Help Center/ MapReduce Service/ User Guide (Kuala Lumpur Region)/ Troubleshooting/ Using Yarn/ An Error Is Reported When a Queue Name Is Clicked on the Yarn Page
Updated on 2022-12-14 GMT+08:00

An Error Is Reported When a Queue Name Is Clicked on the Yarn Page

Symptom

When Yarn uses the Capacity scheduler, error 500 is reported after a user clicks a queue name on the native Yarn web UI.

Cause Analysis

Symbol ^ in the URL cannot be identified. As a result, the page access fails.

Procedure

  1. Log in to Manager and choose Cluster > Services > Yarn > Configurations > All Configurations.
  2. Search for yarn.resourcemanager.webapp.pagination.enable in the search box.

  3. If the value is true (default), change it to false and save the configuration.
  4. On the Yarn page, click Instance, select all ResourceManager instances, click More, and select Instance Rolling Restart. Wait until the instances are started.