manger like nvm to avoid using sudo unnecesarily.
    – Ismael
    Feb 12 at 1:59
  • Yes, I want to deploy my contract asap in order to continue my next step, so I use this way. I didn't solve the problem for several hours. I saw the same advice as yours from Github. I will try next time. Thanks~.
    – J.Domino
    Feb 16 at 6:58

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