[jira] [Created] (SOLR-8418) BoostQuery cannot be cast to TermQuery

["Jens Wille (JIRA)" <ji...@apache.org>]

Jens Wille created SOLR-8418:
--------------------------------

             Summary: BoostQuery cannot be cast to TermQuery
                 Key: SOLR-8418
                 URL: https://issues.apache.org/jira/browse/SOLR-8418
             Project: Solr
          Issue Type: Bug
          Components: MoreLikeThis
    Affects Versions: 5.4
            Reporter: Jens Wille


As a consequence of LUCENE-6590, {{MoreLikeThisHandler}} was changed in r1701621 to use the new API. In SOLR-7912, I adapted that code for {{CloudMLTQParser}} and {{SimpleMLTQParser}}. However, setting the {{boost}} parameter just failed for me after updating to 5.4 with the following error message:

{code}
java.lang.ClassCastException: org.apache.lucene.search.BoostQuery cannot be cast to org.apache.lucene.search.TermQuery
        at org.apache.solr.search.mlt.SimpleMLTQParser.parse(SimpleMLTQParser.java:139)
        at org.apache.solr.search.QParser.getQuery(QParser.java:141)
        at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:160)
        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:254)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2073)
        at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:658)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:457)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:222)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:181)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:745)
{code}



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