testrpc 2.0.0 - cannot find module 'memdown' about ganache-cli-archive HOT 16 CLOSED

Hmm, this shouldn't be an issue as merkle-patricia-tree (the dependency that requires memdown) has been a dependency from the start. Can you simply run npm install -g ethereumjs-testrpc again? I've been running into this a lot lately where npm skips over some dependencies, which are fixed with rerun.

For my purposes, which version of Node are you using?

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Also, running sudo vs. non-sudo can cause interesting results. I'd recommend not using sudo if you can, but that's mostly me repeating what I've heard from others.

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Thanks for the speedy response!

Tried running that again w/o sudo (failed) and with sudo -- but didn't resolve problem.

node 5.10.0
ubuntu 14.04 LTS
virtualbox 5.0.16 on a Mac

mowliv@u4:~$ sudo npm install -g ethereumjs-testrpc
[sudo] password for mowliv: 
/usr/bin/testrpc -> /usr/lib/node_modules/ethereumjs-testrpc/bin/testrpc
/usr/lib
└─┬ [email protected] 
  ├─┬ [email protected]
  │ └── [email protected]  (git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2)
  └─┬ [email protected]
    └─┬ [email protected] 
      ├── [email protected] 
      └── [email protected] 

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That's super odd. I'll have to fire up an ubuntu VM and try it out myself.

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Hmm, I was about to point you to your own ticket (#57) until I realized you were the author. Ugh, sorry about the installation issues.

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Thanks. That's pretty funny :)

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any update? facing same issue

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Unfortunately I haven't found anyone who's fixed this issue. Odd request: Could you downgrade your node version to 5.5? I'm not sure if it'll help, but I know there was another person who had an issue that was solved via a downgrade from 5.10. I'm not sure if this will be the solution, but I'd be interested to know if it is.

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No luck with node 5.5 even... :(

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Same problem here, node 4.4.3, npm 2.15.1, Ubuntu 14.04
Solved it using moscajs/mosca#413

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This one worked for me http://stackoverflow.com/a/31861021/422842. See the npm cache clear comment.

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cd /usr/local/lib/node_modules/ethereumjs-testrpc/
npm test this will probably fail
while still in the directory sudo npm install

run testrpc

if memdown still persist sudo npm install memdown while in the etheruemjs-testrpc directory

then run testrpc again should work

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I did what you said and this is what I got :((((

http://imgur.com/a/wAv0u

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Same problem here: node v0.10.25, npm 1.3.10, Ubuntu 14.04

Unsuccessfully tried

cd /usr/local/lib/node_modules/ethereumjs-testrpc/
npm test this will probably fail
while still in the directory sudo npm install

run testrpc

if memdown still persist sudo npm install memdown while in the etheruemjs-testrpc directory

then run testrpc again should work

and also

This one worked for me http://stackoverflow.com/a/31861021/422842. See the npm cache clear comment.

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Ok I tried everything in this thread and also some other random fixes from elsewhere so I can't be certain why mine is working now but here's some things to try:

• install memdown globally (last thing I did before it started to work)
  • npm install -g memdown
• go into testrpc's node_modules folder and run npm install from within the merkle-patricia-tree folder
  • cd /usr/local/lib/node_modules/ethereumjs-testrpc/node_modules/merkle-patricia-tree/
  • npm install

Keep trying things because you can get it to work!

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Thanks for everyone's input on this ticket. I'm doing housekeeping on open issues, and have realized that installation issues are best handled via a conversation on gitter, since everyone's configuration is different. I'm going to close this ticket, but definitely follow up in the ethereumjs's gitter if you're still having issues! http://gitter.im/ethereum/ethereumjs-lib

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