After importing a maven project with IDEA, the main.java project structure caused a compilation exception

when importing maven projects

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main.javapackage

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but colleagues do not have this kind of problem when using it. Has any god ever encountered a similar situation? there is no train of thought.

Windows ide maven java
Mar.21,2021

src right-> Mark Directory as-> unmark.
java right-> Mark Directory as-> Sources root

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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-64f5-429a4ac-59b9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-429a4ac-59b9.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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