When you deploy the Java program to the windows server with tomcat, you always report that a client with the same name already exists and will be disconnected this time.

there is already a client with the same name. This connection will disconnect
existing client with the same name, this time you will disconnect
existing client with the same name, this time you will disconnect
existing client with the same name, this time you will disconnect
existing client with the same name, this time you will disconnect
existing client with the same name, and this time you will disconnect
and generate a lock file with the same name as xml every time you start the service. There is a configuration client in this file.

Java javascript
Mar.30,2021

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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-64f5-1b4095c-348d6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b4095c-348d6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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