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The "ErrorMessagesInNutch2" page has been changed by LewisJohnMcgibbney: http://wiki.apache.org/nutch/ErrorMessagesInNutch2?action=diff&rev1=14&rev2=15 What we wish to know is in which scenarios it is possible to have a page which we attempt to fetch, parse or index which has a null value for *_MARK? - * Well, whilst the Jobs are executing this can occur for example as you have to load all backend entries, as there are no filters ("where" clauses in SQL) in Apache Gora. This means that you will see a lot of entries with wrong mark's. + * Well, whilst the Jobs are executing this can occur for example as you have to load all backend entries, as there are no filters ("where" clauses in SQL) in Apache Gora. This means that you will see a lot of entries with wrong mark's. - * Null values are possible, too, think about these steps: inject -> generate -> inject -> fetch. The second inject will leave entries in the db without fetchmarks seen by the fetcher later. + * Null values are possible, too, think about these steps: inject -> generate -> inject -> fetch. The second inject will leave entries in the db without fetchmarks seen by the fetcher later. It seems to be that updating the web database with the DBUpdaterJob, sorts this out.
