simplest script. "pipeline in code"

println '#' * 80

stage 'scm - simulate delay'
lock (resource: 'clearcase-scm') {

println("1st: ${System.currentTimeMillis()}")
//sleep(60000)
//Thread.sleep(60000)
//input 'Ready to go?'
println("2nd: ${System.currentTimeMillis()}")
}
println "${env.getEnvironment()}"

println '#' * 80

output + stack -> trace output_stack_trace.txt
Resource is still locked - >2016-06-10 18_04_17-Lockable Resources [Jenkins].png
try to unlock -> try_to_unlock_resource_stck_trace.txt