import org.apache.log4j.Category
import com.atlassian.jira.ComponentManager
import com.atlassian.jira.issue.ModifiedValue
import com.atlassian.jira.issue.util.DefaultIssueChangeHolder
log = Category.getInstance("com.onresolve.jira.groovy.LinkedIssues")
log.error("S2 start datetime issue : " + issue.key)
ComponentManager componentManager = ComponentManager.getInstance()
cfm = componentManager.getCustomFieldManager()
ch = new DefaultIssueChangeHolder()
cfo= cfm.getCustomFieldObject("customfield_11300")
t0 = new java.sql.Timestamp(System.currentTimeMillis())
log.error "StartTime => '"+t0.toString()+"'"
mv = new ModifiedValue(cfo, t0)
ch = new DefaultIssueChangeHolder()
cfo.updateValue(null, issue, mv, ch)
log.error("end")