Myeclipse is running several javaweb projects at the same time, how to achieve hot deployment?

do not restart automatically after modifying java and jsp files.
modifying server.xml can only guarantee one project

Jan.12,2022

it is recommended to change the editor. It is recommended to use this editor idea/?fromMenu" rel=" nofollow noreferrer "> link to describe

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there are hot updates before writing java, and there are also tools related to java

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-64f5-7ae3f6-1e222.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-7ae3f6-1e222.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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