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https://issues.apache.org/jira/browse/SOLR-11921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16790779#comment-16790779
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Erick Erickson commented on SOLR-11921:
---------------------------------------
Hmmm, what's the use case? Should the same documents appear at the top of every
page as you're paging?
CursorMark is intended to handle the "deep paging" issue where "start" is at
least in the hundreds. If this combination is intended to keep the elevated
documents at the top of successive pages while a user pages, cursorMark is
overkill and a workaround would be to just use start without cursormark.
> cursorMark with elevateIds throws Exception
> -------------------------------------------
>
> Key: SOLR-11921
> URL: https://issues.apache.org/jira/browse/SOLR-11921
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SearchComponents - other
> Affects Versions: 7.2
> Reporter: Greg Roodt
> Priority: Critical
>
> When cursorMark pagination is used together with elevateIds, an exception is
> thrown.
>
> Steps to reproduce described below.
>
> 1. Start solr with the `demo` core
> {{docker run --name solr_cursor_elevate -d -p 8983:8983 solr:7.2 solr-demo}}
>
> 2. Add some test documents
> {{curl http://localhost:8983/solr/demo/update?commit=true -d '}}
> {{[}}
> {{ {"id" : "book1",}}
> {{ "title_t" : "book one"}}
> {{ },}}
> {{ {"id" : "book2",}}
> {{ "title_t" : "book two"}}
> {{ },}}
> {{ {"id" : "book3",}}
> {{ "title_t" : "book three"}}
> {{ }}}
> {{]'}}
>
> 3. Execute a query with cursorMark and elevateIds
> curl
> '[http://localhost:8983/solr/demo/elevate?cursorMark=*&elevateIds=book3&enableElevation=true&df=title_t&fl=id,title_t&forceElevation=true&q=book&rows=2&sort=id%20asc'|http://localhost:8983/solr/demo/elevate?cursorMark=*&elevateIds=book3&enableElevation=true&df=title_t&fl=id,title_t&forceElevation=true&q=book&rows=2&sort=id%20asc%27]
>
> Observe the stacktrace:
> null:java.lang.ClassCastException: java.lang.Integer cannot be cast to
> org.apache.lucene.util.BytesRef
> at
> org.apache.solr.schema.FieldType.marshalStringSortValue(FieldType.java:1127)
> at org.apache.solr.schema.StrField.marshalSortValue(StrField.java:100)
> at
> org.apache.solr.search.CursorMark.getSerializedTotem(CursorMark.java:250)
> at
> org.apache.solr.handler.component.QueryComponent.doProcessUngroupedSearch(QueryComponent.java:1445)
> at
> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:375)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:295)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2503)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:710)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at
> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.server.Server.handle(Server.java:534)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
> at
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:748)
>
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