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https://issues.apache.org/jira/browse/SOLR-2005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Høydahl closed SOLR-2005.
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Resolution: Incomplete
Closing ancient issue since it has not seen activity for years. Probably the
NPE is fixed in some other issue.
If someone are still seeing NPE with SolrJ and MLT in 6.x then please open a
new issue with details.
> NullPointerException for more like this request handler via SolrJ if the
> document does not exist
> ------------------------------------------------------------------------------------------------
>
> Key: SOLR-2005
> URL: https://issues.apache.org/jira/browse/SOLR-2005
> Project: Solr
> Issue Type: Bug
> Components: clients - java, MoreLikeThis
> Affects Versions: 1.4
> Environment: jdk1.6
> Reporter: Peter Karich
> Priority: Minor
> Original Estimate: 20m
> Remaining Estimate: 20m
>
> If I query solr with the following (via SolrJ):
> q=myUniqueKey%3AsomeValueWhichDoesNotExist&qt=%2Fmlt&mlt.fl=myMLTField&mlt.minwl=2&mlt.mindf=1&mlt.match.include=false&facet=true&facet.sort=count&facet.mincount=1&facet.limit=10&facet.field=differentFacetField&start=0&rows=10
> I get:
> org.apache.solr.client.solrj.SolrServerException: Error executing query
> at
> org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:95)
> at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:118)
> Caused by: java.lang.NullPointerException
> at
> org.apache.solr.client.solrj.response.QueryResponse.extractFacetInfo(QueryResponse.java:180)
> at
> org.apache.solr.client.solrj.response.QueryResponse.setResponse(QueryResponse.java:103)
> at
> org.apache.solr.client.solrj.response.QueryResponse.<init>(QueryResponse.java:80)
> at
> org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:89)
> The xml response of the url is empty and so the info variable at line
> NamedList<Integer> fq = (NamedList<Integer>) info.get( "facet_queries" );
> (QueryResponse) is null. Maybe all variables at QueryResponse.setResponse
> should be checked against null? Sth. like
> val = res.getVal( i );
> if(val == null) continue;
> ?
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