examine whitespaceanalyzer issue

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Ismail Mayat 4511 posts 10091 karma points MVP 2x admin c-trib

Aug 17, 2010 @ 17:53
0

Examine whitespaceanalyzer issue

Extending Umbraco
I have the following query being generated by examine,
```
+nodeTypeAlias:Product
```
It returns no results , however when i run luke and use above query with standard analyser instead of whitespace analyzer i get results. So i tried to update my ExamineSettings.config file from
```
 <add name="WOISearcher" type="UmbracoExamine.LuceneExamineSearcher, UmbracoExamine"
           analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net" indexSet="WOIIndexSet"/>
```
to
```
<add name="WOISearcher" type="UmbracoExamine.LuceneExamineSearcher, UmbracoExamine"
           analyzer="Lucene.Net.Analysis.StandardAnalyzer, Lucene.Net" indexSet="WOIIndexSet"/>
```
However i get error Value cannot be null error and yellow screen of death. Am I missing a trick here?

Regards

Ismail
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Aaron Powell 1708 posts 3046 karma points c-trib

Aug 18, 2010 @ 10:24

0

Are you using the same analyzer to index and search? If you use different ones it can freak out.

Have you checked out the post I did last week about understanding the indexes that are build up: http://farmcode.org/post/2010/08/12/How-to-build-a-search-query-in-Examine.aspx

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Ismail Mayat 4511 posts 10091 karma points MVP 2x admin c-trib

Aug 18, 2010 @ 10:42

Slace,

I am using same analyzers for both my config looks like

<Examine>
  <ExamineIndexProviders>
    <providers>
      <add name="InternalIndexer" type="UmbracoExamine.LuceneExamineIndexer, UmbracoExamine"
           runAsync="true"
           supportUnpublished="true"
           supportProtected="true"
           interval="10"
           analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net"/>

      <add name="WOIIndexer" type="UmbracoExamine.LuceneExamineIndexer, UmbracoExamine"
     runAsync="true"
     supportUnpublished="false"
     supportProtected="false"
     interval="10"
     analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net" indexSet="WOIIndexSet"/>

    </providers>


  </ExamineIndexProviders>
  <ExamineSearchProviders defaultProvider="InternalSearcher">
    <providers>
      <add name="InternalSearcher" type="UmbracoExamine.LuceneExamineSearcher, UmbracoExamine"
           analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net"/>

      <add name="WOISearcher" type="UmbracoExamine.LuceneExamineSearcher, UmbracoExamine"
           analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net" indexSet="WOIIndexSet"/>


    </providers>
  </ExamineSearchProviders>
</Examine>

I took a look at your blog post and my CreateSearchCriteria method did not pass in IndexTypes.Content so updated to that and now my query that outputs looks like

{ SearchIndexType: Content, LuceneQuery: +(+nodeTypeAlias:Product) +__IndexType:content }

I get no results, if i run this query in luke but using whitespace analyzer i get no results. Run the same query but this time swapped to standard analyzer i get results. Does the config allow swapping over of analyzer to Lucene.Net.Analysis.StandardAnalyzer it seems to go boom when you try.

Regards

Ismail

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Aaron Powell 1708 posts 3046 karma points c-trib

Aug 18, 2010 @ 10:53

1

What is the error you get? You should be able to swap out the analyzers, also if you don't set an analyzer you should get the StandardAnalyzer anyway.

Try changing the analyzer (or not setting one) and reindex the document(s) in question (done by save & publishing the nodes).

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Ismail Mayat 4511 posts 10091 karma points MVP 2x admin c-trib

Aug 18, 2010 @ 11:09

0

Slace,

Super high 5 you rock! Took out the analyzer attribute and as you say defaults to standard then rebuild my index all working. I love Examine I expect to have lots of fun with in future projects.

Regards

Ismail

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Puppetmupp 4 posts 25 karma points

Aug 21, 2012 @ 15:28

0

I think your standard analyzer setting should be Lucene.Net.Analysis.Standard.StandardAnalyzer, not Lucene.Net.Analysis.StandardAnalyzer (forgot the Standard after Analysis).

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