Spring 3 upgrade & JSON Logging Support

[shahamit]

Description

This PR has mainly two important enhancements

1. Spring 3.1.2 upgrade changes
2. JSON logging support which enables us to ship the logs to a standard centralised EFK stack

The code changes are tested well and have been running well since a month
*

Related issues

JSON Logging Support as mentioned here.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 2 committers have signed the CLA.

❌ abhinav
❌ amitonlentra

---

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[shahamit]

I am unable to follow why does the CLA still is not signed since when I click this link I get the message that the agreement is already signed.

@saig0 - Please see the screenshot and guide me on what's pending from my side.

[saig0]

@shahamit please check the author of the commits.

The author of the commit are "abhinav" and "amitonlentra" but both are not linked to your GitHub account. You need to make sure to commit the changes with an email address that is linked to your GitHub account.

I'm very sorry for the delayed answer. 🙇