how to fix jar command not found error for Endevor Web Services installation

Document ID : KB000093242
Last Modified Date : 30/04/2018
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When I run Endevor web services V18.0.12 install/update script, I got error message 'jar command not found', how to fix this error ? 
Endevor Web Services install/update script use the jar command to extract an archive.
This command will fail if java bin folder is not on the defined PATH. 

You need to apply SO01688, this PTF adds JAVA_HOME in the path of jar command so USS can find it.