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https://issues.apache.org/jira/browse/LUCENE-6049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-6049:
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Attachment: LUCENE-6049.patch
OK I managed to nuke the horrible
FieldInfos.addOrUpdate(String,IndexableFieldType) method.
I also renamed docValueType -> docValuesType; I'll leave that out when
I backport to 4.10.3. In fact for 4.10.x I think I'll just do my
original (less risky) patch, just removing updating of DocValuesType
from FieldInfos.addOrUpdate.
> Cryptic exception if all docs in a segment hit non-aborting exceptions before
> adding their doc values
> -----------------------------------------------------------------------------------------------------
>
> Key: LUCENE-6049
> URL: https://issues.apache.org/jira/browse/LUCENE-6049
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 4.10.3, Trunk, 5.x
>
> Attachments: LUCENE-6049.patch, LUCENE-6049.patch
>
>
> I hit this while working on LUCENE-6005:
> If you add a document with a single field that's both indexed and has doc
> values, and during inversion it hits a non-aborting exception, and all docs
> for a given segment had this happen, then you'll hit this confusing exception:
> {noformat}
> java.lang.AssertionError: segment=_0(6.0.0):C2: field="test" has docValues
> but did not write them
> at
> __randomizedtesting.SeedInfo.seed([21BFA52E65A19C81:3A824781C0F77629]:0)
> at
> org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:146)
> at
> org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:93)
> at
> org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:440)
> at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:511)
> at
> org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:622)
> at org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:3016)
> at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:2992)
> at org.apache.lucene.index.IndexWriter.shutdown(IndexWriter.java:946)
> at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:991)
> at
> org.apache.lucene.index.TestDocValuesIndexing.testExcIndexingDocBeforeDocValues(TestDocValuesIndexing.java:927)
> {noformat}
> The good news here is that exception is new from LUCENE-6019 and it prevents
> this case from causing index corruption, but the bad news is, you shouldn't
> even get an exception writing the segment in the first place.
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