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https://issues.apache.org/jira/browse/NUTCH-941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charan Malemarpuram updated NUTCH-941:
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Description:
Search returns a blank page throwing the following exception in the log file.
java.lang.RuntimeException: Missing hit details! Found: 7, expecting: 8
at
org.apache.nutch.searcher.SolrSearchBean.getDetails(SolrSearchBean.java:175)
at
org.apache.nutch.searcher.DistributedSearchBean$DetailTask.call(DistributedSearchBean.java:92)
This happens, when there is more than one SOLR server configured for search.
Root cause of this issue is the
NutchBean dedup logic does a "contains" check on a Map of Hit objects .
Hit objects do not have hashcode and equals implemented. It is matching by
reference,
When NutchBean requests for more hits to process site based result grouping,
it gets a new object every time from SOLR result and the whole logic breaks.
was:
Search returns a blank page throwing the following exception in the log file.
java.lang.RuntimeException: Missing hit details! Found: 7, expecting: 8
at
org.apache.nutch.searcher.SolrSearchBean.getDetails(SolrSearchBean.java:175)
at
org.apache.nutch.searcher.DistributedSearchBean$DetailTask.call(DistributedSearchBean.java:92)
This happens, when there are more than one SOLR servers configured for search.
Root cause of this issue is the
NutchBean dedup logic does a "contains" check on a Map of Hit objects .
Hit objects do not have hashcode and equals implemented. It is matching by
reference, when this requests for more hits to because of site grouping, it
gets a totally new objec
Summary: Search returns blank page, when there is more than one SOLR
server configured (was: Search returns blank page, when there are more than
one SOLR server configured )
> Search returns blank page, when there is more than one SOLR server configured
> ------------------------------------------------------------------------------
>
> Key: NUTCH-941
> URL: https://issues.apache.org/jira/browse/NUTCH-941
> Project: Nutch
> Issue Type: Bug
> Components: searcher
> Affects Versions: 1.2
> Reporter: Charan Malemarpuram
>
> Search returns a blank page throwing the following exception in the log file.
> java.lang.RuntimeException: Missing hit details! Found: 7, expecting: 8
> at
> org.apache.nutch.searcher.SolrSearchBean.getDetails(SolrSearchBean.java:175)
> at
> org.apache.nutch.searcher.DistributedSearchBean$DetailTask.call(DistributedSearchBean.java:92)
> This happens, when there is more than one SOLR server configured for search.
> Root cause of this issue is the
> NutchBean dedup logic does a "contains" check on a Map of Hit objects .
> Hit objects do not have hashcode and equals implemented. It is matching by
> reference,
> When NutchBean requests for more hits to process site based result grouping,
> it gets a new object every time from SOLR result and the whole logic breaks.
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