SOURCE:
@NonCPS
void commentJiraIssues2() {
	echo "commentJiraIssues2"
	echo "ping 00"
	
    def response1 = jiraAddComment( 
	            		idOrKey: "OG-4807",
	            		site: "iwjira",
	            		comment: "[JENKINS-PIPELINE]\n"+
	            				"Current Build:  "+ currentBuild.absoluteUrl+"\n"+
	            				"Git Commit ID:  ${env.GITREPO_HOST_URL}/scm/#changesetPanel;${env.GITREPO_BRANCH};"+"XXX"+"\n"+
	            				"Commit Message: "+"FOO1"+"\n"+
	            		  		"Author:         "+"AUTHOR1"+"\n"+
	            		  		"Timestamp:      "+0+" UTC\n"+
	            		  		"Files:          "+"STUB",
			              failOnError: false,
			              auditLog: false
	            )
	
	echo "ping 10"
	
    def response2 = jiraAddComment( 
	            		idOrKey: "OG-4807",
	            		site: "iwjira",
	            		comment: "[JENKINS-PIPELINE]\n"+
	            				"Current Build:  "+ currentBuild.absoluteUrl+"\n"+
	            				"Git Commit ID:  ${env.GITREPO_HOST_URL}/scm/#changesetPanel;${env.GITREPO_BRANCH};"+"YYY"+"\n"+
	            				"Commit Message: "+"FOO2"+"\n"+
	            		  		"Author:         "+"AUTHOR2"+"\n"+
	            		  		"Timestamp:      "+0+" UTC\n"+
	            		  		"Files:          "+"STUB",
			              failOnError: false,
			              auditLog: false
	            )
	            
	echo "ping 20"
	
}


OUTPUT:
[2019-02-27T16:08:16.476Z] Update Jira
[2019-02-27T16:08:16.483Z] commentJiraIssues2
[2019-02-27T16:08:16.488Z] ping 00
[2019-02-27T16:08:16.507Z] JIRA: Site - iwjira - Add new comment: [JENKINS-PIPELINE]
[2019-02-27T16:08:16.507Z] Current Build:  http://omnibld0.ibi.com:8080/job/omni-pipeline/job/develop/109/
[2019-02-27T16:08:16.507Z] Git Commit ID:  http://omnibld0.ibi.com:8082/scm/#changesetPanel;E0RIJG2bEe;XXX
[2019-02-27T16:08:16.507Z] Commit Message: FOO1
[2019-02-27T16:08:16.507Z] Author:         AUTHOR1
[2019-02-27T16:08:16.507Z] Timestamp:      0 UTC
[2019-02-27T16:08:16.507Z] Files:          STUB on issue: OG-4807
[2019-02-27T16:08:16.682Z] Successful. Code: 201