ESB 8.0，server启动报错：“ Concurrency limit is 5，java.lang.NullPointerException，at com.primeton.esb.online.cache.loader.init.OnlineServiceCacheDataManager.loadProxyEntity”

【问题】

ESB 8.0，server启动报错[com.primeton.ext.common.l7e.ImprimaturStartUpListener]-[WARN] Concurrency limit is 5
java.lang.NullPointerException
at com.primeton.esb.online.cache.loader.init.OnlineServiceCacheDataManager.loadProxyEntity(OnlineServiceCacheDataManager.java:136)
at com.primeton.esb.online.cache.loader.init.OnlineServiceCacheDataManager.loadOnlineServiceConfig(OnlineServiceCacheDataManager.java:116)
at com.primeton.esb.online.cache.loader.init.OnlineServiceCacheDataManager.loadCache(OnlineServiceCacheDataManager.java:54)
at com.primeton.esb.runtime.server.ESBServer.startComponentRuntime(ESBServer.java:166)
at com.primeton.esb.runtime.server.ESBServer.start(ESBServer.java:109)
at com.primeton.esb.runtime.server.ESBServerFactory.start(ESBServerFactory.java:69)
at com.primeton.tip.bootstrap.TIPServer.doStart(TIPServer.java:47)
at com.primeton.tip.bootstrap.TIPServer.main(TIPServer.java:106)
at com.primeton.esb.start.StartApplication.main(StartApplication.java:46)
[default][2021-06-16 14:16:05,596][ERROR][com.primeton.esb.runtime.server.ESBServer:195] Error occurs when ESB Server startup: java.lang.NullPointerException

【解答】

sam_service_endpoint的数据和sam_endpoint数据需要一一对应的，根据日志确认， 是某一个endpoint_id去查询sam_endpoint的时候没有查到数据，查看库里面数据，有5个endpoint_id去查询sam_endpoint的时候没有查到数据，备份数据，从sam_service_endpoint表中把多出的这几条数据删掉，问题解决