[SOLR-12875] ArrayIndexOutOfBoundsException when using uniqueBlock(_root_) in JSON Facets

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 7.5
• Fix Version/s: 7.6, 8.0
• Component/s: Facet Module
• Assignee: Mikhail Khludnev
• Reporter: Tim Underwood
• Created: 15/Oct/18 20:58
• Updated: 08/Jun/19 15:02
• Resolved: 30/Oct/18 18:01

Description

I'm seeing java.lang.ArrayIndexOutOfBoundsException exceptions for some requests when trying to make use of

uniqueBlock(_root_)

within JSON Facets.

Here are some example Stack Traces:

2018-10-12 14:08:50.587 ERROR (qtp215078753-3353) [   x:my_core] o.a.s.s.HttpSolrCall null:java.lang.ArrayIndexOutOfBoundsException: Index 13 out of bounds for length 8
        at org.apache.solr.search.facet.UniqueBlockAgg$UniqueBlockSlotAcc.collectOrdToSlot(UniqueBlockAgg.java:40)
        at org.apache.solr.search.facet.UniqueSinglevaluedSlotAcc.collect(UniqueSinglevaluedSlotAcc.java:85)
        at org.apache.solr.search.facet.FacetFieldProcessor.collectFirstPhase(FacetFieldProcessor.java:243)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.collectValFirstPhase(FacetFieldProcessorByHashDV.java:432)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.access$100(FacetFieldProcessorByHashDV.java:50)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV$5.collect(FacetFieldProcessorByHashDV.java:395)
        at org.apache.solr.search.DocSetUtil.collectSortedDocSet(DocSetUtil.java:284)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.collectDocs(FacetFieldProcessorByHashDV.java:376)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.calcFacets(FacetFieldProcessorByHashDV.java:247)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.process(FacetFieldProcessorByHashDV.java:214)
        at org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:368)
        at org.apache.solr.search.facet.FacetProcessor.processSubs(FacetProcessor.java:472)
        at org.apache.solr.search.facet.FacetProcessor.fillBucket(FacetProcessor.java:429)
        at org.apache.solr.search.facet.FacetQueryProcessor.process(FacetQuery.java:64)
        at org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:368)
        at org.apache.solr.search.facet.FacetModule.process(FacetModule.java:139)
        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)

 

Here is another one at a different location in UniqueBlockAgg:
 

2018-10-12 21:37:57.322 ERROR (qtp215078753-4072) [   x:my_core] o.a.s.h.RequestHandlerBase java.lang.ArrayIndexOutOfBoundsException: Index 23 out of bounds for length 16
        at org.apache.solr.search.facet.UniqueBlockAgg$UniqueBlockSlotAcc.getValue(UniqueBlockAgg.java:59)
        at org.apache.solr.search.facet.SlotAcc.setValues(SlotAcc.java:146)
        at org.apache.solr.search.facet.FacetFieldProcessor.fillBucket(FacetFieldProcessor.java:431)
        at org.apache.solr.search.facet.FacetFieldProcessor.findTopSlots(FacetFieldProcessor.java:381)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.calcFacets(FacetFieldProcessorByHashDV.java:249)
        at org.apache.solr.search.facet.FacetFieldProcessorByHashDV.process(FacetFieldProcessorByHashDV.java:214)
        at org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:368)
        at org.apache.solr.search.facet.FacetProcessor.processSubs(FacetProcessor.java:472)
        at org.apache.solr.search.facet.FacetProcessor.fillBucket(FacetProcessor.java:429)
        at org.apache.solr.search.facet.FacetQueryProcessor.process(FacetQuery.java:64)
        at org.apache.solr.search.facet.FacetRequest.process(FacetRequest.java:368)
        at org.apache.solr.search.facet.FacetModule.process(FacetModule.java:139)
        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)

 

 

 

 

Issue Links

• is caused by: SOLR-8998 JSON Facet API child roll-ups
• links to: GitHub Pull Request #472
• links to: GitHub Pull Request #472