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How to Troubleshoot "TypeError: can't compare datetime.datetime to NoneType" on Zenoss Resource Manager 5.x

Applies To

  • Zenoss Resource Manager 5.0.7
  • Zenoss Resource Manager 5.0.9
  • Zenoss Resource Manager 5.1.1

Summary

Adding new devices in Zenoss Resource Manager generates the following error:

TypeError: can't compare datetime.datetime to NoneType

This KB provides instructions on how to remedy this error.

NOTE: This is a known defect that will be fixed in a future version of Zenoss Resource Manager.

Procedure

Perform the following procedure to remedy the error:

  1. Log into the Zenoss Resource Manager UI.
  2. Navigate to the Advanced > Jobs page.
  3. Search within the page for any job that is missing values in any column. If a job has missing values, click the Delete button to delete the job and clear the error.

If this error persists after performing this procedure, contact Zenoss support.

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