Execute java-jar jenkins.war under the current folder in cmd, but powershell reports an error

execute java-jar jenkins.war under the current folder in cmd, but powershell reports an error: the main class cannot be found or cannot be loaded-jar

is there any reason for divine guidance

Mar.22,2021

start the jar/war file with Start-Process under Powershell

 Start-Process java -ArgumentList '-jar', 'jenkins.war' `
-RedirectStandardOutput '.\console.out' -RedirectStandardError .\console.err' 
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-64f5-1eaafd1-5ce38.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eaafd1-5ce38.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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