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https://issues.apache.org/jira/browse/NUTCH-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809081#comment-13809081
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lufeng commented on NUTCH-1651:
-------------------------------

Hi Talat

yes, u are right, lastModified is a fetch parameter, but this can also be set 
by parser plugins, because this attribute can also defined by parsers. it's a 
attribute of WebPage. 

I don't find any code in Nutch 2.x to set the ModifiedTime in WebPage, also not 
find in Nutch1.x. very strange.



> modifiedTime and prevmodifiedTime never set 
> --------------------------------------------
>
>                 Key: NUTCH-1651
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1651
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 2.2.1
>            Reporter: Talat UYARER
>             Fix For: 2.3
>
>         Attachments: NUTCH-1651.patch
>
>
> modifiedTime is never set. If you use DefaultFetchScheduler, modifiedTime is 
> always zero as default. But if you use AdaptiveFetchScheduler, modifiedTime 
> is set only once in the beginning by zero-control of AdaptiveFetchScheduler.
> But this is not sufficient since modifiedTime needs to be updated whenever 
> last modified time is available. We corrected this with a patch.
> Also we noticed that prevModifiedTime is not written to database and we 
> corrected that too.
> With this patch, whenever lastModifiedTime is available, we do two things. 
> First we set modifiedTime in the Page object to prevModifiedTime. After that 
> we set lastModifiedTime to modifiedTime.



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