[
https://issues.apache.org/jira/browse/SOLR-16570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17642191#comment-17642191
]
Chris M. Hostetter commented on SOLR-16570:
-------------------------------------------
Here's the full stack trace of the error from the logs (running against
{{{}branch_9_1{}}}) ...
{noformat}
2022-12-01 21:59:52.452 INFO (qtp334593716-25) [c:gettingstarted s:shard1
r:core_node5 x:gettingstarted_shard1_replica_n2] o.a.s.c.S.Request webapp=/solr
path=/select
params={q=*:*&distrib=false&fq={!collapse+nullPolicy%3Dexpand+field%3Dfoo_s+hint%3Dtop_fc}}
status=500 QTime=45
2022-12-01 21:59:52.454 ERROR (qtp334593716-25) [c:gettingstarted s:shard1
r:core_node5 x:gettingstarted_shard1_replica_n2] o.a.s.s.HttpSolrCall
java.lang.NullPointerException => java.lang.NullPointerException
at
org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.<init>(CollapsingQParserPlugin.java:621)
java.lang.NullPointerException: null
at
org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.<init>(CollapsingQParserPlugin.java:621)
~[?:?]
at
org.apache.solr.search.CollapsingQParserPlugin$CollectorFactory.getCollector(CollapsingQParserPlugin.java:2125)
~[?:?]
at
org.apache.solr.search.CollapsingQParserPlugin$CollapsingPostFilter.getFilterCollector(CollapsingQParserPlugin.java:460)
~[?:?]
at
org.apache.solr.search.SolrIndexSearcher.getProcessedFilter(SolrIndexSearcher.java:1267)
~[?:?]
at
org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1788)
~[?:?]
at
org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1673)
~[?:?]
at
org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:711)
~[?:?]
at
org.apache.solr.handler.component.QueryComponent.doProcessUngroupedSearch(QueryComponent.java:1637)
~[?:?]
at
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:421)
~[?:?]
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:420)
~[?:?]
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:224)
~[?:?]
at org.apache.solr.core.SolrCore.execute(SolrCore.java:2865) ~[?:?]
at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:887)
~[?:?]
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:606)
~[?:?]
at
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:250)
~[?:?]
at
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:218)
~[?:?]
at
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:257)
~[?:?]
at
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:227)
~[?:?]
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:213)
~[?:?]
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195)
~[?:?]
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201)
~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626)
~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:552)
~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600)
~[jetty-security-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505)
~[jetty-servlet-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:177)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322)
~[jetty-rewrite-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:772)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at org.eclipse.jetty.server.Server.handle(Server.java:516)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
~[jetty-server-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
~[jetty-io-9.4.48.v20220622.jar:9.4.48.v20220622]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
~[jetty-io-9.4.48.v20220622.jar:9.4.48.v20220622]
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
~[jetty-io-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
~[jetty-util-9.4.48.v20220622.jar:9.4.48.v20220622]
at java.lang.Thread.run(Thread.java:829) ~[?:?]
2022-12-01 21:59:58.970 INFO (qtp334593716-19) [c:gettingstarted s:shard1
r:core_node5 x:gettingstarted_shard1_replica_n2] o.a.s.c.S.Request webapp=/solr
path=/select
params={q=*:*&distrib=false&fq={!collapse+nullPolicy%3Dexpand+field%3Dfoo_s}}
hits=0 status=0 QTime=24
2022-12-01 22:00:00.803 INFO (qtp334593716-24) [c:gettingstarted s:shard1
r:core_node5 x:gettingstarted_shard1_replica_n2] o.a.s.c.S.Request webapp=/solr
path=/select
params={q=*:*&distrib=false&fq={!collapse+nullPolicy%3Dexpand+field%3Dfoo_s+hint%3Dtop_fc}}
hits=0 status=0 QTime=5
{noformat}
> collapse w/ nullPolicy=expand + hint=top_fc can NPE on empty collection
> -----------------------------------------------------------------------
>
> Key: SOLR-16570
> URL: https://issues.apache.org/jira/browse/SOLR-16570
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 9.1
> Reporter: Chris M. Hostetter
> Priority: Major
>
> Here's a weird one i just encountered (but haven't dug into in depth)...
> * empty index
> * collapse on a string field
> * using both {{nullPolicy=expand}} and {{hint=top_fc}} causes a
> NullPointerException
> ** Using only one of these options, or neither of these options, returns
> expected (empty) result set
> What makes this bug particularly bizare, is that if you (successfully) query
> using {{nullPolicy=expand}} *WITH OUT* using {{hint=top_fc}}, and then you
> add {{hint=top_fc}} on a subsequent request, the NPE doesn't manifest...
> {noformat}
> hossman@slate:~/lucene/solr [j11] [branch_9_1] $
> ./solr/packaging/build/dev/bin/solr -e cloud -noprompt
> ...
> hossman@slate:~/lucene/solr [j11] [branch_9_1] $ curl --globoff
> 'http://localhost:8983/solr/gettingstarted_shard1_replica_n2/select?q=*:*&distrib=false&fq={!collapse+nullPolicy=expand+field=foo_s+hint=top_fc}'
> {
> "responseHeader":{
> "zkConnected":true,
> "status":500,
> "QTime":45,
> "params":{
> "q":"*:*",
> "distrib":"false",
> "fq":"{!collapse nullPolicy=expand field=foo_s hint=top_fc}"}},
> "error":{
> "trace":"java.lang.NullPointerException\n\tat
> org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.<init>(CollapsingQParserPlugin.java:621)...
> ...
> hossman@slate:~/lucene/solr [j11] [branch_9_1] $ curl --globoff
> 'http://localhost:8983/solr/gettingstarted_shard1_replica_n2/select?q=*:*&distrib=false&fq={!collapse+nullPolicy=expand+field=foo_s}'
> {
> "responseHeader":{
> "zkConnected":true,
> "status":0,
> "QTime":24,
> "params":{
> "q":"*:*",
> "distrib":"false",
> "fq":"{!collapse nullPolicy=expand field=foo_s}"}},
> "response":{"numFound":0,"start":0,"numFoundExact":true,"docs":[]
> }}
> hossman@slate:~/lucene/solr [j11] [branch_9_1] $ curl --globoff
> 'http://localhost:8983/solr/gettingstarted_shard1_replica_n2/select?q=*:*&distrib=false&fq={!collapse+nullPolicy=expand+field=foo_s+hint=top_fc}'
> {
> "responseHeader":{
> "zkConnected":true,
> "status":0,
> "QTime":5,
> "params":{
> "q":"*:*",
> "distrib":"false",
> "fq":"{!collapse nullPolicy=expand field=foo_s hint=top_fc}"}},
> "response":{"numFound":0,"start":0,"numFoundExact":true,"docs":[]
> }}
> {noformat}
> (Note: this doesn't appear to be a "new" bug, it reproduces in 8.11 as well
> .. probably been around for a while)
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