[
https://issues.apache.org/jira/browse/SOLR-13200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mikhail Khludnev resolved SOLR-13200.
-------------------------------------
Resolution: Duplicate
Fix Version/s: 8.1
master (9.0)
> Parsing of invalid query yields NPE
> -----------------------------------
>
> Key: SOLR-13200
> URL: https://issues.apache.org/jira/browse/SOLR-13200
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: search
> 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: Johannes Kloos
> Priority: Minor
> Labels: diffblue, newdev
> Fix For: master (9.0), 8.1
>
> Attachments: home.zip
>
>
> Requesting the following URL causes Solr to return an HTTP 500 error response:
> {noformat}
> http://localhost:8983/solr/films/select?fq={!frange%20l=1%20u=1}map(1)
> {noformat}
> The error response seems to be caused by the following uncaught exception:
> {noformat}
> java.lang.NullPointerException
> at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1838)
> at sun.misc.FloatingDecimal.parseFloat(FloatingDecimal.java:122)
> at java.lang.Float.parseFloat(Float.java:451)
> at org.apache.solr.search.FunctionQParser.parseFloat(FunctionQParser.java:145)
> at
> org.apache.solr.search.ValueSourceParser$13.parse(ValueSourceParser.java:242)
> at
> org.apache.solr.search.FunctionQParser.parseValueSource(FunctionQParser.java:370)
> at org.apache.solr.search.FunctionQParser.parse(FunctionQParser.java:82)
> at org.apache.solr.search.QParser.getQuery(QParser.java:173)
> at
> org.apache.solr.search.FunctionRangeQParserPlugin$1.parse(FunctionRangeQParserPlugin.java:51)
> at org.apache.solr.search.QParser.getQuery(QParser.java:173)
> at
> org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:205)
> {noformat}
> The FunctionQParser.parseFloat function reads as follows:
> {noformat}
> String str = parseArg();
> if (argWasQuoted()) throw new SyntaxError("Expected float instead of
> quoted string:" + str);
> float value = Float.parseFloat(str);
> return value;
> {noformat}
> But parseArg() is permitted to return null (this is the case when there are
> no more function arguments), which crashes Float.parseFloat. It may be worth
> handling the null case explicitly.
> We found this bug 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],
> where we found ~70 more issues like this one.
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