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From Tomás Fernández Löbbe (Updated) (JIRA) <j...@apache.org>
Subject [jira] [Updated] (SOLR-3256) Distributed search throws NPE when using fl=score
Date Tue, 20 Mar 2012 12:11:38 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tomás Fernández Löbbe updated SOLR-3256:
----------------------------------------

    Attachment: SOLR-3256.patch

It's rare, it seems to depend on the order of the fl parameters.
http://localhost:8983/solr/select?q=*:*&shards=localhost:8983/solr&fl=id&fl=cat&fl=price

shows only the id,

http://localhost:8983/solr/select?q=*:*&shards=localhost:8983/solr&fl=cat&fl=id&fl=price

shows id and cat and
http://localhost:8983/solr/select?q=*:*&shards=localhost:8983/solr&fl=price&fl=cat&fl=id
shows price and id.

I'm attaching a patch that demonstrates the failure with a test case.
                
> Distributed search throws NPE when using fl=score
> -------------------------------------------------
>
>                 Key: SOLR-3256
>                 URL: https://issues.apache.org/jira/browse/SOLR-3256
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Tomás Fernández Löbbe
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: SOLR-3256.patch
>
>
> Steps to reproduce the problem:
> Start two Solr instances (may use the example configuration)
> add some documents to both instances
> execute a query like: http://localhost:8983/solr/select?shards=localhost:8983/solr,localhost:8984/solr&q=(ipod%20OR%20display)&*fl=score*
> Expected result:
> List of scores or at least an exception saying that this request is not supported (may
not make too much sense to do fl=score, but a descriptive exception can help debug the problem)
> Getting:
> SEVERE: null:java.lang.NullPointerException
> 	at org.apache.solr.handler.component.QueryComponent.returnFields(QueryComponent.java:985)
> 	at org.apache.solr.handler.component.QueryComponent.handleRegularResponses(QueryComponent.java:637)
> 	at org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:612)
> 	at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:307)
> 	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
> 	at org.apache.solr.core.SolrCore.execute(SolrCore.java:1540)
> 	at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:435)
> 	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:256)
> 	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1337)
> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:484)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
> 	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:233)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1065)
> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:413)
> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:999)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> 	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
> 	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
> 	at org.eclipse.jetty.server.Server.handle(Server.java:351)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:454)
> 	at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:47)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:890)
> 	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:944)
> 	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:634)
> 	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230)
> 	at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:66)
> 	at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:254)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
> 	at java.lang.Thread.run(Thread.java:636)

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