Vladimir Dolzhenko created LUCENE-8525: ------------------------------------------
Summary: 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
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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