Simple use of Services with JSON

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ilovedrupal-gdo's picture
Posted by ilovedrupal-gdo on June 18, 2009 at 7:05pm

I am trying a simple test with Drupal 6, Services, JSON Server but am running into the following error. To make things as simple as possible, I tried this with the curl command line program (although I have also tried it in python and php). I have services and json server installed and can go to services at mysite.com/admin/build/services/browse/service.name and successfully browse a view I made using views.get. I also did this with node.get However (all on the same machine) when I try:

curl --data method=views.get --data view_name="myview" http://mysite/services/json

or

curl --data method=system.getServices http://mysite/services/?q=services/json

or

curl --data method=system.connect http://mysite/services/?q=services/json

etc...

I always get:

{ "#error": true, "#data": "Invalid method " }

http://drupal.org/node/239806

although I see that is it using a service called echo.

Can anyone help with this?

Thanks very much

Categories:

Comments

Any luck with this?

Posted by yajnin on July 17, 2009 at 11:09pm
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Any luck with this?

Works for me

Posted by wendelj on September 30, 2009 at 4:34am
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I tested out the last two examples against my server and they worked fine.

Output from last one since it's short.

curl --data method=system.connect http://{mysite}/services/?q=services/json

{ "#error": false, "#data": { "sessid": "45572a32241703b5c7fd0f03d1d8466f", "user": { "uid": 0, "hostname": "{ip removed}", "roles": { "1": "anonymous user" }, "session": "", "cache": 0 } } }j

do you still have trouble?

Posted by pbharrin on October 6, 2009 at 7:48pm
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I would leave out the first services ie:
http://{mysite}/?q=services/json

I still have troubles

Posted by wira.perdana on October 13, 2009 at 12:49am
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I always get: { "#error": true, "#data": "Invalid method " } in any cases.

http://{mysite}/?q=services/json
http://{mysite}/services/?q=services/json
http://{mysite}/services/json
http://{mysite}/services/services/json

none of the methods work.

any suggestions?

Sorted it...

Posted by nicholasThompson on November 1, 2009 at 10:54pm
nicholasThompson's picture

vmtest6 is the name of one of dev sites. The key seems to be to wrap system.connect in quotes to make the json decode function treat it as a json string.

[nthompson@localhost ~]$ curl --data 'method="system.connect"' http://vmtest6/services/json
{ "#error": false, "#data": { "sessid": "01add0fjfgrql7ntf4p1211p94", "user": { "uid": 0, "hostname": "192.168.216.128", "roles": { "1": "anonymous user" }, "session": "", "cache": 0 } } }

same problem.. I always get {

Posted by upupax on November 4, 2009 at 5:58pm
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same problem..
I always get { "#error": true, "#data": "Invalid method " }

This worked for me: curl

Posted by burningdog on February 3, 2010 at 8:41pm
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This worked for me:

curl --data 'method="my_module.connect"' --data 'name="Roger Saner"' --data 'mail="me@example.com"' http://example.com/?q=services/json

The 'name' and 'mail' variables are arguments.

Enabling more modules

Posted by dodwyer on August 17, 2010 at 8:09am
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I found I had the same issues until I enabled the additional service modules, System Service, Views Service etc

Hope this helps.

Fixed with jQuery

Posted by nirvisual on August 26, 2010 at 4:27pm
nirvisual's picture

I kept getting 'invalid method' errors for all my requests using jQuery. A few things solved my problem:
1. Use $.post() instead of $.getJSON. The JSON Server module only answers POST requests.
2. As Nicholas said above, you have to quote EVERYTHING in a string. So for instance:
$.post('/services/json', 'method: "system.connect"')

Here's a little function set that will help you connect via jQuery:

function drupal_json_str(data){
var request_str = ''
for (arg in data){
request_str += arg+'='+'"'+data[arg]+'"&'
}
return request_str
}

function drupal_json_request(data){
return $.post('/services/json', drupal_json_str(data))
}
// Now you can call it like you THINK you should... with a frickin object
drupal_json_request({method: 'system.connect'})