[jira] [Created] (SOLR-16169) IndexBasedSpellChecker with empty spellcheck.q results in NegativeArraySizeException

["Kevin Risden (Jira)" <ji...@apache.org>]

Kevin Risden created SOLR-16169:
-----------------------------------

             Summary: IndexBasedSpellChecker with empty spellcheck.q results in NegativeArraySizeException
                 Key: SOLR-16169
                 URL: https://issues.apache.org/jira/browse/SOLR-16169
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: spellchecker
            Reporter: Kevin Risden
            Assignee: Kevin Risden


If using IndexBasedSpellChecker and spellcheck.q is empty the following exception occurs. The default DirectSolrSpellChecker doesn't have this since there is a minimum size of tokens checked. The exception is from Lucene, but opening this in Solr for now since it is exposed through Solr.

{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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