3325041 - Introscope Enterprise Manager failed to start due to error: "Closing socket channel connection java.io.IOException: Too many open files"

Introscope Enterprise Manager failed to start. Error message below could be found in IntroscopeEnterpriseManager.log:

[ERROR] [Acceptor] [Manager.Acceptor] IOException has been thrown. Closing socket channel connection
java.io.IOException: Too many open files
        at java.base/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at java.base/sun.nio.ch.ServerSocketChannelImpl.accept(Unknown Source)
        at java.base/sun.nio.ch.ServerSocketChannelImpl.accept(Unknown Source)
        at com.wily.isengard.postofficehub.link.server.Acceptor.doTask(Acceptor.java:151)
        at com.wily.isengard.util.thread.AThreadedExecutable.run(AThreadedExecutable.java:192)
        at java.base/java.lang.Thread.run(Unknown Source)

• Introscope Enterprise Manager
• Unix/Linux OS
  
  

Closing socket channel connection; Too many open files; Introscope Enterprise Manager; Introscope; EM , KBA , XX-PART-WILY , Introscope by CA Technologies , Problem