devtest 10.2 not able to connect to portal service

Document ID : KB000094194
Last Modified Date : 03/05/2018
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Issue:
we are not able to connect to portal service . And getting an error as 
 java.net.BindException: Address already in use
Resolution:
Based on the error, it says Address already in use. Please verify the process which are running in background and kill the process and restart the process to resolve the issue.