[LUCENE-8918] Catch null terms in PhraseQuery early

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.3
• Lucene Fields: New
• Assignee: Alan Woodward
• Reporter: Alan Woodward
• Created: 15/Jul/19 10:05
• Updated: 28/Aug/22 15:48
• Resolved: 18/Jul/19 12:40

Description

It's currently possible to build a PhraseQuery with a single null term, which will go undetected until query time, when a NullPointerException gets thrown from deep within the postings format code. We should catch this at build time instead.

Issue Links

• links to: GitHub Pull Request #785