This error occurs when applying a JSONPatch to a Kubernetes resource that has invalid syntax or attempts invalid operations, typically when using kubectl patch.
The "Invalid JSONPatch" error indicates that the patch operation doesn't follow proper JSONPatch format.
echo '{"spec":{"replicas":3}}' | jq .
kubectl patch deployment myapp --type=merge -p '{"spec":{"replicas":3}}'
Paths follow RFC 6901: /spec/replicas, /metadata/labels/app
kubectl explain deployment.spec.selector
JSONPatch (RFC 6902): add, remove, replace, move, copy, test operations.
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kubectl patch ... --dry-run=client -o yaml