Index: oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java	(date 1421923102000)
+++ oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/LucenePropertyIndex.java	(revision )
@@ -840,15 +840,7 @@
                 BooleanQuery q = new BooleanQuery();
                 for (FullTextExpression e : and.list) {
                     Query x = getFullTextQuery(plan, e, analyzer);
-                    // Lucene can't deal with "must(must_not(x))"
-                    if (x instanceof BooleanQuery) {
-                        BooleanQuery bq = (BooleanQuery) x;
-                        for (BooleanClause c : bq.clauses()) {
-                            q.add(c);
-                        }
-                    } else {
-                        q.add(x, MUST);
+                    q.add(x, MUST);
-                    }
                 }
                 result.set(q);
                 return true;