由于资源限制，ActiveIQ Unified Manager 未发送任何警报

适用场景

• ActiveIQ 统一管理器 9.6+ (UM)
• 虚拟机(VM)

问题描述

• UM 不向主机（如 ServiceNow）发送邮件警报或 SNMP 陷阱；
• 采集不起作用或延迟；
• UM GUI 无响应；
• CPU 和/或内存较高；
• 需要重新启动 UM VM，问题暂时得到解决
•  /var/log/ocum/ocumserver.log:

2020-07-01 11:57:51,753 ERROR [WrapperStartStopAppMain] c.o.u.s.RemoteAppSessionFactory (RemoteAppSessionFactory.java:291) - RemoteAppSessionFactory - Failed to communicate with the server (ejb:mega-app/server-core//SummarySessionEJB!com.onaro.sanscreen.server.sessions.SummarySession) - no retries left: EJBCLIENT000409: No more destinations are available org.jboss.ejb.client.RequestSendFailedException: EJBCLIENT000409: No more destinations are available