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Posted to issues@lucene.apache.org by "Ivan Provalov (Jira)" <ji...@apache.org> on 2020/02/28 18:39:00 UTC
[jira] [Commented] (SOLR-14293) Payloads Are Written or Read
Incorrectly - Across the Documents
[ https://issues.apache.org/jira/browse/SOLR-14293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17047869#comment-17047869 ]
Ivan Provalov commented on SOLR-14293:
--------------------------------------
Attached test is based on Lucene80Codec.
> Payloads Are Written or Read Incorrectly - Across the Documents
> ---------------------------------------------------------------
>
> Key: SOLR-14293
> URL: https://issues.apache.org/jira/browse/SOLR-14293
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: search
> Affects Versions: 5.1, 5.5.5, 6.3, 7.7.2, 8.3.1
> Reporter: Ivan Provalov
> Priority: Critical
> Labels: codec, format, payload, postings, reader, writer
> Attachments: TestPayloads.java
>
>
> I noticed a weird payload behavior with Solr 6.3.0, also 7.7.2 and 8.3.1. After writing the Lucene62Codec specific unit test (see attached, also can be run with the later versions) I think there could be a bug which allows for the same term payloads to be written into another document's same term payload (or the second payload for the second document not being read correctly).
>
> For comparison, I added SimpleTextCodec which doesn't behave this way.
>
> For 8.3.1, you will need to change MultiFields.getTermPositionsEnum(...) to MultiTerms.getTermPostingsEnum(...).
>
> Thanks to Alan Woodward, I made the necessary changes to the analyzer to address the sharing of the TokenStreamComponents which was used in the TestPayloads class. Now I use non-mocked tokenizer and a new filter which would create a random payload (see attached). So, doc one and two will have the same token, but different payloads.
> Same idea, SimpleTextCodec passes the test, but these ones don't:
> Lucene50Codec;
> Lucene54Codec;
> Lucene62Codec;
> Lucene70Codec;
> Lucene80Codec;
>
>
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