Apache resource is reported as unavailable in JON due to "java.net.SocketException: Unexpected end of file from server"

Solution Unverified - Updated -

Issue

  • JON console is showing that Apache instance test.com:8086 is down;
  • Unable to monitor the server status from JON;
  • Agent's log file shows the following error:

    An error occurred while attempting to read response from HEAD to [http://test.com:8086].
    java.net.SocketException: Unexpected end of file from server
    

Environment

  • Red Hat JBoss Operations Network (JON) 3.3.12
  • Apache 2.4;
  • Apache HTTP Server resource has been imported into JON inventory;

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