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  1. Solr
  2. SOLR-8558

Referencing an invalid query parser results in cryptic NPE

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Details

    • Bug
    • Status: Closed
    • Minor
    • Resolution: Fixed
    • 5.4
    • 8.2
    • query parsers
    • None

    Description

      When an invalid query parser name is used with the defType parameter or in localparams, Solr logs an extremely unhelpful NPE (this stacktrace obtained from the solr-user mailing list):

      java.lang.NullPointerException
      at org.apache.solr.search.QParser.getParser(QParser.java:315)
      at org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:159)
      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)
      

      This should be improved so the user will know what actually went wrong.

      Attachments

        1. SOLR-8558.patch
          0.9 kB
          Shawn Heisey

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            People

              munendrasn Munendra S N
              elyograg Shawn Heisey
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              Dates

                Created:
                Updated:
                Resolved: