XMLHttpRequest: network error 0x2eff. this operation cannot be completed due to error 00002eff.

write the program for uploading files in java. There is no problem with deployment on other servers in Aliyun.
but after deployment in the customer"s own server room, my visit to the upload page IE11 reports the following error
SCRIPT7002: XMLHttpRequest: network error 0x2eff. this operation cannot be completed due to error 00002eff.

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other Firefox 360 also reported upload failure, but there was no error message as above.

Xmlhttprequest tomcat java
Feb.26,2021

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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-64f5-1b3284b-4d4bc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3284b-4d4bc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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