ERR unknown command 'evalsha'

[William Ang]

So I'm trying to get the first-project example working, and I've installed the latest redis, mongodb, and derby.js. Everything seems to install fine, the mongo-db and redis services started up after install, and I create the first-project example. When I try to add something to the list on the example page, nothing happens, and then when I refresh the page, I get this:

> ./node_modules/coffee-script/bin/coffee server.coffee

Master pid  10884

10890 listening. Go to: http://localhost:3000/

Rollback a create from state ready

/home/william/first-project/node_modules/redis/index.js:516

                throw callback_err;

                      ^

Error: ERR unknown command 'evalsha'

  at ReplyParser.<anonymous> (/home/william/first-project/node_modules/redis/index.js:263:27)

  at ReplyParser.EventEmitter.emit (events.js:95:17)

  at ReplyParser.send_error (/home/william/first-project/node_modules/redis/lib/parser/javascript.js:296:10)

  at ReplyParser.execute (/home/william/first-project/node_modules/redis/lib/parser/javascript.js:181:22)

  at RedisClient.on_data (/home/william/first-project/node_modules/redis/index.js:488:27)

  at Socket.<anonymous> (/home/william/first-project/node_modules/redis/index.js:82:14)

  at Socket.EventEmitter.emit (events.js:95:17)

  at Socket.<anonymous> (_stream_readable.js:736:14)

  at Socket.EventEmitter.emit (events.js:92:17)

  at emitReadable_ (_stream_readable.js:408:10)

  at emitReadable (_stream_readable.js:404:5)

  at readableAddChunk (_stream_readable.js:165:9)

  at Socket.Readable.push (_stream_readable.js:127:10)

  at TCP.onread (net.js:526:21)

I tried reinstallling Redis again to see if that was the problem, but I still get the same error. Any ideas?

[Nate Smith]

Which version of Red is are you using? 2.6 or higher is required

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[William Ang]

Just downloaded Redis 2.6.14 today and am using that.

[Brian Noguchi]

Are you running the correct Redis binary? What version is printed out to the console when you run

$ redis-server --version

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[William Ang]

Oops- turns out that it's running redis server version 2.2.12, which is weird since I reinstalled the 2.6. I'll see if I can't fix that; at least I know the problem now. Thanks for  the suggestion.