One thread exception in newFixedThreadPool (), affecting other threads

problem description:

1,udp,
2,newFixedThreadPool(),task.get()

exception question:

,,(),4,(,),

question:

  ,,,,

Mar.08,2021
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-64f5-1b325f5-40e4e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b325f5-40e4e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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