U run bootstrap script if exists

Author: fvarrui

src/universalJavaApplicationStub

@@ -874,8 +874,7 @@ cd "${WorkingDirectory}" || exit 13
 stub_logger "[WorkingDirectory] ${WorkingDirectory}"
 
 # invoke bootstrap script
-$BootstrapSript=$ResourcesFolder/scripts/bootstrap.sh
-[ -f "$BootstrapSript" ] && source $BootstrapSript
+$Bootstrap=$ResourcesFolder/scripts/bootstrap && [ -x "$Bootstrap" ] && $Bootstrap
 
 # execute Java and set
 # - classpath