diff --git a/hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java b/hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java
index 0724d61..d5ee5af 100644
--- a/hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java
+++ b/hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java
@@ -238,7 +238,7 @@
               break;
             case CHAINED:
             default:
-              throw new IOException("not implemented" + pipeline.getType());
+              throw new IOException("not implemented " + pipeline.getType());
             }
             client.connect();
             return client;
diff --git a/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/client/ReplicationConfig.java b/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/client/ReplicationConfig.java
index 6135883..5d2fa9b 100644
--- a/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/client/ReplicationConfig.java
+++ b/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/client/ReplicationConfig.java
@@ -195,7 +195,7 @@
       replicationConfig = new ECReplicationConfig(replication);
       break;
     default:
-      throw new RuntimeException("Replication type" + type + " can not"
+      throw new RuntimeException("Replication type " + type + " can not "
           + "be parsed.");
     }