Upgrade tool does not work due to null pointer in server detector

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 7.0.1 CE GA2
• Fix Version/s: None
• Component/s: Core Infrastructure, Core Infrastructure > Upgrade Framework
• Labels: None
• Fix Priority: 4

Upgrade tool does not work due to null pointer in server detector.

Steps to reproduce:
1) Configure your portal bundle to use early version DB
2) Go to portal's source folder/tools/db-upgrade
3) Execute run.sh with appropriate classpath parameters

Expected result: upgrade process works

Actual result:
java.lang.NullPointerException
at com.liferay.portal.kernel.util.ServerDetector.init(ServerDetector.java:64)
at com.liferay.portal.tools.DBUpgrader.main(DBUpgrader.java:96)