Fixed a bug with restexpress

frameworks/Java/restexpress/setup.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-sed -i 's|mongodb://.*/hello_world|mongodb://'"${DBROOT}"'/hello_world|g' config/dev/environment.properties
-sed -i 's|mysql://.*:3306|mysql://'"${DBROOT}"':3306|g' config/dev/environment.properties
+sed -i 's|mongodb://.*/hello_world|mongodb://'"${DBHOST}"'/hello_world|g' config/dev/environment.properties
+sed -i 's|mysql://.*:3306|mysql://'"${DBHOST}"':3306|g' config/dev/environment.properties
 
 mvn clean package
 mvn assembly:single