JON server only installation fails if rhq.storage.nodes is not defined in rhq-server.properties

Issue

• Server installation problems
• Unable to install
• Install is hanging up

• The error below is logged in console:

  ERROR [org.rhq.enterprise.server.installer.InstallerServiceImpl] Could not complete storage cluster schema installation: java.lang.NullPointerException: java.lang.NullPointerException
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.parseNodeInformation(InstallerServiceImpl.java:1233) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.createStorageNodeSchemaManager(InstallerServiceImpl.java:1241) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.prepareDatabase(InstallerServiceImpl.java:547) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.install(InstallerServiceImpl.java:316) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.Installer.doInstall(Installer.java:116) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.Installer.main(Installer.java:57) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      ...
  ERROR [org.rhq.enterprise.server.installer.Installer] The installer will now exit due to previous errors: java.lang.Exception: Could not complete storage cluster schema installation: java.lang.NullPointerException
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.prepareDatabase(InstallerServiceImpl.java:584) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.install(InstallerServiceImpl.java:316) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      ...
  Caused by: java.lang.NullPointerException
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.parseNodeInformation(InstallerServiceImpl.java:1233) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.createStorageNodeSchemaManager(InstallerServiceImpl.java:1241) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      at org.rhq.enterprise.server.installer.InstallerServiceImpl.prepareDatabase(InstallerServiceImpl.java:547) [rhq-installer-util-4.9.0.JON320GA.jar:4.9.0.JON320GA]
      ...
  

• Server only install fails.