Kevin Risden created LUCENE-10533:
-------------------------------------
Summary: 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
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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