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https://issues.apache.org/jira/browse/SOLR-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662344#action_12662344
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Jayson Minard commented on SOLR-951:
------------------------------------
ok so if the string being parsed is:
{code}
{!terms=$SubjectTerms_mfacet__termsex=t1}SubjectTerms_mfacet
{code}
And this enters parseLocalParams() in QueryParsing...
It would see the "{!" and then start parsing the remainder
"terms=$SubjectTerms_mfacet__termsex=t1}SubjectTerms_mfacet" using the first
getId call which succeeds and finds "terms" and then the "=" via the peek, and
then enters the if that sees the "$" and decides to dereference the parameter.
It immediately calls getId() again which pulls out
"$SubjectTerms_mfacet__termsex" and then loops to the top of the loop and calls
getId() a second time picking up the final "=" which is then an error. So,
something is missing in the parameters. Is "ex=t1" another parameter and
should have a delimiter? Ah, it should have a space between there somewhere.
So the parsing is fine, but the creation of the string isn't. Searching
upwards the stack trace now.
> Distributed query fails with tag / exclude pattern used for facets that are
> multi-valued.
> -----------------------------------------------------------------------------------------
>
> Key: SOLR-951
> URL: https://issues.apache.org/jira/browse/SOLR-951
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 1.3.1
> Reporter: Jayson Minard
> Priority: Critical
>
> Running this query:
> {code}
> http://testserver:8985/solr/select/?q=*%3A*&version=2.2&start=0&rows=10&indent=on&facet=true&;
> facet.field={!ex=t1}SubjectTerms_mfacet&fq={!tag=t1}SubjectTerms_mfacet:(testvalue)&
> shards=test1:8985/solr,test2:8985/solr
> {code}
> causes this exception:
> {code}
> java.lang.NullPointerException
> at
> org.apache.solr.handler.component.FacetComponent.refineFacets(FacetComponent.java:330)
> at
> org.apache.solr.handler.component.FacetComponent.handleResponses(FacetComponent.java:231)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:266)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1325)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
> at org.mortbay.jetty.Server.handle(Server.java:285)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:502)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:821)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:208)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:378)
> at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
> at
> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)
> {code}
> which is at this area of the code in the aggregator, but not the root cause...
> {code}
> private void refineFacets(ResponseBuilder rb, ShardRequest sreq) {
> FacetInfo fi = rb._facetInfo;
> for (ShardResponse srsp: sreq.responses) {
> // int shardNum = rb.getShardNum(srsp.shard);
> NamedList facet_counts =
> (NamedList)srsp.getSolrResponse().getResponse().get("facet_counts");
> NamedList facet_fields = (NamedList)facet_counts.get("facet_fields");
>
> for (int i=0; i<facet_fields.size(); i++) { // !!!!!!!!!!!!!!!!!
> EXCEPTION LINE 330 !!!!!!!!!!!!!!!!!!!!
> String key = facet_fields.getName(i);
> DistribFieldFacet dff = (DistribFieldFacet)fi.facets.get(key);
> if (dff == null) continue;
> NamedList shardCounts = (NamedList)facet_fields.getVal(i);
> for (int j=0; j<shardCounts.size(); j++) {
> String name = shardCounts.getName(j);
> long count = ((Number)shardCounts.getVal(j)).longValue();
> ShardFacetCount sfc = dff.counts.get(name);
> sfc.count += count;
> }
> }
> }
> }
> {code}
> The shard actually has an error on it, which is:
> {code}
> Jan 9, 2009 6:15:31 AM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/select
> params={facet=true&f.SubjectTerms_mfacet.facet.limit=160&wt=javabin&rows=10&
> version=2.2&fl=id,score&start=0&q=*:*&
> facet.field={!ex%3Dt1}SubjectTerms_mfacet&isShard=true&fq={!tag%3Dt1}SubjectTerms_mfacet:(testvalue)&
> fsv=true} hits=0 status=0 QTime=265
> Jan 9, 2009 6:15:31 AM org.apache.solr.common.SolrException log
> SEVERE: Exception during facet
> counts:org.apache.lucene.queryParser.ParseException: Expected identifier at
> pos 37 str='{!terms=$SubjectTerms_mfacet__termsex=t1}SubjectTerms_mfacet'
> at
> org.apache.solr.search.QueryParsing$StrParser.getId(QueryParsing.java:564)
> at
> org.apache.solr.search.QueryParsing.parseLocalParams(QueryParsing.java:135)
> at
> org.apache.solr.search.QueryParsing.getLocalParams(QueryParsing.java:191)
> at
> org.apache.solr.request.SimpleFacets.parseParams(SimpleFacets.java:91)
> at
> org.apache.solr.request.SimpleFacets.getFacetFieldCounts(SimpleFacets.java:275)
> at
> org.apache.solr.request.SimpleFacets.getFacetCounts(SimpleFacets.java:170)
> at
> org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:71)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:171)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1325)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1089)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
> at org.mortbay.jetty.Server.handle(Server.java:285)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:502)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:835)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:641)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:202)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:378)
> at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
> at
> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)
> Jan 9, 2009 6:15:31 AM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/select params={facet=true&q=*:*&
> facet.field={!terms%3D$SubjectTerms_mfacet__termsex%3Dt1}SubjectTerms_mfacet&isShard=true&
> wt=javabin&
> fq={!tag%3Dt1}SubjectTerms_mfacet:(testvalue)&
> rows=0&
> SubjectTerms_mfacet__terms=mathematical+models,mathematical+analysis&
> version=2.2} hits=0 status=0 QTime=2
> {code}
> Other related information:
> * The facet being selected is a multi-valued field
> * The facet is a dynamic field and passes a dynamic rule
> * The facet exists and the log shows the 2nd follow-on querying asking for
> shard values
> * When running a query for a single valued field it seems to work fine, only
> multi-valued fields seem to fail. Not completely verified, but a few tests
> hint at this.
> * Tried facet names that were simple such as "ISBN" and if multi-valued,
> produces same error.
> * Tried facet names with underscores to see if that was at issue, and if
> single valued, it succeeded.
> * In a non-distributed search, the tag/exclude works fine for the same facets.
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