Index: src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitQueryParser.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitQueryParser.java	(revision 889522)
+++ src/main/java/org/apache/jackrabbit/core/query/lucene/JackrabbitQueryParser.java	(working copy)
@@ -83,6 +83,9 @@
                     rewritten.append("\\");
                 }
                 rewritten.append('~');
+            } else if (textsearch.charAt(i) == ':') {
+                // fields as known in lucene are not supported
+                rewritten.append("\\:");
             } else {
                 if (escaped) {
                     rewritten.append('\\');
Index: src/test/java/org/apache/jackrabbit/core/query/FulltextQueryTest.java
===================================================================
--- src/test/java/org/apache/jackrabbit/core/query/FulltextQueryTest.java	(revision 889522)
+++ src/test/java/org/apache/jackrabbit/core/query/FulltextQueryTest.java	(working copy)
@@ -16,7 +16,6 @@
  */
 package org.apache.jackrabbit.core.query;
 
-import java.io.IOException;
 import java.io.InputStream;
 
 import javax.jcr.Node;
@@ -26,8 +25,6 @@
 import javax.jcr.query.Query;
 import javax.jcr.query.QueryResult;
 
-import org.apache.commons.io.IOUtils;
-
 /**
  * Performs tests with the <code>CONTAINS</code> function.
  */
@@ -266,6 +263,10 @@
         executeContainsQuery("max&moritz", content, true);
     }
 
+    public void testColonInContains() throws RepositoryException {
+        executeContainsQuery("foo:bar", "foo:bar", true);
+    }
+
     /**
      * Executes a query and checks if the query matched the test node.
      *