am 120051b4: am b257c944: Report the cause of name lookup failures to Java land. The Java code already uses the exception thrown by getallbyname() as a chained exception.

Merge commit '120051b4744da2888756d901f9351ebd8e5ae467'

* commit '120051b4744da2888756d901f9351ebd8e5ae467':
  Report the cause of name lookup failures to Java land. The Java code already