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https://issues.apache.org/jira/browse/LUCENE-10533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kevin Risden updated LUCENE-10533:
----------------------------------
Status: Patch Available (was: Open)
> SpellChecker.formGrams is missing bounds check
> ----------------------------------------------
>
> Key: LUCENE-10533
> URL: https://issues.apache.org/jira/browse/LUCENE-10533
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> If using Solr IndexBasedSpellChecker and spellcheck.q is empty the following
> exception occurs (found in SOLR-16169). There is an argument that the caller
> should not be invalid, but a simple bounds check would prevent this in Lucene.
> {code:java}
> null:java.lang.NegativeArraySizeException: -1
> at
> org.apache.lucene.search.spell.SpellChecker.formGrams(SpellChecker.java:438)
> at
> org.apache.lucene.search.spell.SpellChecker.suggestSimilar(SpellChecker.java:345)
> at
> org.apache.solr.spelling.AbstractLuceneSpellChecker.getSuggestions(AbstractLuceneSpellChecker.java:147)
> at
> org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:195)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:328)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:211)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2596)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:799)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:578)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1711)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1347)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1678)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1249)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at
> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at org.eclipse.jetty.server.Server.handle(Server.java:505)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:781)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:917)
> at java.base/java.lang.Thread.run(Unknown Source)
> {code}
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