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Posted to dev@lucene.apache.org by "Shai Erera (JIRA)" <ji...@apache.org> on 2009/06/23 12:04:07 UTC

[jira] Created: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

WriteLineDocTask incorrectly normalizes fields
----------------------------------------------

                 Key: LUCENE-1714
                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
             Project: Lucene - Java
          Issue Type: Bug
          Components: contrib/benchmark
            Reporter: Shai Erera
             Fix For: 2.9


WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.

I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.

I will attach a patch shortly.

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[jira] Updated: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Shai Erera (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shai Erera updated LUCENE-1714:
-------------------------------

    Attachment: LUCENE-1714.patch

# Using a Matcher as a static final member, pre-compiled.
# Completed CHANGES
# Added a note to WriteLineDocTask about this task not being thread-safe. It never was, since it writes to the output file in a non-synchronized way. Now with the addition of a static Matcher member, it's even less thread-safe.

All benchmark tests pass.

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch, LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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[jira] Assigned: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless reassigned LUCENE-1714:
------------------------------------------

    Assignee: Michael McCandless

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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[jira] Commented: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723175#action_12723175 ] 

Michael McCandless commented on LUCENE-1714:
--------------------------------------------

Looks good; I'll commit shortly.

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch, LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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[jira] Updated: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Shai Erera (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shai Erera updated LUCENE-1714:
-------------------------------

    Attachment: LUCENE-1714.patch

Patch includes:
# Fix WriteLineDocTask to replace "[\t\r\n]+" with a space for body, title and date.
# Add test to WriteLineDocTaskTest
# CHANGES

All benchmark tests pass.

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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[jira] Commented: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723030#action_12723030 ] 

Michael McCandless commented on LUCENE-1714:
--------------------------------------------

Looks good!  Shai, can we pre-compile the regex up front (java.util.regex.Matcher) so we don't have to compile it three times on every written line?

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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[jira] Resolved: (LUCENE-1714) WriteLineDocTask incorrectly normalizes fields

Posted by "Michael McCandless (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-1714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-1714.
----------------------------------------

    Resolution: Fixed

Thanks Shai!

> WriteLineDocTask incorrectly normalizes fields
> ----------------------------------------------
>
>                 Key: LUCENE-1714
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1714
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Shai Erera
>            Assignee: Michael McCandless
>             Fix For: 2.9
>
>         Attachments: LUCENE-1714.patch, LUCENE-1714.patch
>
>
> WriteLineDocTask normalizes the body, title and date fields by replacing any "\t" with a space. However, if any one of them contains newlines, LineDocMaker will fail, since the first line read will include some of the text, however the second line, which it now expects to be a new document, will include other parts of the text.
> I don't know how we didn't hit it so far. Maybe the wikipedia text doesn't have such lines, however when I ran over the TREC collection I hit a lot of those.
> I will attach a patch shortly.

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