CronJobs fail to run in a Kubernetes v1.14 cluster, with more than 500 Job resources: "expected type *batchv1.JobList, got type *internalversion.List"

This document (000020208) is provided subject to the disclaimer at the end of this document.



In a Kubernetes v1.14 cluster, CronJobs fail to run when there are more than 500 Job resources in the cluster. The Kubernetes controller manager logs show errors of the format {"log":"E0818 18:25:50.081946 1 cronjob_controller.go:117] expected type *batchv1.JobList, got type *internalversion.List\n","stream":"stderr","time":"2019-08-18T18:25:50.082127727Z"}.


  • A Kubernetes cluster, running Kubernetes v1.14, from v1.14.0 - v1.14.6
  • More than 500 Job resources in the cluster


To mitigate the issue you should ensure that there are fewer than 500 Job resources in the cluster, you can view all Jobs with kubectl get jobs --all-namespaces -o wide.

You should aim to delete completed Jobs to reduce the total number below 500. You can also check and adjust the configured job history limits for CronJobs to reduce the number of Jobs maintained for completed CronJobs per the Kubernetes documentation.


The issue was tracked in Kubernetes GitHub Issue #77465 and a fix was released in Kubernetes v1.14.7.

A Kubernetes v1.14 patch release of v1.14.7 or above, including this fix, is available in Rancher v2.2, starting with v2.2.9 (v1.14.8), and v2.3, starting with v2.3.0 (v1.14.7). Similarly the fix is available via the RKE CLI in v0.2, starting with v0.2.9 (v1.14.8), and v0.3, starting with v0.3.0 (v1.14.7).


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000020208
  • Creation Date: 06-May-2021
  • Modified Date:06-May-2021
    • SUSE Rancher

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