SERVER-13177 mongooplog - Checking return value of connect. Proceed only if connected.

Closes #715

Signed-off-by: Benety Goh <benety@mongodb.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/mongo/tools/oplog.cpp b/src/mongo/tools/oplog.cpp
index a4bffb75135..edec0080ba0 100644
--- a/src/mongo/tools/oplog.cpp
+++ b/src/mongo/tools/oplog.cpp
@@ -55,7 +55,14 @@ public:
         
         repl::OplogReader r;
         r.setTailingQueryOptions( QueryOption_SlaveOk | QueryOption_AwaitData );
-        r.connect(mongoOplogGlobalParams.from);
+
+        bool connected = r.connect(mongoOplogGlobalParams.from);
+
+        if (!connected)
+        {
+            toolInfoLog() << "unable to connect to " << mongoOplogGlobalParams.from << std::endl;
+            return -1;
+        }
 
         toolInfoLog() << "connected" << std::endl;