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https://issues.apache.org/jira/browse/LUCENE-8441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Ferenczi resolved LUCENE-8441.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 7.5
                   master (8.0)

> Wrong index sort field type throws unexpected NullPointerException
> ------------------------------------------------------------------
>
>                 Key: LUCENE-8441
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8441
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/index
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: master (8.0), 7.5
>
>         Attachments: LUCENE-8441.patch, LUCENE-8441.patch
>
>
> I came across this scary exception if you pass the wrong {{SortField.Type}} 
> for a field; I'll attach patch w/ small test case:
> {noformat}
> 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)
> {noformat}



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