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Cader Hancock commented on SOLR-13209: -------------------------------------- https://github.com/apache/lucene-solr/pull/933 > NullPointerException from call in > org.apache.solr.search.SolrIndexSearcher.getDocSet > ------------------------------------------------------------------------------------ > > Key: SOLR-13209 > URL: https://issues.apache.org/jira/browse/SOLR-13209 > Project: Solr > Issue Type: Bug > 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: Cesar Rodriguez > Priority: Minor > Labels: diffblue, newdev > Time Spent: 10m > Remaining Estimate: 0h > > Requesting the following URL causes Solr to return an HTTP 500 error response: > {noformat} > http://localhost:8983/solr/films/select?group=true&group.query > {noformat} > The error response seems to be caused by the following uncaught exception: > {noformat} > java.lang.NullPointerException > at > java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936) > at > org.apache.solr.util.ConcurrentLRUCache.get(ConcurrentLRUCache.java:124) > at org.apache.solr.search.FastLRUCache.get(FastLRUCache.java:163) > at > org.apache.solr.search.SolrIndexSearcher.getDocSet(SolrIndexSearcher.java:792) > at > org.apache.solr.search.Grouping$CommandQuery.createFirstPassCollector(Grouping.java:860) > at org.apache.solr.search.Grouping.execute(Grouping.java:327) > at > org.apache.solr.handler.component.QueryComponent.doProcessGroupedSearch(QueryComponent.java:1408) > at > org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:365) > 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) > [...] > {noformat} > Method {{org.apache.solr.search.SolrIndexSearcher.getDocSet()}}, at line 792 > calls {{filterCache.get(absQ)}} where {{absQ}} is a null pointer. I think > this null pointer comes in fact from the caller, but I don't fully follow the > logic of the code. > 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]. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org