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https://issues.apache.org/jira/browse/SOLR-6156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026280#comment-14026280
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Christine Poerschke commented on SOLR-6156:
-------------------------------------------
Hi [~modassar] - i have come across something similar with a test solr
instance, the crucial combination there was
{noformat}group=true&timeAllowed=...&rows=0{noformat} and non-zero rows values
was fine. Does your request use rows=0 as well and/or could you share an
example request that reproduces the exception?
> Exception while using group with timeAllowed on SolrCloud.
> ----------------------------------------------------------
>
> Key: SOLR-6156
> URL: https://issues.apache.org/jira/browse/SOLR-6156
> Project: Solr
> Issue Type: Bug
> Reporter: Modassar Ather
>
> Following exception is thrown when using grouping with timeAllowed. Solr
> version used is 4.8.0.
> SEVERE:
> null:org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:
> java.lang.NullPointerException
> at
> org.apache.lucene.search.TimeLimitingCollector.setNextReader(TimeLimitingCollector.java:158)
> at
> org.apache.lucene.search.MultiCollector.setNextReader(MultiCollector.java:113)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:612)
> at
> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:297)
> at
> org.apache.solr.search.grouping.CommandHandler.searchWithTimeLimiter(CommandHandler.java:219)
> at
> org.apache.solr.search.grouping.CommandHandler.execute(CommandHandler.java:156)
> at
> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:338)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:218)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1952)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:774)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
>
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