diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
index 4eb3ebf..019ac41 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/context/IHyracksTaskContext.java
@@ -43,7 +43,7 @@
 
     public void sendApplicationMessageToCC(Serializable message, DeploymentId deploymentId) throws Exception;
 
-    public void sendApplicationMessageToCC(byte[] message, DeploymentId deploymendId) throws Exception;
+    public void sendApplicationMessageToCC(byte[] message, DeploymentId deploymentId) throws Exception;
 
     public void setSharedObject(Object object);
 
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
index ecc37e8..e589ece 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
@@ -53,7 +53,7 @@
             if (ctx.getMessageBroker() != null) {
                 ctx.getMessageBroker().receivedMessage(data, nodeId);
             } else {
-                LOGGER.log(Level.WARNING, "Messsage was sent, but no Message Broker set!");
+                LOGGER.log(Level.WARNING, "Message was sent, but no Message Broker set!");
             }
         } catch (Exception e) {
             Logger.getLogger(this.getClass().getName()).log(Level.WARNING, "Error in application message delivery!", e);
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
index b585199..98f2097 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/StartTasksWork.java
@@ -133,7 +133,7 @@
                         createInputChannels(td, inputs));
                 IOperatorNodePushable operator = han.createPushRuntime(task, rdp, partition, td.getPartitionCount());
 
-                List<IPartitionCollector> collectors = new ArrayList<IPartitionCollector>();
+                List<IPartitionCollector> collectors = new ArrayList<>();
 
                 if (inputs != null) {
                     for (int i = 0; i < inputs.size(); ++i) {