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https://issues.apache.org/jira/browse/LUCENE-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705128#action_12705128
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Uwe Schindler commented on LUCENE-1623:
---------------------------------------
Hi Mike,
a little bit too late, but there is a small flow-error in handling of the
IOException in FieldInfos ctor:
{code}
} catch (IOException ioe) {
if (format == FORMAT_PRE) {
...
}
}
{code}
The problem: If the IOException occurs and the Format is not FORMAT_PRE, the
Exception should be re-thrown.
And here a suggestion:
{code}
byNumber = new ArrayList();
byName = new HashMap();
{code}
I would simply clear() the two collections...
> Back-compat break with non-ascii field names
> --------------------------------------------
>
> Key: LUCENE-1623
> URL: https://issues.apache.org/jira/browse/LUCENE-1623
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.4, 2.4.1
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 2.9
>
> Attachments: LUCENE-1623.patch
>
>
> If a field name contains non-ascii characters in a 2.3.x index, then
> on upgrade to 2.4.x unexpected problems are hit. It's possible to hit
> a "read past EOF" IOException; it's also possible to not hit an
> exception but get an incorrect field name.
> This was caused by LUCENE-510, because the FieldInfos (*.fnm) file is
> not properly versioned.
> Spinoff from http://www.nabble.com/Read-past-EOF-td23276171.html
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