NPE editing Web Service SOAP connection profile properties

Created Connection Profile for http://www.webservicex.net/MortgageIndex.asmx?WSDL

Edited the CP properties and when hit OK, got below NPE

Got following:

java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:411)
at java.util.Properties.setProperty(Properties.java:160)
at org.teiid.designer.datatools.profiles.ws.WSSoapPropertyPage.collectProperties(WSSoapPropertyPage.java:223)
at org.eclipse.datatools.connectivity.ui.wizards.ProfilePropertyPage.performOk(ProfilePropertyPage.java:111)
at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:965)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)