JAVA-680: Fixing a regression introduced in the previous commit for this issue. In the case where the driver

jyemin · jyemin · commit af8066db002f · 2012-10-27T16:09:54.000-04:00
is not connected to a replica set, like in mongos HA, still may need to ensure there is a master
diff --git a/src/main/com/mongodb/DBTCPConnector.java b/src/main/com/mongodb/DBTCPConnector.java
@@ -272,7 +272,8 @@ private Response innerCall(final DB db, final DBCollection coll, final OutMessag
         boolean secondaryOk = !(readPref == ReadPreference.primary());
 
         _checkClosed();
-        if (!secondaryOk)
+        // Don't check master on secondary reads unless connected to a replica set
+        if (!secondaryOk || getReplicaSetStatus() == null)
             checkMaster( false, !secondaryOk );
 
         final MyPort mp = _myPort.get();
