Regression: java NPE while creating new document type with multiple html

Follow below steps to create a new document type
1. Select extend basedocument
2. Select 2 column mode
3. Add string field, 2 html field and 2 Boolean fields
4. Change Caption of all the fields one by one before committing the document type
5. When I commit, I see below errors

[INFO] [talledLocalContainer] 12.02.2015 17:14:26 WARN [org.hippoecm.frontend.plugins.richtext.RichTextModel.setObject():50] Value not set because html cleaning failed : java.lang.NullPointerException