PIG-5035: killJob API does not work in Tez (zjffdu via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1762933 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/CHANGES.txt b/CHANGES.txt
index 7b47182..e7d6c0f 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -46,6 +46,8 @@
  
 BUG FIXES
 
+PIG-5035: killJob API does not work in Tez (zjffdu via rohini)
+
 PIG-5032: Output record stats in Tez is wrong when there is split followed by union (rohini)
 
 PIG-5031: Tez failing to compile when replicate join is done with a limit vertex on left (knoguchi)
diff --git a/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java b/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java
index adb3486..f71ded3 100644
--- a/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java
+++ b/src/org/apache/pig/backend/hadoop/executionengine/tez/TezLauncher.java
@@ -519,7 +519,7 @@
 
     @Override
     public void killJob(String jobID, Configuration conf) throws BackendException {
-        if (runningJob != null && runningJob.getApplicationId().toString() == jobID) {
+        if (runningJob != null && runningJob.getApplicationId().toString().equals(jobID)) {
             try {
                 runningJob.killJob();
             } catch (Exception e) {