Windchill Server not able to access with error "SITE NOT RESPONDING" in Method Server log, Windchill PDMLink

• Windchill Server not able to access with error "SITE NOT RESPONDING" in Method Server log

2023-09-07 12:06:50,017 ERROR [wt.intersvrcom.SiteMonitor.timer] wt.intersvrcom.SiteMonitor  - Names=[master], URL=http://XXX.XXX.com/Windchill/servlet/WindchillGW, Status=SITE NOT RESPONDING, ResponseSeconds=0.017, TimeOfPing=2023-09-07 12:06:49.999 +0900
2023-09-07 12:06:50,044 INFO  [wt.intersvrcom.SiteMonitor.timer] wt.jmx.notif.siteStatus  - Time=2023-09-07 12:06:50.036 +0900, Name=SiteStatusNotifier, SourceObjectName=com.ptc:wt.subsystem=Monitors,wt.monitorType=VaultSites, class=class javax.management.Notification, type=wt.intersvrcom.SiteMonitorMBean.noResponseFromSite, userData=[averageResponseSeconds=NaN,lastPing=2023-09-07 12:06:49.999 +0900,lastResponseSeconds=0.017,lastStatus=SITE NOT RESPONDING,names=[master],numberOfPings=1,percentageUptime=0.0,url=http://XXX.XXX.com/Windchill/servlet/WindchillGW,vaultsAffected=사이트 상태가 "SITE NOT RESPONDING"이기 때문에 이 사이트에 포함된 보관소 "defaultsystemvault,vaultsmain,defaultuploadvault"에 액세스할 수 없습니다.], message="http://XXX.XXX.com/Windchill/servlet/WindchillGW" 사이트로부터 응답 없음, JVM Name=7000@plm-app-dev
2023-09-07 12:11:50,055 ERROR [wt.intersvrcom.SiteMonitor.timer] wt.intersvrcom.SiteMonitor  - Names=[master], URL=http://XXX.XXX.com/Windchill/servlet/WindchillGW, Status=SITE NOT RESPONDING, ResponseSeconds=0.001, TimeOfPing=2023-09-07 12:11:50.053 +0900
2023-09-07 12:16:28,299 INFO  [wt.jmx.core.SharedScheduledExecutor.worker] wt.method.MethodContextMonitor.stats.summary  - ElapsedSeconds=600.000292379, CompletedContexts=1750, ErrorCount=0, RedirectCount=0, ContextSecondsAverage=0.038185350513714286, ContextSecondsMax=34.50900876, ContextCpuSecondsAverage=0.0032299394805714284, ContextUserSecondsAverage=0.003097142857142857, ContextJDBCConnWaitSecondsAverage=3.29148E-7, ActiveContextsAverage=2.0591963830537012, ActiveContextsMax=5, ActiveContextsStart=3, ActiveContextsEnd=2, AverageJDBCCallsPerContext=2.9988571428571427, AverageJNDICallsPerContext=0.0, AverageRemoteCacheCallsPerContext=1.5337142857142858, PercentageOfContextTimeInJDBCCalls=9.301749441122274, PercentageOfContextTimeInJDBCConnWait=8.619745414718305E-4, PercentageOfContextTimeInJNDICalls=0.0, PercentageOfContextTimeInRemoteCacheCalls=1.1371004620919007
2023-09-07 12:16:28,306 INFO  [wt.jmx.core.SharedScheduledExecutor.worker] com.infoengine.util.IeContextMonitor.stats.summary  - ElapsedSeconds=600.0, CompletedContexts=0, ErrorCount=0, ContextSecondsAverage=NaN, ContextSecondsMax=0.0, ContextCpuSecondsAverage=NaN, ContextUserSecondsAverage=NaN, ActiveContextsAverage=0.0, ActiveContextsMax=0, ActiveContextsStart=0, ActiveContextsEnd=0