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From "Shawn Heisey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5125) Distributed MoreLikeThis fails with NullPointerException, shard query gives EarlyTerminatingCollectorException
Date Thu, 08 Aug 2013 18:35:49 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13733816#comment-13733816
] 

Shawn Heisey commented on SOLR-5125:
------------------------------------

The query that works fine in 4.2.1 has the following URL:

/solr/ncmain/ncdismax?q=tag_id:ugphotos000996&mlt=true&mlt.fl=catchall&mlt.count=100

The ncmain handler has the shards parameter in solrconfig.xml and is set up for edismax. The
shards.qt parameter is /search, a handler using the default query parser.  On 4.2.1, it had
a QTime of 49641, a performance issue that I mentioned on the mailing list and will be pursuing
there.  Here's a server log excerpt, showing a shard request, the shard exception, the original
query, and the final exception.

{noformat}
INFO  - 2013-08-08 12:18:20.030; org.apache.solr.core.SolrCore; [s3live] webapp=/solr path=/search
params={mlt.fl=catchall&sort=score+desc&tie=0.1&shards.qt=/search&mlt.dist.id=ugphotos000996&mlt=true&q.alt=*:*&distrib=false&shards.tolerant=true&version=2&NOW=1375985885078&shard.url=bigindy5.REDACTED.com:8982/solr/s3live&df=catchall&fl=score,tag_id&qs=3&qt=/search&lowercaseOperators=false&mm=100%25&qf=catchall&wt=javabin&rows=100&defType=edismax&pf=catchall^2&mlt.count=100&start=0&q=%2B(catchall:arabian+catchall:close-up+catchall:horse+catchall:closeup+catchall:close+catchall:white+catchall:up+catchall:sassy+catchall:154+catchall:equestrian+catchall:domestic+catchall:animals+catchall:of)+-tag_id:ugphotos000996&shards.info=true&boost=min(recip(abs(ms(NOW/HOUR,pd)),1.92901e-10,1.5,1.5),0.85)&isShard=true&ps=3}
6815483 status=500 QTime=14639
ERROR - 2013-08-08 12:18:20.030; org.apache.solr.common.SolrException; null:org.apache.solr.search.EarlyTerminatingCollectorException
        at org.apache.solr.search.EarlyTerminatingCollector.collect(EarlyTerminatingCollector.java:62)
        at org.apache.lucene.search.BooleanScorer2.score(BooleanScorer2.java:289)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:624)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:297)
        at org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1494)
        at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1363)
        at org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:474)
        at org.apache.solr.search.SolrIndexSearcher.getDocList(SolrIndexSearcher.java:1226)
        at org.apache.solr.handler.MoreLikeThisHandler$MoreLikeThisHelper.getMoreLikeThis(MoreLikeThisHandler.java:365)
        at org.apache.solr.handler.component.MoreLikeThisComponent.getMoreLikeThese(MoreLikeThisComponent.java:356)
        at org.apache.solr.handler.component.MoreLikeThisComponent.process(MoreLikeThisComponent.java:107)
        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:208)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1904)
        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:659)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:362)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:365)
        at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
        at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:937)
        at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:998)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:856)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:722)

INFO  - 2013-08-08 12:18:20.225; org.apache.solr.core.SolrCore; [ncmain] webapp=/solr path=/ncdismax
params={mlt.count=100&mlt.fl=catchall&q=tag_id:ugphotos000996&mlt=true} hits=1
status=500 QTime=15147
ERROR - 2013-08-08 12:18:20.226; org.apache.solr.common.SolrException; null:java.lang.NullPointerException
        at org.apache.solr.handler.component.MoreLikeThisComponent.handleResponses(MoreLikeThisComponent.java:143)
        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:311)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1904)
        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:659)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:362)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:158)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:365)
        at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
        at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
        at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
        at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:722)
{noformat}

                
> Distributed MoreLikeThis fails with NullPointerException, shard query gives EarlyTerminatingCollectorException
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-5125
>                 URL: https://issues.apache.org/jira/browse/SOLR-5125
>             Project: Solr
>          Issue Type: Bug
>          Components: MoreLikeThis
>    Affects Versions: 4.4
>            Reporter: Shawn Heisey
>             Fix For: 4.5, 5.0
>
>
> A distributed MoreLikeThis query that works perfectly on 4.2.1 is failing on 4.4.0. 
The original query returns a NullPointerException.  The Solr log shows that the shard queries
are throwing EarlyTerminatingCollectorException.  Full details to follow in the comments.

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