MapJoin results in NPE when using key()

Description

The setup:

Testcase

Output
Everything from the setup seems to be correct

NPE when executing the criteria

Environment

Java 1.8.0_60 OpenJDK
Linux 4.1.2-2-ARCH
PostgreSQL 9.3.5

Assignee

Steve Ebersole

Reporter

thall

Fix versions

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

Pull Request

None

backportDecision

None

Components

Affects versions

Priority

Major
Configure