404 Error when assigning workflow task
Written By
Jamilly Macedo
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Issue
- Upon assigning a single-approver workflow task, users encounter a 404 error page.
- The following stack trace is recorded in the logs:
ERROR Unable to process portlet com_liferay_notifications_web_portlet_NotificationsPortlet:
java.lang.IllegalArgumentException: null is not a valid redirect
(...)
Caused by: java.lang.IllegalArgumentException: null is not a valid redirect
(...)
Resolution
- To address this issue, follow these steps:
- Navigate to Control Panel > Instance Settings > Pages > Redirect URLs.
- Set the Security mode to "domain".
- Under Allowed Domains, add the appropriate domains.
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