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Posted to dev@lucene.apache.org by "Marek (JIRA)" <ji...@apache.org> on 2019/02/01 15:46:00 UTC
[jira] [Updated] (SOLR-13204) ArrayIndexOutOfBoundsException in
org/apache/solr/search/grouping/endresulttransformer/MainEndResultTransformer.java[36]
[ https://issues.apache.org/jira/browse/SOLR-13204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marek updated SOLR-13204:
-------------------------
Labels: diffblue newdev (was: diffblue)
> ArrayIndexOutOfBoundsException in org/apache/solr/search/grouping/endresulttransformer/MainEndResultTransformer.java[36]
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-13204
> URL: https://issues.apache.org/jira/browse/SOLR-13204
> 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}
> solr/films/select?group=true&distrib=true&group.main=true
> {noformat}
> The error response seems to be caused by the following uncaught exception:
> {noformat}
> ERROR (qtp689401025-18) [ x:films] o.a.s.s.HttpSolrCall null:java.lang.ArrayIndexOutOfBoundsException: 0
> at org.apache.solr.search.grouping.endresulttransformer.MainEndResultTransformer.transform(MainEndResultTransformer.java:36)
> at org.apache.solr.handler.component.QueryComponent.groupedFinishStage(QueryComponent.java:638)
> at org.apache.solr.handler.component.QueryComponent.finishStage(QueryComponent.java:601)
> at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:432)
> 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)
> [...]
> {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.
> Look into section 'Environment' above to see installation step of Solr and films collection.
> We 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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