TEZ-4041. TestExtServicesWithLocalMode fails in docker (Jonathan Eagles via kshukla)
diff --git a/tez-ext-service-tests/src/test/java/org/apache/tez/dag/app/taskcomm/TezTestServiceTaskCommunicatorImpl.java b/tez-ext-service-tests/src/test/java/org/apache/tez/dag/app/taskcomm/TezTestServiceTaskCommunicatorImpl.java
index 732c81a..377217b 100644
--- a/tez-ext-service-tests/src/test/java/org/apache/tez/dag/app/taskcomm/TezTestServiceTaskCommunicatorImpl.java
+++ b/tez-ext-service-tests/src/test/java/org/apache/tez/dag/app/taskcomm/TezTestServiceTaskCommunicatorImpl.java
@@ -61,8 +61,7 @@
 
     SubmitWorkRequestProto.Builder baseBuilder = SubmitWorkRequestProto.newBuilder();
 
-    // TODO Avoid reading this from the environment
-    baseBuilder.setUser(System.getenv(ApplicationConstants.Environment.USER.name()));
+    baseBuilder.setUser(System.getProperty("user.name"));
     baseBuilder.setApplicationIdString(
         taskCommunicatorContext.getApplicationAttemptId().getApplicationId().toString());
     baseBuilder