Error while update cloudstack from version 3.0.2 to 4.0.1

Hi all: There is an error when i upgrade the version of cloudstack from 3.0.2 to 4.0.1.The following are my steps: 1. Use CloudStack-oss-3.0.2-1-rhel6.2.tar.gz. Execute ./install choose M and D. 2. Create zone and creat an instance. 3. Stop cloud-management service. 4. upgrade cloudstack from 3.0.2

The jar package version of Cloudstack 4.0.1 src buliding

Hi All: I have downloaded a src package from the site: http://cloudstack.apache.org/downloads.html,The package name is apache-cloudstack-4.0.1-incubating-src.tar.bz2, It is obviouse a 4.0.1 version package. after executing the "mvn -P deps" & "ant clean-all build-all" commands following the B