Multi Valued Selection field in web content is not getting indexed in Solr

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.3.X
• Fix Version/s: 7.3.10.3 DXP SP3, 7.3.X
• Component/s: Search Infrastructure > Solr Connector
• Labels:
  • ee-ts
  • liferay-dxp-73-sp3
  • liferay-fix-pack-dxp-3-7310
  • liferay-fixpack-dxp-3-7310
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/liferay/liferay-portal-ee/pull/25809
• QA Test Name:
  • no-test-needed
• Quality Gate: Customer

Description

Solr throws a multiple values encountered for non multiValued field error when web contents containing a multi valued selection field is saved.

Steps to reproduce

1. Connect a clean 7.3 bundle to Solr 8.6.2 following these instructions: https://learn.liferay.com/dxp/latest/en/using-search/installing-and-upgrading-a-search-engine/solr/installing-solr.html
2. Navigate to Site Administration > Content & Data > Web Content > Structures and create a structure which contains a "select" field
3. Click on the gear menu on the select field to see Settings, then set the value for "multiple" to "yes" and save the structure
4. Create web content using the structure, select all three options, and save

Results of Testing

Expected Result:
The content are saved and indexed by Solr

Actual Results:
Solr cannot index the content

Errors/Logs

Liferay Error

ERROR [liferay/search_writer/SYSTEM_ENGINE-4][SolrIndexWriter:379] Update failed

Solr error:

ERROR (qtp489349054-16) [   x:liferay] o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: ERROR: [doc=com.liferay.journal.model.JournalArticle_PORTLET_36673] multiple values encountered for non multiValued field ddm__keyword__36665__Select1tcg_en_US_String_sortable: [value 1, value 2, value 3]
	at org.apache.solr.update.DocumentBuilder.toDocument(DocumentBuilder.java:153)
	at org.apache.solr.update.AddUpdateCommand.getLuceneDocument(AddUpdateCommand.java:109)
	at org.apache.solr.update.DirectUpdateHandler2.updateDocOrDocValues(DirectUpdateHandler2.java:981)
	at org.apache.solr.update.DirectUpdateHandler2.doNormalUpdate(DirectUpdateHandler2.java:347)
	at org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:294)
	at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:241)
	at org.apache.solr.update.processor.RunUpdateProcessorFactory$RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:73)
	at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:55)
	at org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:259)
	at org.apache.solr.update.processor.DistributedUpdateProcessor.doVersionAdd(DistributedUpdateProcessor.java:498)
	at org.apache.solr.update.processor.DistributedUpdateProcessor.lambda$versionAdd$0(DistributedUpdateProcessor.java:339)
	at org.apache.solr.update.VersionBucket.runWithLock(VersionBucket.java:50)
	at org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:339)
	at org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:225)
	at org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:106)
	at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:55)
	at org.apache.solr.update.processor.AbstractDefaultValueUpdateProcessorFactory$DefaultValueUpdateProcessor.processAdd(AbstractDefaultValueUpdateProcessorFactory.java:92)
	at org.apache.solr.handler.loader.JavabinLoader$1.update(JavabinLoader.java:110)
	at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$StreamingCodec.readOuterMostDocIterator(JavaBinUpdateRequestCodec.java:343)
	at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$StreamingCodec.readIterator(JavaBinUpdateRequestCodec.java:291)
	at org.apache.solr.common.util.JavaBinCodec.readObject(JavaBinCodec.java:338)
	at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:283)
	at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec$StreamingCodec.readNamedList(JavaBinUpdateRequestCodec.java:244)
	at org.apache.solr.common.util.JavaBinCodec.readObject(JavaBinCodec.java:303)
	at org.apache.solr.common.util.JavaBinCodec.readVal(JavaBinCodec.java:283)
	at org.apache.solr.common.util.JavaBinCodec.unmarshal(JavaBinCodec.java:196)
	at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.unmarshal(JavaBinUpdateRequestCodec.java:131)
	at org.apache.solr.handler.loader.JavabinLoader.parseAndLoadDocs(JavabinLoader.java:122)
	at org.apache.solr.handler.loader.JavabinLoader.load(JavabinLoader.java:70)
	at org.apache.solr.handler.UpdateRequestHandler$1.load(UpdateRequestHandler.java:97)
	at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:68)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
	at org.apache.solr.core.SolrCore.execute(SolrCore.java:2606)
	at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:815)
	at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:588)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:415)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1596)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:545)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:590)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1300)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1215)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:221)
	at org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:177)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:500)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
	at java.lang.Thread.run(Thread.java:748)

Master

There is no Solr 8 connector on Master.

Branch

Reproduced: 73x hash: df892f7f367e483ce903de507522c20e57922789