fix error after secont start()
fix error after secont start()
watson-developer-cloud/tradeoff-analytics-nodejs,suresh/helio,hansb001/tradeoff-analytics-nodejs,GruppoPotente/tradeoff-analytics-nodejs,GruppoPotente/tradeoff-analytics-nodejs,hansb001/tradeoff-analytics-nodejs,SidSachdev/tradeoff-analytics-nodejs,watson-developer-cloud/tradeoff-analytics-nodejs,rotemah/tradeoff-analytics-nodejs,rotemah/tradeoff-analytics-nodejs,SidSachdev/tradeoff-analytics-nodejs,suresh/helio