[LUCENE-7779] OfflineSorter should not call ByteSequencesReader.next again after it returns null

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.6, 7.0
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 11/Apr/17 19:43
• Updated: 28/Aug/22 15:13
• Resolved: 12/Apr/17 21:18

Description

OfflineSorter uses a simple iterator class, ByteSequencesReader, to step through all byte[] that need sorting.

When its next method returns null the iteration is done.

But OfflineSorter then calls next again after that null return ...