Index: oak-run-commons/src/main/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProvider.java
===================================================================
--- oak-run-commons/src/main/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProvider.java	(revision 1879323)
+++ oak-run-commons/src/main/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProvider.java	(working copy)
@@ -109,7 +109,7 @@
             MongoConnection mongo = new MongoConnection(uri.getURI());
             wb.register(MongoConnection.class, mongo, emptyMap());
             closer.register(mongo::close);
-            ((MongoDocumentNodeStoreBuilder) builder).setMongoDB(mongo.getDB());
+            ((MongoDocumentNodeStoreBuilder) builder).setMongoDB(uri.getURI(), mongo.getDB().getName(), 16);
             dns = builder.build();
             wb.register(MongoDocumentStore.class, (MongoDocumentStore) builder.getDocumentStore(), emptyMap());
         } else if (commonOpts.isRDB()) {
Index: oak-run-commons/src/test/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProviderTest.java
===================================================================
--- oak-run-commons/src/test/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProviderTest.java	(revision 1879326)
+++ oak-run-commons/src/test/java/org/apache/jackrabbit/oak/run/cli/DocumentFixtureProviderTest.java	(working copy)
@@ -34,7 +34,6 @@
 import org.apache.jackrabbit.oak.spi.whiteboard.DefaultWhiteboard;
 import org.apache.jackrabbit.oak.spi.whiteboard.Whiteboard;
 import org.apache.jackrabbit.oak.stats.StatisticsProvider;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import joptsimple.OptionParser;
@@ -43,7 +42,6 @@
 import static org.junit.Assert.fail;
 import static org.junit.Assume.assumeTrue;
 
-@Ignore("OAK-9125")
 public class DocumentFixtureProviderTest {
 
     @Test