add empty folder check

Jenkinsfile

@@ -291,27 +291,29 @@ def cleanup(def DEPLOY_FILE, def BACKUP_FILE){
 //experimental test
 
 def getComponentsFromCSVDir(def dirPath){
- File folder = new File(dirPath)
- println "folder ready "
- folder.eachFileRecurse FileType.FILES,  { file ->
-     // check it if the file ends with a .csv extension
-     if (file.name.endsWith(".csv")) {
-         println "Processing file "
-         readFile(file).split('\n').each { line, count->
-             if (line.startsWith('#'))
-                 return
-             def fields = line.split(',')
-             components.add([
-                     name    : fields[0],
-                     version : fields[1],
-                     host 	: fields[2]
-             ]
-             )
-         }
-     }
-     println "removing current deploy file"
-     // remove the file here if possible
-    // file.delete();
- }
- return components
+	 File folder = new File(dirPath)
+	 println "folder ready "
+	 if (folder){
+		 folder.eachFileRecurse FileType.FILES,  { file ->
+		     // check it if the file ends with a .csv extension
+		     if (file.name.endsWith(".csv")) {
+		         println "Processing file "
+		         readFile(file).split('\n').each { line, count->
+		             if (line.startsWith('#'))
+		                 return
+		             def fields = line.split(',')
+		             components.add([
+		                     name    : fields[0],
+		                     version : fields[1],
+		                     host 	: fields[2]
+		             ]
+		             )
+		         }
+		     }
+		     println "removing current deploy file: "+file.name
+		     // remove the file here if possible
+		    // file.delete();
+		 }
+	 }
+	 return components
 }