[ 
https://issues.apache.org/jira/browse/LUCENE-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611556#action_12611556
 ] 

Michael McCandless commented on LUCENE-1314:
--------------------------------------------

Jason, I had some problems with the latest patch.  First, it wouldn't compile, 
because createIndex was private in TestIndexReaderReopen.

Once I changed that to protected, I'm seeing this failure in 
TestStressIndexing2:

    [junit] Testsuite: org.apache.lucene.index.TestStressIndexing2
    [junit] Tests run: 2, Failures: 2, Errors: 0, Time elapsed: 9.596 sec

    [junit] ------------- Standard Output ---------------
    [junit] 
[stored/uncompressed,indexed,termVector,termVectorOffsets,termVectorPosition<f71:???
 >, 
stored/uncompressed,indexed,tokenized,termVector,termVectorOffsets,termVectorPosition<f99:E
 J H J H F E C I C >, stored/uncompressed,indexed,omitNorms<id:1000085>]
    [junit] 
[stored/uncompressed,indexed,termVector,termVectorOffsets,termVectorPosition<f27:[EMAIL
 PROTECTED] >, stored/uncompressed,indexed,omitNorms<id:1000000>]
    [junit] [stored/uncompressed,indexed,omitNorms<id:12>]
    [junit] 
[stored/uncompressed,indexed,termVector,termVectorOffsets,termVectorPosition,omitNorms<f64:C
 >, 
stored/uncompressed,indexed,termVector,termVectorOffsets,termVectorPosition,omitNorms<f90:1???t??
 >, stored/uncompressed,indexed,omitNorms<id:0>]
    [junit] ------------- ---------------- ---------------
    [junit] Testcase: testRandom(org.apache.lucene.index.TestStressIndexing2):  
FAILED
    [junit] expected:<3> but was:<2>
    [junit] junit.framework.AssertionFailedError: expected:<3> but was:<2>
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:336)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:234)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:193)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.testRandom(TestStressIndexing2.java:68)


    [junit] Testcase: 
testMultiConfig(org.apache.lucene.index.TestStressIndexing2):     FAILED
    [junit] expected:<1> but was:<3>
    [junit] junit.framework.AssertionFailedError: expected:<1> but was:<3>
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:336)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:234)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.verifyEquals(TestStressIndexing2.java:193)
    [junit]     at 
org.apache.lucene.index.TestStressIndexing2.testMultiConfig(TestStressIndexing2.java:97)


Are you seeing this too?

> IndexReader.reopen(boolean force)
> ---------------------------------
>
>                 Key: LUCENE-1314
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1314
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Index
>    Affects Versions: 2.3.1
>            Reporter: Jason Rutherglen
>            Assignee: Michael McCandless
>            Priority: Minor
>         Attachments: lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, 
> lucene-1314.patch, lucene-1314.patch, lucene-1314.patch, lucene-1314.patch
>
>
> Based on discussion 
> http://www.nabble.com/IndexReader.reopen-issue-td18070256.html.  The problem 
> is reopen returns the same reader if there are no changes, so if docs are 
> deleted from the new reader, they are also reflected in the previous reader 
> which is not always desired behavior.

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