kind: List combined with other manifests triggers error "Missing 'metadata' key"

[AndiDog]

$ kubeval --version
Version: 0.15.0
Commit: df50ea7fd4fd202458002a40a6a39ffbb3125bad
Date: 2020-04-14T09:32:50Z

$ kubeval - <<EOF
---
apiVersion: v1
kind: Namespace
metadata:
  name: a
---
apiVersion: v1
kind: List
items:
  - apiVersion: v1
    kind: Namespace
    metadata:
      name: b
EOF
ERR  - stdin: Missing 'metadata' key

while kubeval fixtures/list_valid.yaml (containing only a List object and nothing else) works fine.

[mpon]

I think this problem will be fixed by #255

[ofen]

I'm not sure that this related but when I'm trying to check "kind: List" with valid list of secrets I have this error.

$ helm template my-chart/ | kubeval
ERR  my-chart/templates/secret.yaml: Missing 'metadata' key

$ kubeval --version
Version: 0.15.0
Commit: df50ea7fd4fd202458002a40a6a39ffbb3125bad
Date: 2020-04-14T09:32:29Z

[carlossg]

In 0.16.0 it fails with

ERR  - stdin: Failed initializing schema https://kubernetesjsonschema.dev/master-standalone/list-v1.json: Could not read schema from HTTP, response status is 404 Not Found