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https://issues.apache.org/jira/browse/LUCENE-8525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639669#comment-16639669
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Vladimir Dolzhenko edited comment on LUCENE-8525 at 10/5/18 11:11 AM:
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My point is to throw more specific exception (it could be smth like
DataCorruptionException) rather plain IOException.
from a user (like elastic) point of view it is clear what is happened
underneath - is it a real io exception or data specific one.
was (Author: vladimir.dolzhenko):
My point is throw more specific exception (it could be smth like
DataCorruptionException) rather plain IOException.
from a user (like elastic) point of view it is clear what is happened
underneath - is it a real io exception or data specific one.
> throw more specific exception on data corruption
> ------------------------------------------------
>
> Key: LUCENE-8525
> URL: https://issues.apache.org/jira/browse/LUCENE-8525
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Vladimir Dolzhenko
> Priority: Major
>
> DataInput throws generic IOException if data looks odd
> [DataInput:141|https://github.com/apache/lucene-solr/blob/1d85cd783863f75cea133fb9c452302214165a4d/lucene/core/src/java/org/apache/lucene/store/DataInput.java#L141]
> there are other examples like
> [BufferedIndexInput:219|https://github.com/apache/lucene-solr/blob/1d85cd783863f75cea133fb9c452302214165a4d/lucene/core/src/java/org/apache/lucene/store/BufferedIndexInput.java#L219],
>
> [CompressionMode:226|https://github.com/apache/lucene-solr/blob/1d85cd783863f75cea133fb9c452302214165a4d/lucene/core/src/java/org/apache/lucene/codecs/compressing/CompressionMode.java#L226]
> and maybe
> [DocIdsWriter:81|https://github.com/apache/lucene-solr/blob/1d85cd783863f75cea133fb9c452302214165a4d/lucene/core/src/java/org/apache/lucene/util/bkd/DocIdsWriter.java#L81]
> That leads to some difficulties - see [elasticsearch
> #34322|https://github.com/elastic/elasticsearch/issues/34322]
> It would be better if it throws more specific exception like
> CorruptIndexException
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