Error: couldn't connect to server 127.0.0.1:27017 src/mongo/shell/mongo.js:91

[Russell Bateman]

I'm getting this error when, in fact, I don't think I'm even trying to do anything with 27017 because that's not the port I'm running MongoDB on.

Set-up: 5 replica nodes, ports 37017..37021.

I am trying to run the MongoDB shell and do stuff in the database on the VM running the node whose port number is 37017. I see this:

uas-replicas:PRIMARY> db.connect( "partnerdb" )
Tue Jan 22 14:19:43 Error: couldn't connect to server 127.0.0.1:27017 src/mongo/shell/mongo.js:91

Database partnerdb doesn't exist yet. I'm trying to create it new and stuff a new document inside a new collection inside it. It could be a peculiarity of replica sets, though I think I've done this before and it's worked. I can do all kinds of other things from the shell inside this running instance of MongoDB with no problem at all.

What am I missing?

Thanks for any help!

Russ

[Russell Bateman]

It appears that

    db.connect( dbname )

isn't a happy experience in the shell. I used

    use partnerdb

instead and that worked. What I'm looking for is how to write a JavaScript that I can use to update an existing database. I'm sure I've used db.connect() like this before, though. I'm not a super-duper JavaScript guy, however. In fact, before MongoDB, I did almost nothing in it.

Still hopeful for suggestions even though I've found a manual work-around.

[Jeff Lee]

Russell,

I think you want getSiblingDB?

e.g.

> db.version()

2.2.2

> show dbs

local (empty)

> db.getSiblingDB('mynewdb').foodle.save({id:1})

> show dbs

local (empty)

mynewdb 0.03125GB

> db.getSiblingDB('mynewdb').foodle.find()

{ "_id" : ObjectId("50ff2e1fb1b8d41aac46783d"), "id" : 1 }

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[Russell Bateman]

Oops, sorry. I keep making this knee-jerk mistake (beats about head violently with fists). No wonder no one answered the first time. The command I'm not successful with (that's giving me the error) is:

    db = connect( dbname )

...where dbname is a new database. The idea being that afterward, I'll be doing inserts like:

    db.collectionname.insert( { ... } )

I've fixed this in my examples below. Thanks for replying to my wrongly worded question, though.

Russ

On 1/22/2013 5:28 PM, Jeff Lee wrote:

Russell,

I think you want getSiblingDB?

e.g.

> db.version()

2.2.2

> show dbs

local (empty)

> db.getSiblingDB('mynewdb').foodle.save({id:1})

> show dbs

local (empty)

mynewdb 0.03125GB

> db.getSiblingDB('mynewdb').foodle.find()

{ "_id" : ObjectId("50ff2e1fb1b8d41aac46783d"), "id" : 1 }

On Tue, Jan 22, 2013 at 4:20 PM, Russell Bateman <ru...@windofkeltia.com> wrote:

It appears that

    db = connect( dbname )

isn't a happy experience in the shell. I used

    use partnerdb

instead and that worked. What I'm looking for is how to write a JavaScript that I can use to update an existing database. I'm sure I've used db = connect() like this before, though. I'm not a super-duper JavaScript guy, however. In fact, before MongoDB, I did almost nothing in it.

Still hopeful for suggestions even though I've found a manual work-around.

On 1/22/2013 3:29 PM, Russell Bateman wrote:

I'm getting this error when, in fact, I don't think I'm even trying to do anything with 27017 because that's not the port I'm running MongoDB on.

Set-up: 5 replica nodes, ports 37017..37021.

I am trying to run the MongoDB shell and do stuff in the database on the VM running the node whose port number is 37017. I see this:

uas-replicas:PRIMARY> db = connect( "partnerdb" )

Tue Jan 22 14:19:43 Error: couldn't connect to server 127.0.0.1:27017 src/mongo/shell/mongo.js:91

[gregor]

Connect connects to a new host 

http://docs.mongodb.org/manual/tutorial/write-scripts-for-the-mongo-shell/#mongo-shell-new-connections

not a database. 

Use

use <dbname>

db.<collectionname>.insert({ ... })