[ https://issues.apache.org/jira/browse/SOLR-13198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mikhail Khludnev resolved SOLR-13198. ------------------------------------- Resolution: Duplicate > NullPointerException in org.apache.solr.search.QParser.getParser > ---------------------------------------------------------------- > > Key: SOLR-13198 > URL: https://issues.apache.org/jira/browse/SOLR-13198 > 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 > 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]. The > attached file ({{home.zip}}) gives the contents of folder {{/tmp/home}} that > you will obtain by following the steps below: > {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 > {noformat} > Reporter: Cesar Rodriguez > Priority: Major > Labels: diffblue, newdev > Attachments: home.zip > > > Requesting the following URL causes Solr to return an HTTP 500 error response: > {noformat} > http://localhost:8983/solr/films/select?defType=xxx > {noformat} > The error response seems to be caused by the following uncaught exception: > {noformat} > java.lang.NullPointerException > at org.apache.solr.search.QParser.getParser(QParser.java:367) > at org.apache.solr.search.QParser.getParser(QParser.java:319) > at > org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:157) > 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 problem seems to be related to the input validation of parameter > {{defType}}. Method {{org.apache.solr.search.QParser.getParser()}} retrieves > a {{QParserPlugin}} at line 366, but the {{parserName}} is {{xxx}} and the > returned plugin is {{null}}. Immediately after (line 367) this plugin is > used, thus triggering the NPE. The {{null}} pointer should probably be > checked before it's used. > I think this is the example bug we described in the video attached to [this > blog > post|https://www.diffblue.com/blog/2018/12/19/diffblue-microservice-testing-a-sneak-peek-at-our-early-product-and-results?utm_source=solr-br]. > We found this bug and 70 more like this using [Diffblue Microservices > Testing|https://www.diffblue.com/labs/?utm_source=solr-br]. Check the blog > post to learn more about this fuzz testing campaign we are running. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org