Avery Ching created GIRAPH-561:
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Summary: Only print vertex/edge input classes if not null
Key: GIRAPH-561
URL: https://issues.apache.org/jira/browse/GIRAPH-561
Project: Giraph
Issue Type: Bug
Reporter: Avery Ching
Assignee: Avery Ching
Attachments: GIRAPH-561.patch
Otherwise you get NPE. =(
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