SpringBoot page loads Whitelabel Error Page

problem description

when I first came into contact with SpringBoot developer, the abnormal feeling reported when using the forwarding view of the controller is a path problem, but I don"t know how to change the
page to display Whitelabel Error Page
No mapping found for HTTP request with URI [/ student/classpath:/templates/student/index.html] in DispatcherServlet with name "dispatcherServlet"

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are you using a template engine? I suggest you take a look at my springboot series of articles, address: https://somta.com.cn/blog/lis.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e9b04b-475fb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9b04b-475fb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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