I followed this document which is in following link
https://confluence.atlassian.com/adminjiraserver073/running-jira-applications-over-ssl-or-https-861253906.html
1 .BUt when am trying to generate the keystore by using the full command as below : Its not accepting
<JAVA_HOME>/keytool -genkey -alias jira -keyalg RSA -keystore <JIRA_HOME>/jira.jks
2 .Its throwing an error.So thats why i removed the JIRA home directory which is displaying below and I tried to generate .Now this time its successfull
<JAVA_HOME>/keytool -genkey -alias jira -keyalg RSA -keystore
3.Need: But actually we need to generate and save the keystore file in JIRA home directory right.So am attaching the error Screen shots .
Please refer those screenshots and give me proper commands to set up the JIRA for running on HTTPS with detailed 
