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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-510) IndexOutput.writeString() should write length in bytes
Date Thu, 08 May 2008 23:44:55 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595426#action_12595426
] 

Mark Miller commented on LUCENE-510:
------------------------------------

I suspect that this issue is not reading old indexes perfectly. I am very suspicious that
this patch caused what I thought was index corruption the other day. I didn't notice it was
a format change and should have paid more attention.

I seem to be able to replicate the issue so hopefully I will have more to report soon.

If my thoughts are unlikely, please let me know.

> IndexOutput.writeString() should write length in bytes
> ------------------------------------------------------
>
>                 Key: LUCENE-510
>                 URL: https://issues.apache.org/jira/browse/LUCENE-510
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Store
>    Affects Versions: 2.1
>            Reporter: Doug Cutting
>            Assignee: Michael McCandless
>             Fix For: 2.4
>
>         Attachments: LUCENE-510.patch, LUCENE-510.take2.patch, SortExternal.java, strings.diff,
TestSortExternal.java
>
>
> We should change the format of strings written to indexes so that the length of the string
is in bytes, not Java characters.  This issue has been discussed at:
> http://www.mail-archive.com/java-dev@lucene.apache.org/msg01970.html
> We must increment the file format number to indicate this change.  At least the format
number in the segments file should change.
> I'm targetting this for 2.1, i.e., we shouldn't commit it to trunk until after 2.0 is
released, to minimize incompatible changes between 1.9 and 2.0 (other than removal of deprecated
features).

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