Spring Boot asynchronous request

one of my SpringBoot projects, hoping to configure an asynchronous request, has the following error
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but there is no web.xml in SpringBoot. How should I configure it?

Java async-request springboot
Apr.01,2021

ides/gs-async-method/blob/8f0b3f1ff4a7b55186717b3d2e30e1fa8a8973f2/complete/src/main/java/hello/Application.java" rel=" nofollow noreferrer "> @ EnableAsync

springboot is configured in the application.properties file under the resources directory. You don't need xml, and you can use yml as the configuration file.

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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-64f5-1ea82ee-46bf9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea82ee-46bf9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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