If I use either Mist or MetaMask, I get the error message:

Unable to connect to http://localhost:8545. Invalid JSON RPC response: ""

How can I connect to the Remix localhost?


You're waiting for the Remix team to add support. Currently they only support local nodes running, but marked the issue as "soon" on October 4th:


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I haven't actually used Mix, the Dapp IDE myself, but based on their documentation, and that error, it looks like it requires a local node running, and does not take advantage of an injected web3 API, the way Mist and MetaMask provide.

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  • I am running a local geth node with Mist :/ – CBobRobison Nov 3 '16 at 20:31
  • I'm not sure Mist actually exposes its local geth node's port. MIX definitely requires a server on port 8545. – DanF Nov 3 '16 at 22:18
  • You are confusing Mix with Remix. Mix was discontinued in favor of Remix. – Afr Nov 9 '16 at 14:05

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