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From Yuhao <nfsvi...@yahoo.com>
Subject Re: SOLVED: Strange things happen when I query with many facet.prefixes and fq filters
Date Mon, 30 Jan 2012 19:55:21 GMT
Good question.  I checked the output sent to Jetty.  In the case where it returns a blank
page, nothing at all is sent to Jetty.  This raised my suspicion that Solr never got a chance
to process the query.  Sure enough, it led me to the finding that Jetty by default cannot
take more than 4 KB of header.  After I increased that limit, everything works.
Problem solved.




________________________________
 From: Erick Erickson <erickerickson@gmail.com>
To: solr-user@lucene.apache.org; Yuhao <nfsviper@yahoo.com> 
Sent: Sunday, January 29, 2012 1:05 PM
Subject: Re: Strange things happen when I query with many facet.prefixes and fq filters
 
The very first question I have is "what do your Solr logs show"? I suspect
you'll see something interesting there. Otherwise, there's no way really to
say what's going on here without reproducing your setup...

Best
Erick

On Fri, Jan 27, 2012 at 6:48 PM, Yuhao <nfsviper@yahoo.com> wrote:
> Hi,
>
> I'm having issues when running the following query, which is produced by expanding several
hierarchical facets (implemented the facet.prefix way).  I realize it's pretty massive, but
I'd like to figure out what exactly is causing the problem.  Is it too many facet.prefix
clauses, too many fq filters, the combo of both, or what.  Anyway, here is the URL I start
out
>  with:
>
> http://40.163.5.153:920/solr/browse?&fq=Gene_Ontology_Associations%3A%220%2Fbiological_process%28GO%3A0008150%29%22&fq=Gene_Ontology_Associations%3A%221%2Fbiological_process%28GO%3A0008150%29%3Bmetabolic+process%28GO%3A0008152%29%22&fq=Gene_Ontology_Associations%3A%222%2Fbiological_process%28GO%3A0008150%29%3Bmetabolic+process%28GO%3A0008152%29%3Bsteroid+metabolic+process%28GO%3A0008202%29%22&fq=Gene_Ontology_Associations%3A%223%2Fbiological_process%28GO%3A0008150%29%3Bmetabolic+process%28GO%3A0008152%29%3Bsteroid+metabolic+process%28GO%3A0008202%29%3Bcholesterol+metabolic+process%28GO%3A0008203%29%22&fq=Mouse_Phenotype_Associations%3A%220%2Fmammalian+phenotype%28MP%3A0000001%29%22&fq=Mouse_Phenotype_Associations%3A%221%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%22&fq=Mouse_Phenotype_Associations%3A%222%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fme
> tabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%22&fq=Mouse_Phenotype_Associations%3A%223%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%22&fq=Mouse_Phenotype_Associations%3A%224%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%3Babnormal+cholesterol+homeostasis%28MP%3A0005278%29%22&fq=Mouse_Phenotype_Associations%3A%225%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%3Babnormal+cholesterol+homeostasis%28MP%3A0005278%29%3Babnormal+cholesterol+level%28MP%3A0003947%29%22&fq=Mouse_Phenotype_Associations%3A%226%2Fm
> ammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%3Babnormal+cholesterol+homeostasis%28MP%3A0005278%29%3Babnormal+cholesterol+level%28MP%3A0003947%29%3Bdecreased+cholesterol+level%28MP%3A0003983%29%22&fq=Mouse_Phenotype_Associations%3A%227%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%3Babnormal+cholesterol+homeostasis%28MP%3A0005278%29%3Babnormal+cholesterol+level%28MP%3A0003947%29%3Bdecreased+cholesterol+level%28MP%3A0003983%29%3Bdecreased+liver+cholesterol+level%28MP%3A0010026%29%22&fq=BKL_Diagnostic_Marker_Associations%3A%220%2FCardiovascular+Diseases%28MESH%3AD002318%29%22&fq=BKL_Molecular_Mechanism_Associations%3A%220%2FCardiovascular+Diseases%28MESH%3AD002318%29%22&fq=
> BKL_Diagnostic_Marker_Associations%3A%221%2FCardiovascular+Diseases%28MESH%3AD002318%29%3BArteriosclerosis%28MESH%3AD001161%29%22&q=&fq=BKL_Diagnostic_Marker_Associations:%222%2FCardiovascular+Diseases%28MESH%3AD002318%29%3BArteriosclerosis%28MESH%3AD001161%29%3BAtherosclerosis%28MESH%3AD050197%29%22&f.Gene_Ontology_Associations.facet.prefix=4%2Fbiological_process%28GO%3A0008150%29%3Bmetabolic+process%28GO%3A0008152%29%3Bsteroid+metabolic+process%28GO%3A0008202%29%3Bcholesterol+metabolic+process%28GO%3A0008203%29&f.Mouse_Phenotype_Associations.facet.prefix=8%2Fmammalian+phenotype%28MP%3A0000001%29%3Bhomeostasis%2Fmetabolism+phenotype%28MP%3A0005376%29%3Babnormal+homeostasis%28MP%3A0001764%29%3Babnormal+lipid+homeostasis%28MP%3A0002118%29%3Babnormal+cholesterol+homeostasis%28MP%3A0005278%29%3Babnormal+cholesterol+level%28MP%3A0003947%29%3Bdecreased+cholesterol+level%28MP%3A0003983%29%3Bdecreased+liver+cholesterol+level%28MP%3A0010026%29&a
> mp;f.BKL_Molecular_Mechanism_Associations.facet.prefix=1%2FCardiovascular+Diseases%28MESH%3AD002318%29
>
> The above works fine.  It's basically a bunch of fq= and facet.prefix= parameters. 
However, if I add another parameter, shown below, then I will instantly get a totally blank
page, and I can't get it to load anything no matter what.  (the parameter itself is fine
since it works by itself or with fewer parameters)
>
> &f.BKL_Diagnostic_Marker_Associations.facet.prefix=3%2FCardiovascular+Diseases(MESH%3AD002318)%3BArteriosclerosis(MESH%3AD001161)%3BAtherosclerosis(MESH%3AD050197)
>
> Here's another interesting thing: if I just add the parameter field without any value,
as in "&f.BKL_Diagnostic_Marker_Associations.facet.prefix=", then I will get a page of
the result, but without any CSS rendering.
>
> Please advise what may be going on here.  Is my query simply too big?  Does Solr have
a limit?  Did I break the limit?
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