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Salesforce & LinkedIn Developer API: 401 – Unauthorized

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I’m not going to get into the boilerplate code you’ll need in order to get OAuth up and running as it’s pretty straight forward, but I did run into a peculiar issue which took me some time to narrow down. To reproduce these steps you’ll need to: Correctly setup OAuth between the Force.com Platform and LinkedIn Authorise access to your LinkedIn account Attempt to fetch a resource using an API endpoint such as: http://api.linkedin.com/v1/people/~/network/updates?scope=self When attempting to make the call out in step 3 you’ll get a “401 – Unauthorized” error. So to be clear OAuth is working perfectly but a call like this one will still result in the error. After some troubleshooting I noticed that some API endpoints didn’t result in the error e.g. http://api.linkedin.com/v1/people/id=abcdefg/network/updates?scope=self. At this point I realised the issue was probably the tilde (‘~’) character in the URI. Grasping at straws I manually replaced the tilde with …

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Force.com vs GAE + GWT

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Salesforce could be regarded as the cloud computing leader but history tells us that many-a-giant has fallen before. Apple has; Microsoft has; IBM has. I think Salesforce is still on the up ‘n up, but there are contenders out there and some of them are noteworthy; probably the most obvious of these is Google. Over the past few months I’ve dug into the Google cloud platform and I thought it was time to attempt a side-by-side comparison of my two favourite PaaS providers.

The bigger they are ...

Some quick definitions are probably in order:

Force.com is a cloud computing platform as a service offering from Salesforce, the first of its kind allowing developers to build multi tenant applications that are hosted on their servers as a service.

Google App Engine is a platform for developing and hosting web applications in Google-managed data centers.

Google Web Toolkit (GWT) is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.

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