[
https://issues.apache.org/jira/browse/SOLR-13206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marek updated SOLR-13206:
-------------------------
Labels: diffblue newdev (was: diffblue)
> ArrayIndexOutOfBoundsException in
> org/apache/solr/request/SimpleFacets.java[705]
> --------------------------------------------------------------------------------
>
> Key: SOLR-13206
> URL: https://issues.apache.org/jira/browse/SOLR-13206
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: master (9.0)
> Environment: h1. Steps to reproduce
> * Use a Linux machine.
> * Build commit {{ea2c8ba}} of Solr as described in the section below.
> * Build the films collection as described below.
> * Start the server using the command {{./bin/solr start -f -p 8983 -s
> /tmp/home}}
> * Request the URL given in the bug description.
> h1. Compiling the server
> {noformat}
> git clone https://github.com/apache/lucene-solr
> cd lucene-solr
> git checkout ea2c8ba
> ant compile
> cd solr
> ant server
> {noformat}
> h1. Building the collection and reproducing the bug
> We followed [Exercise
> 2|http://lucene.apache.org/solr/guide/7_5/solr-tutorial.html#exercise-2] from
> the [Solr
> Tutorial|http://lucene.apache.org/solr/guide/7_5/solr-tutorial.html].
> {noformat}
> mkdir -p /tmp/home
> echo '<?xml version="1.0" encoding="UTF-8" ?><solr></solr>' >
> /tmp/home/solr.xml
> {noformat}
> In one terminal start a Solr instance in foreground:
> {noformat}
> ./bin/solr start -f -p 8983 -s /tmp/home
> {noformat}
> In another terminal, create a collection of movies, with no shards and no
> replication, and initialize it:
> {noformat}
> bin/solr create -c films
> curl -X POST -H 'Content-type:application/json' --data-binary '{"add-field":
> {"name":"name", "type":"text_general", "multiValued":false, "stored":true}}'
> http://localhost:8983/solr/films/schema
> curl -X POST -H 'Content-type:application/json' --data-binary
> '{"add-copy-field" : {"source":"*","dest":"_text_"}}'
> http://localhost:8983/solr/films/schema
> ./bin/post -c films example/films/films.json
> curl -v "URL_BUG"
> {noformat}
> Please check the issue description below to find the "URL_BUG" that will
> allow you to reproduce the issue reported.
> Reporter: Marek
> Priority: Minor
> Labels: diffblue, newdev
>
> Requesting the following URL causes Solr to return an HTTP 500 error response:
> {noformat}
> http://localhost:8983/solr/films/select?group=true&group.func=genre&group.facet=true&facet.pivot=_version_&on&facet=true
> {noformat}
> The error response seems to be caused by the following uncaught exception:
> {noformat}
> ERROR (qtp689401025-21) [ x:films] o.a.s.h.RequestHandlerBase
> java.lang.ArrayIndexOutOfBoundsException: 0
> at
> org.apache.solr.request.SimpleFacets.getGroupedCounts(SimpleFacets.java:705)
> at
> org.apache.solr.request.SimpleFacets.getTermCounts(SimpleFacets.java:495)
> at
> org.apache.solr.request.SimpleFacets.getTermCountsForPivots(SimpleFacets.java:414)
> at
> org.apache.solr.handler.component.PivotFacetProcessor.processSingle(PivotFacetProcessor.java:221)
> at
> org.apache.solr.handler.component.PivotFacetProcessor.process(PivotFacetProcessor.java:169)
> at
> org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:279)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2559)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
> 394)
> [...]
> {noformat}
> There is accessed the first element of an empty array of strings, stored in
> the member 'org.apache.solr.search.grouping.GroupingSpecification.fields'.
> There is an attept to put some strings to the array at
> org/apache/solr/handler/component/QueryComponent.java[283]; however, the
> string "group.field" is not present in params of the processed
> org.apache.solr.request.SolrQueryRequest instance.
> The cause of the issue seems to be similar to one reported in SOLR-13204.
> To set up an environment to reproduce this bug, follow the description in the
> 'Environment' field.
> We automatically found this issue and ~70 more like this using [Diffblue
> Microservices Testing|https://www.diffblue.com/labs/?utm_source=solr-br].
> Find more information on this [fuzz testing
> campaign|https://www.diffblue.com/blog/2018/12/19/diffblue-microservice-testing-a-sneak-peek-at-our-early-product-and-results?utm_source=solr-br].
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