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From Douglas McGilvray>
Subject Debugging NullPointerException in QueryComponent.mergeIds for cross core search
Date Mon, 16 May 2016 18:48:04 GMT

Hi, I am having trouble performing a search across multiple cores on a single server running

I have erased, rebuilt & optimized the indexes, and  and according to the schema browser
for both cores, every document has a unique key (id). However I am still getting the same
error. I would appreciate any suggestions as to how I might resolve this. FWIW I do have child
documents in my index, although all of these have a unique id too.

Query ran:

<lst name="error">
<str name="trace">
java.lang.NullPointerException at org.apache.solr.handler.component.QueryComponent.mergeIds(
at org.apache.solr.handler.component.QueryComponent.handleRegularResponses(
at org.apache.solr.handler.component.QueryComponent.handleResponses(
at org.apache.solr.handler.component.SearchHandler.handleRequestBody(

Full error message:
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