CA WA DE Desktop Client java.io.EOFException errors

Document ID : KB000125675
Last Modified Date : 01/02/2019
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Introduction:
The CA WA DE tracelogs show the following error(s), the user does not experiencing any issues.
WSS_cmd_executor_432: [2018-01-31_07:30:XX.XXX] 
User USER123 has logged in 20180131 07:30:2XX.XXX [ws:connections] 
[INFO] WSS_reactor_12: [2019-01-31_07:30:XX.XXX] Connection closed
(10.10.10.100:62954->10.10.10.1:7500) java.io.EOFException 
at com.ca.wa.comp.workstationserver.nio.ReadExpert.read(ReadExpert.java:164) 
at com.ca.wa.comp.workstationserver.nio.ReadWriteHandler.handleRead(ReadWriteHandler.java:159) 
at
com.ca.wa.comp.workstationserver.nio.Reactor.dispatchEvents(Reactor.java:184) at 
com.ca.wa.comp.workstationserver.nio.Reactor.access$000(Reactor.java:39) at 
com.ca.wa.comp.workstationserver.nio.Reactor$3.run(Reactor.java:403) 
at java.lang.Thread.run(Thread.java:748)
Question:
What are these errors?
Environment:
CA WA DE R12
CA WA Desktop Client R12
OS ANY
DB ANY
Answer:
The java.io.EOFException can be ignored. They simply means that the input stream of the connection ended. Normally, the connection will complete and client may tell the end the connection.  In this case the server has disconnected from its side.
Additional Information:
Note:  If the user cannot connect or has any other issues, then check the network.  Make sure the client hostname is resolvable by server side and vice-versa.