[jira] [Issue Comment Edited] (CONNECTORS-347) MySQL HopCount test sometimes fails

["Karl Wright (Issue Comment Edited) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CONNECTORS-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13257899#comment-13257899 ] 

Karl Wright edited comment on CONNECTORS-347 at 4/19/12 11:23 PM:
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Just saw it again; clearly it is "real".
My working hypothesis is that the counts returned by count(x) in the SQL statements are in fact not synchronized with the transactions, so maybe the count can "run behind".  The context in which this happens is an initial crawl of six documents, with a hopcount filter.  If the filter is not working the count would be 7; with a working filter, it's 6.  But how can we then get 4?

                
      was (Author: kwright@metacarta.com):
    Just saw it again; clearly it is "real".
                  
> MySQL HopCount test sometimes fails
> -----------------------------------
>
>                 Key: CONNECTORS-347
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-347
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Framework core
>    Affects Versions: ManifoldCF 0.5
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>             Fix For: ManifoldCF next
>
>
> The HopcountMySQLIT test sometimes fails complaining that it is expecting to see 6 documents but only sees 4.
> {code}
>     [junit] org.apache.manifoldcf.core.interfaces.ManifoldCFException: Wrong number of documents processed - expected 6, saw 4
>     [junit]     at org.apache.manifoldcf.filesystem_tests.HopcountMySQLIT.hopcountCheck(HopcountMySQLIT.java:152)
> {code}
> This does not happen on every run.

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