[
https://issues.apache.org/jira/browse/SOLR-13207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tomas Eduardo Fernandez Lobbe reopened SOLR-13207:
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There are Jenkins failures. I'm taking a look
> AIOOBE in calculateMinShouldMatch
> ---------------------------------
>
> Key: SOLR-13207
> URL: https://issues.apache.org/jira/browse/SOLR-13207
> Project: Solr
> Issue Type: Bug
> 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: Johannes Kloos
> Priority: Major
> Labels: diffblue, newdev
> Fix For: master (9.0), 8.4
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> Requesting the following URL causes Solr to return an HTTP 500 error response:
> {noformat}
> http://localhost:8983/solr/films/select?mm=%3C&defType=edismax&q=fq=field(id,1)
> {noformat}
> The error response seems to be caused by the following uncaught exception:
> {noformat}
> java.lang.ArrayIndexOutOfBoundsException: 0
> at
> org.apache.solr.util.SolrPluginUtils.calculateMinShouldMatch(SolrPluginUtils.java:683)
> at
> org.apache.solr.util.SolrPluginUtils.setMinShouldMatch(SolrPluginUtils.java:641)
> at
> org.apache.solr.util.SolrPluginUtils.setMinShouldMatch(SolrPluginUtils.java:660)
> at
> org.apache.solr.search.ExtendedDismaxQParser.parseOriginalQuery(ExtendedDismaxQParser.java:415)
> at
> org.apache.solr.search.ExtendedDismaxQParser.parse(ExtendedDismaxQParser.java:173)
> at org.apache.solr.search.QParser.getQuery(QParser.java:173)
> at
> org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:158)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:272)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2559)
> {noformat}
> The mm parameter is given as ‘<’. It is (after some string mangling) split
> into sub-strings separated by ‘<’, putattively giving the left-hand and
> right-hand argument of the operator. In the example, there are no such
> arguments, so the resulting array “parts” is empty (cf. String.split
> documentation). But we immediately try to access parts[0], leading to an
> AIOOBE.
> 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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