Affects Version/s: 7.0.X, Master
1.) Create a basic web content.
2.) Add an Asset Publisher to the page, enable comments on the portlet (Configuration --> Display Settings). Select the article created in step 2.
3.) Create a new user (email@example.com, the user can be admin). Login to the portal with the new user and select the article. At this point, the web content should be in read-mode. Subscribe to it.
4.) Update the article with your original user.
5.) With user 'firstname.lastname@example.org' check the notification and click on it.
Result: 'IllegalArgumentException' will appear in the logs and the page will crash and the Dockbar will disappear.
Expected Behavior: I think the user should be navigated to the updated article.
7.0x @ commit (0870b9862d33b22ddbe22f9539c3acfc9c2b7a92) reproduced