Hello,
Following up on my query. I know this might be too specific an issue. But I
just want to know that it's a legitimate bug and the supported operation is
allowed with the /export handler. If someone has an idea about this and
could confirm, that would be great.
Thanks,
Rahul
On Thu, Jan 17, 2019 at 4:58 PM Rahul Goswami <rahul196...@gmail.com> wrote:
> Hello,
>
> I am using SolrCloud on Solr 7.2.1.
> I get the NullPointerException in the Solr logs (in ExportWriter.java)
> when the /stream handler is invoked with a search() streaming expression
> with qt="/export" containing fq="{!collapse field=id_field sort="time
> desc"} (among other fq's. I tried eliminating one fq at a time to find the
> problematic one. The one with collapse parser is what makes it fail).
>
>
> I see an open JIRA for this issue (with a submitted patch which has not
> yet been accepted):
>
> https://issues.apache.org/jira/browse/SOLR-8291
>
>
>
> In my case useFilterForSortedQuery=false
>
> org.apache.solr.servlet.HttpSolrCall null:java.lang.NullPointerException
> at org.apache.lucene.util.BitSetIterator.<init>(BitSetIterator.java:61)
> at org.apache.solr.handler.ExportWriter.writeDocs(ExportWriter.java:243)
> at
> org.apache.solr.handler.ExportWriter.lambda$null$1(ExportWriter.java:222)
> at
> org.apache.solr.response.JSONWriter.writeIterator(JSONResponseWriter.java:523)
> at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:180)
> at org.apache.solr.response.JSONWriter$2.put(JSONResponseWriter.java:559)
> at
> org.apache.solr.handler.ExportWriter.lambda$null$2(ExportWriter.java:222)
> at
> org.apache.solr.response.JSONWriter.writeMap(JSONResponseWriter.java:547)
> at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:198)
> at org.apache.solr.response.JSONWriter$2.put(JSONResponseWriter.java:559)
> at
> org.apache.solr.handler.ExportWriter.lambda$write$3(ExportWriter.java:220)
> at
> org.apache.solr.response.JSONWriter.writeMap(JSONResponseWriter.java:547)
> at org.apache.solr.handler.ExportWriter.write(ExportWriter.java:218)
> at org.apache.solr.core.SolrCore$3.write(SolrCore.java:2627)
> at
> org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:49)
> at
> org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:788)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:525)
>
>
> Above is a smaller trace; I can provide the complete stacktrace if it
> helps. Before considering making a fix in ExportWriter.java and rebuilding
> Solr as a last resort, I want to make sure I am not using something which
> is not supported on SolrCloud. Can anybody please help?
>
>
>
