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https://issues.apache.org/jira/browse/LUCENE-8985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189264#comment-17189264
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Jan Høydahl commented on LUCENE-8985:
-------------------------------------

Any thoughts on the way forward for this?

> SynonymGraphFilter cannot handle input stream with tokens filtered.
> -------------------------------------------------------------------
>
>                 Key: LUCENE-8985
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8985
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Chongchen Chen
>            Priority: Major
>             Fix For: 8.3
>
>         Attachments: SGF_SF_interaction.patch.txt
>
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> [~janhoy] find the bug.
> In an analyzer with e.g. stopFilter where tokens are removed from the stream 
> and replaced with a “hole”, synonymgraphfilter will not preserve these holes 
> but remove them, resulting in certain phrase queries failing.



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