[LUCENE-8441] Wrong index sort field type throws unexpected NullPointerException

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.5, 8.0
• Component/s: core/index
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 01/Aug/18 00:14
• Updated: 28/Aug/22 15:34
• Resolved: 01/Aug/18 16:35

Description

I came across this scary exception if you pass the wrong SortField.Type for a field; I'll attach patch w/ small test case:

1) testWrongSortFieldType(org.apache.lucene.index.TestIndexSorting)
java.lang.NullPointerException
        at __randomizedtesting.SeedInfo.seed([995FF58C7B184E8F:B0CC507647B2ED95]:0)
        at org.apache.lucene.index.SortingTermVectorsConsumer.abort(SortingTermVectorsConsumer.java:87)
        at org.apache.lucene.index.TermsHash.abort(TermsHash.java:68)
        at org.apache.lucene.index.DefaultIndexingChain.abort(DefaultIndexingChain.java:332)
        at org.apache.lucene.index.DocumentsWriterPerThread.abort(DocumentsWriterPerThread.java:138)
        at org.apache.lucene.index.DocumentsWriterPerThread.maybeAbort(DocumentsWriterPerThread.java:532)
        at org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:524)
        at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:554)
        at org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:719)
        at org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:3201)
        at org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:3446)
        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3411)
        at org.apache.lucene.index.TestIndexSorting.testWrongSortFieldType(TestIndexSorting.java:2489)