Hello,

i had the same problem. I posted it here: 
https://groups.google.com/forum/#!topic/orient-database/sqHPzi-X9A0
Enrico said that he cant find the constructor. I guess its on the todo list.

Am Donnerstag, 22. Mai 2014 18:02:32 UTC+2 schrieb Einstein:
>
> Hello everybody,
>
> im working with orientdb for a while now and I like it. So first of all: 
> Thank you :)
> I wanted to use the lucene index since it is fully integrated into 
> orientdb.
>
> I found the description how to use it here: orientdb 
> lucene<https://github.com/orientechnologies/orientdb-lucene/wiki>
> I also read in an older post here how to change the analyzer:
>
> ODocument metadata = new ODocument();
> metadata.field("analyzer", "org.apache.lucene.analysis.en.EnglishAnalyzer
> ");
>
> OrientVertexType type = graph.createVertexType("temp", null);
> type.createProperty("name", OType.STRING);
> type.createIndex(indexName, "FULLTEXT", null, metadata, "LUCENE", new 
> String[] {name});
>
> This works for the EnglishAnalyzer. The problem is that the english and 
> the standard analyzer
> of lucene does not check for an exact match.
>
> If you for example have the values:
>
>
>    - software
>    - software engineering
>    - software development
>
> and you search for 'software' you get all three results: software, 
> software engineering and software development.
>
> So i wanted to change the analyzer to KeywordAnalyzer.
>
> ODocument metadata = new ODocument();
> metadata.field("analyzer", "
> org.apache.lucene.analysis.core.KeywordAnalyzer");
>
> OrientVertexType type = graph.createVertexType("temp", null);
> type.createProperty("name", OType.STRING);
> type.createIndex(indexName, "FULLTEXT", null, metadata, "LUCENE", new 
> String[] {name});
>
> But when i do that, i get the following error:
>
> java.lang.NoSuchMethodException: 
> org.apache.lucene.analysis.core.KeywordAnalyzer.<init>(org.apache.lucene.util.Version)
> at java.lang.Class.getConstructor0(Class.java:2730)
> at java.lang.Class.getConstructor(Class.java:1676)
> at 
> com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.getAnalyzer(OLuceneIndexManagerAbstract.java:326)
> at 
> com.orientechnologies.lucene.manager.OLuceneFullTextIndexManager.createIndexWriter(OLuceneFullTextIndexManager.java:53)
> at 
> com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.reOpen(OLuceneIndexManagerAbstract.java:126)
> at 
> com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.initIndex(OLuceneIndexManagerAbstract.java:114)
> at 
> com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.createIndex(OLuceneIndexManagerAbstract.java:99)
> at 
> com.orientechnologies.lucene.OLuceneIndexEngine.create(OLuceneIndexEngine.java:60)
> at 
> com.orientechnologies.orient.core.index.OIndexAbstract.create(OIndexAbstract.java:219)
> at 
> com.orientechnologies.orient.core.index.OIndexMultiValues.create(OIndexMultiValues.java:235)
> at 
> com.orientechnologies.lucene.index.OLuceneFullTextIndex.create(OLuceneFullTextIndex.java:45)
> at 
> com.orientechnologies.lucene.index.OLuceneFullTextIndex.create(OLuceneFullTextIndex.java:32)
> at 
> com.orientechnologies.orient.core.index.OIndexManagerShared.createIndex(OIndexManagerShared.java:143)
> at 
> com.orientechnologies.orient.core.index.OIndexManagerProxy.createIndex(OIndexManagerProxy.java:75)
> at 
> com.orientechnologies.orient.core.metadata.schema.OClassImpl.createIndex(OClassImpl.java:1154)
> at 
> com.orientechnologies.orient.core.metadata.schema.OClassAbstractDelegate.createIndex(OClassAbstractDelegate.java:291)
>
> Is there a method or a constructor or something missing for the 
> KeywordAnalyzer?
> How can i fix this problem?
>

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