List of common kubernetes errors and solutions

Kubernetes related list of errors:

1. ImagePullBackOff: This error occurs when Kubernetes is unable to pull the container image specified in the pod specification.
2. CrashLoopBackOff: This error indicates that a container within a pod is crashing repeatedly and Kubernetes is unable to stabilize it.
3. FailedScheduling: This error occurs when Kubernetes is unable to schedule a pod onto a node due to resource constraints or other limitations.
4. ContainerCreating: While not necessarily an error, this status indicates that Kubernetes is still in the process of creating a container for the pod.
5. ErrImagePull: This error indicates that Kubernetes encountered an issue while trying to pull the container image specified in the pod specification.
6. InvalidImageName: This error occurs when the image name specified in the pod specification is invalid or cannot be resolved.
7. NodeNotReady: This error indicates that a node in the Kubernetes cluster is not ready to accept pods, usually due to connectivity or resource issues.
8. PodInitializing: Similar to ContainerCreating, this status indicates that Kubernetes is still in the process of initializing the containers within a pod.
9. Back-off restarting failed container: This error occurs when Kubernetes repeatedly tries to restart a container within a pod but fails each time.
10. Evicted: This error occurs when a pod is evicted from a node due to resource constraints or other reasons.
11. ImagePullError: This error indicates that Kubernetes encountered an error while trying to pull the container image specified in the pod specification.
12. PodPending: This status indicates that Kubernetes is in the process of scheduling a pod onto a node, but it has not yet been assigned to a node.

AWS EKS Related errors list:

1. AccessDeniedException: This error occurs when the IAM user or role doesn’t have sufficient permissions to perform actions on the EKS cluster or related AWS resources.
2. ResourceLimitExceeded: This error indicates that the EKS cluster has reached its resource limits, such as maximum number of nodes, pods, or services.
3. ClusterUnreachable: This error occurs when Kubernetes is unable to communicate with the EKS cluster, often due to network issues or misconfigured settings.
4. SubnetNotFound: This error indicates that the subnets specified for the EKS cluster’s VPC are not found or incorrectly configured.
5. NodeNotReady: This error occurs when a node in the EKS cluster is not ready to accept pods, usually due to connectivity or resource issues.
6. UnauthorizedOperation: This error indicates that the IAM user or role doesn’t have permissions to perform specific operations within the EKS cluster.
7. ServiceUnavailable: This error occurs when Kubernetes services deployed on the EKS cluster are unavailable, often due to misconfigurations or resource constraints.
8. InsufficientFreeAddresses: This error indicates that there are not enough free IP addresses available in the subnets for new pods in the EKS cluster.
9. KubeletNotReady: This error occurs when the kubelet service on a node in the EKS cluster is not ready, often due to issues with the node itself or its configuration.
10. SecurityGroupNotFound: This error indicates that the security group specified for the EKS cluster’s nodes or pods is not found or misconfigured.
11. EndpointConnectionError: This error occurs when Kubernetes is unable to establish a connection to the EKS cluster’s API server, often due to network issues or misconfigured DNS settings.
12. UnsupportedProtocol: This error indicates that the protocol used by a Kubernetes service or resource is not supported in the EKS cluster or its configuration.