{"id":40532,"date":"2023-09-28T08:23:05","date_gmt":"2023-09-28T08:23:05","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=40532"},"modified":"2023-09-28T08:23:07","modified_gmt":"2023-09-28T08:23:07","slug":"%f0%9d%91%bc%f0%9d%92%8f%f0%9d%92%85%f0%9d%92%86%f0%9d%92%93%f0%9d%92%94%f0%9d%92%95%f0%9d%92%82%f0%9d%92%8f%f0%9d%92%85%f0%9d%92%8a%f0%9d%92%8f%f0%9d%92%88-%f0%9d%91%b2%f0%9d%92%96%f0%9d%92%83","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/%f0%9d%91%bc%f0%9d%92%8f%f0%9d%92%85%f0%9d%92%86%f0%9d%92%93%f0%9d%92%94%f0%9d%92%95%f0%9d%92%82%f0%9d%92%8f%f0%9d%92%85%f0%9d%92%8a%f0%9d%92%8f%f0%9d%92%88-%f0%9d%91%b2%f0%9d%92%96%f0%9d%92%83\/","title":{"rendered":"\ud835\udc7c\ud835\udc8f\ud835\udc85\ud835\udc86\ud835\udc93\ud835\udc94\ud835\udc95\ud835\udc82\ud835\udc8f\ud835\udc85\ud835\udc8a\ud835\udc8f\ud835\udc88 \ud835\udc72\ud835\udc96\ud835\udc83\ud835\udc86\ud835\udc93\ud835\udc8f\ud835\udc86\ud835\udc95\ud835\udc86\ud835\udc94 \ud835\udc77\ud835\udc90\ud835\udc85 \ud835\udc87\ud835\udc82\ud835\udc8a\ud835\udc8d\ud835\udc96\ud835\udc93\ud835\udc86\ud835\udc94"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Pods can have startup and runtime errors.<\/p>\n\n\n\n

Startup errors include:<\/h2>\n\n\n\n

\u2705 ImagePullBackoff
\u2705 ImageInspectError
\u2705 ErrImagePull
\u2705 ErrImageNeverPull
\u2705 RegistryUnavailable
\u2705 InvalidImageName<\/p>\n\n\n\n

Runtime errors include:<\/h2>\n\n\n\n

\ud83d\udccc
\u2705 CrashLoopBackOff
\u2705 RunContainerError
\u2705 KillContainerError
\u2705 VerifyNonRootError
\u2705 RunInitContainerError
\u2705 CreatePodSandboxError
\u2705 ConfigPodSandboxError
\u2705 KillPodSandboxError
\u2705 SetupNetworkError
\u2705 TeardownNetworkError<\/p>\n\n\n\n

\ud835\udc70\ud835\udc8e\ud835\udc82\ud835\udc88\ud835\udc86\ud835\udc77\ud835\udc96\ud835\udc8d\ud835\udc8d\ud835\udc69\ud835\udc82\ud835\udc84\ud835\udc8c\ud835\udc76\ud835\udc87\ud835\udc87<\/h2>\n\n\n\n

\u2757
\u270d This error appears when\u00a0#k8s<\/a>\u00a0isn’t able to retrieve the image for one of the\u00a0#containers<\/a>\u00a0of the Pod.
There are three common culprits:
\u2705 The image name is invalid
\u2705 You specified a non-existing tag for the image.
\u2705 The image that you’re trying to retrieve belongs to a private registry and the cluster doesn’t have credentials to access it.
The first two cases can be solved by correcting the image name and tag.
For the last, one should add the credentials to your private registry in a Secret and reference it in the Pods<\/p>\n\n\n\n

\ud835\udc79\ud835\udc96\ud835\udc8f\ud835\udc6a\ud835\udc90\ud835\udc8f\ud835\udc95\ud835\udc82\ud835\udc8a\ud835\udc8f\ud835\udc86\ud835\udc93\ud835\udc6c\ud835\udc93\ud835\udc93\ud835\udc90\ud835\udc93<\/h2>\n\n\n\n

\u2757
\u270d The error appears when the container is unable to start before application
Common causes:
\u2705 Mounting a not-existent volume such as ConfigMap or Secrets
\u2705 Mounting a read-only volume as read-write
More detailed aspect can be found by describing the ‘failed’ pod<\/p>\n\n\n\n

\ud835\udc6a\ud835\udc93\ud835\udc82\ud835\udc94\ud835\udc89\ud835\udc73\ud835\udc90\ud835\udc90\ud835\udc91\ud835\udc69\ud835\udc82\ud835\udc84\ud835\udc8c\ud835\udc76\ud835\udc87\ud835\udc87<\/h2>\n\n\n\n

\u2757
\u270d If the container can’t start, then\u00a0#Kubernetes<\/a>\u00a0shows the CrashLoopBackOff message as a status.
Usually, a container can’t start when:
\u2705 There’s an error in the application that prevents it from starting.
\u2705 You\u00a0misconfigured the container.
\u2705 The Liveness probe failed too many times.<\/p>\n\n\n\n

\ud835\udc77\ud835\udc90\ud835\udc85\ud835\udc94 \ud835\udc8a\ud835\udc8f \ud835\udc82 \ud835\udc77\ud835\udc86\ud835\udc8f\ud835\udc85\ud835\udc8a\ud835\udc8f\ud835\udc88 \ud835\udc94\ud835\udc95\ud835\udc82\ud835\udc95\ud835\udc86<\/h2>\n\n\n\n

\u2757
\u270d Assuming that the scheduler component is running fine, here are the causes:
\u2705 The cluster doesn’t have enough resources such as CPU and memory to run the Pod.
\u2705 The current Namespace has a ResourceQuota object and creating the Pod will make the Namespace go over the quota.
\u2705 The Pod is bound to a\u00a0Pending\u00a0PersistentVolumeClaim.
The best option is to inspect the\u00a0Events\u00a0section in the\u00a0“kubectl describe”<\/p>\n","protected":false},"excerpt":{"rendered":"

Pods can have startup and runtime errors. Startup errors include: \u2705 ImagePullBackoff\u2705 ImageInspectError\u2705 ErrImagePull\u2705 ErrImageNeverPull\u2705 RegistryUnavailable\u2705 InvalidImageName Runtime errors include: \ud83d\udccc \u2705 CrashLoopBackOff\u2705 RunContainerError\u2705 KillContainerError\u2705 VerifyNonRootError\u2705 RunInitContainerError\u2705 CreatePodSandboxError\u2705 ConfigPodSandboxError\u2705 KillPodSandboxError\u2705 SetupNetworkError\u2705 TeardownNetworkError \ud835\udc70\ud835\udc8e\ud835\udc82\ud835\udc88\ud835\udc86\ud835\udc77\ud835\udc96\ud835\udc8d\ud835\udc8d\ud835\udc69\ud835\udc82\ud835\udc84\ud835\udc8c\ud835\udc76\ud835\udc87\ud835\udc87 \u2757\u270d This error appears when\u00a0#k8s\u00a0isn’t able to retrieve the image for one of the\u00a0#containers\u00a0of the Pod.There are three common culprits:\u2705 The image…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-40532","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/40532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=40532"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/40532\/revisions"}],"predecessor-version":[{"id":40534,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/40532\/revisions\/40534"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=40532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=40532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=40532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}