Automatic merge from submit-queue
Display line number on JSON errors
Related issue: https://github.com/kubernetes/kubernetes/issues/12231
This PR will introduce line numbers for all JSON errors in the CLI:
(this is existing error reporting for YAML)
```console
$ kubectl create -f broken.yaml
yaml: line 8: mapping values are not allowed in this context
```
(this is error reporting proposed in this PR for JSON)
```console
$ kubectl create -f broken.json
json: line 35: invalid character '{' after object key
```
(and this is the current reporting:)
```console
$ kubectl create -f broken.json
invalid character '{' after object key
```
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