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https://issues.apache.org/jira/browse/SOLR-17870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SOLR-17870:
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Labels: pull-request-available (was: )
> UnsupportedOperationException in SpellCheckComponent when Sorting Collations
> ----------------------------------------------------------------------------
>
> Key: SOLR-17870
> URL: https://issues.apache.org/jira/browse/SOLR-17870
> Project: Solr
> Issue Type: Bug
> Components: spellchecker
> Affects Versions: 9.6.1
> Reporter: Puneet Sharma
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2025-08-20-11-34-37-839.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When executing a search query with spell checking enabled
> ({{{}spellcheck=true{}}}), Solr throws a
> {{{}java.lang.UnsupportedOperationException{}}}. This occurs because the
> {{SpellCheckComponent}} attempts to sort an immutable list of spellcheck
> collations.
> Environment:
> Solr version - 9.6.1
> Steps to reproduce
> # Set up a SolrCloud collection with the {{SpellCheckComponent}} configured
> in the request handler (e.g., the default {{/browse}} handler).
> # Index documents that would allow the spell checker to generate suggestions
> (collations).
> # Execute a search query containing a typo and the parameter
> {{spellcheck=true}}
> {{Query:}}
> {{/browse?q=xbox+seris+s*&spellcheck=true&..}}
> Server Error:
> Time allowed to handle this request exceeded
> {code:java}
> org.apache.solr.client.solrj.SolrServerException: Time allowed to handle this
> request exceeded \tat
> org.apache.solr.client.solrj.impl.LBSolrClient$ServerIterator.nextOrError(LBSolrClient.java:296)
> \tat
> org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:455)
> \tat
> org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1193)
> \tat
> org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:892)
> \tat
> org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:820)
> \tat org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:255)
> \tat org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:956) \tat
> org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:971) {code}
> UnsupportedOperationException
> {code:java}
> Error from server at
> http://{host}:8983/solr/retailCollection5s_shard4_replica_p119/browse:
> java.lang.UnsupportedOperationException \tat
> java.base/java.util.ImmutableCollections.uoe(ImmutableCollections.java:142)
> \tat
> java.base/java.util.ImmutableCollections$AbstractImmutableList.sort(ImmutableCollections.java:263)
> \tat java.base/java.util.Collections.sort(Collections.java:145) \tat
> org.apache.solr.handler.component.SpellCheckComponent.addCollationsToResponse(SpellCheckComponent.java:326)
> \tat
> org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:229)
> \tat
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:465)
> \tat
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:226)
> \tat org.apache.solr.core.SolrCore.execute(SolrCore.java:2886) \tat
> org.apache.solr.servlet.HttpSolrCall.executeCoreRequest(HttpSolrCall.java:910)
> \tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:596) \tat
> org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:262)
> \tat
> org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:219)
> \tat
> org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:249)
> \tat
> org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:215)
> \tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:213)
> \tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195)
> \tat org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210)
> \tat
> org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
> \tat
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
> \tat
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:598)
> \tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
> \tat
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
> \tat
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
> \tat
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
> \tat
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
> \tat
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
> \tat
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
> \tat
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149)
> \tat
> org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:228)
> \tat
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:141)
> \tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
> \tat
> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
> \tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
> \tat
> org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
> \tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
> \tat org.eclipse.jetty.server.Server.handle(Server.java:563) \tat
> org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
> \tat org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
> \tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501) \tat
> org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461) \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produce(AdaptiveExecutionStrategy.java:193)
> \tat
> org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:208)
> \tat
> org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:155)
> \tat
> org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:450)
> \tat org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100) \tat
> org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
> \tat
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
> \tat
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
> \tat
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
> \tat
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
> \tat
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
> \tat java.base/java.lang.Thread.run(Thread.java:1583) \tat
> org.apache.solr.client.solrj.impl.HttpSolrClientBase.processErrorsAndResponse(HttpSolrClientBase.java:297)
> \tat
> org.apache.solr.client.solrj.impl.Http2SolrClient.processErrorsAndResponse(Http2SolrClient.java:570)
> \tat
> org.apache.solr.client.solrj.impl.Http2SolrClient.request(Http2SolrClient.java:526)
> \tat
> org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:495)
> \tat
> org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:458)
> \t... 24 common frames omitted {code}
> !image-2025-08-20-11-34-37-839.png|width=596,height=79!
> SpellCheckCollator returns the Immutable List when queryLimits exceeded
> Ref Jira: https://issues.apache.org/jira/browse/SOLR-17172
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