What value is your uuid in that case? is it probably null or empty?
Can we see the final query string?
Am 07.10.2011 um 20:25 schrieb dieter_f...@gmx.net:
> Hi everybody,
>
> I want to query the Index with the Method query(String). Therefore, I build
> my query and execute the method:
>
> StringBuffer query = new StringBuffer();
> ...
> query.append(" AND ");
> query.append("UUID:");
> query.append("MUST_NOT ");
> query.append("\"" + uuid + "\"");
>
> IndexHits<Node> hits = nodeIndex.query(query.toString());
>
> This leads to the following Exception:
>
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.lucene.util.SimpleStringInterner.intern(SimpleStringInterner.java:54)
> at org.apache.lucene.util.StringHelper.intern(StringHelper.java:36)
> at org.apache.lucene.index.Term.<init>(Term.java:38)
> at
> org.apache.lucene.queryParser.QueryParser.getFieldQuery(QueryParser.java:643)
> at
> org.apache.lucene.queryParser.QueryParser.getFieldQuery(QueryParser.java:752)
> at org.apache.lucene.queryParser.QueryParser.Term(QueryParser.java:1556)
> at
> org.apache.lucene.queryParser.QueryParser.Clause(QueryParser.java:1309)
> at
> org.apache.lucene.queryParser.QueryParser.Query(QueryParser.java:1266)
> at
> org.apache.lucene.queryParser.QueryParser.TopLevelQuery(QueryParser.java:1226)
> at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:206)
> at org.neo4j.index.impl.lucene.IndexType.query(IndexType.java:281)
> at org.neo4j.index.impl.lucene.LuceneIndex.query(LuceneIndex.java:207)
> at org.neo4j.index.impl.lucene.LuceneIndex.query(LuceneIndex.java:218)
> at testdata.ReadTestData.listInformation(ReadTestData.java:112)
> at testdata.ReadTestData.main(ReadTestData.java:153)
>
> The syntax of the build query is correct - at least it executes in Luke
> (https://code.google.com/p/luke/) without complaining.
>
> Am I doing something wrong or did I miss something?
>
> Cheers,
>
> Didi
> --
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