[samza] branch master updated: SAMZA-2423: Heartbeat failure causes incorrect container shutdown (#1240)

[bharathkk]

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bharathkk pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/samza.git


The following commit(s) were added to refs/heads/master by this push:
     new 08ee3a3  SAMZA-2423: Heartbeat failure causes incorrect container 
shutdown (#1240)
08ee3a3 is described below

commit 08ee3a338bbebcf3715b7f48dcfd61ecc5ab69ae
Author: Abhishek Shivanna <ashiva...@linkedin.com>
AuthorDate: Fri Dec 20 14:35:07 2019 -0800

    SAMZA-2423: Heartbeat failure causes incorrect container shutdown (#1240)
    
    Populate container exception from the listener only if it is null
---
 .../main/java/org/apache/samza/runtime/ContainerLaunchUtil.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git 
a/samza-core/src/main/java/org/apache/samza/runtime/ContainerLaunchUtil.java 
b/samza-core/src/main/java/org/apache/samza/runtime/ContainerLaunchUtil.java
index 47f7398..54cb298 100644
--- a/samza-core/src/main/java/org/apache/samza/runtime/ContainerLaunchUtil.java
+++ b/samza-core/src/main/java/org/apache/samza/runtime/ContainerLaunchUtil.java
@@ -142,7 +142,12 @@ public class ContainerLaunchUtil {
         heartbeatMonitor.stop();
       }
 
-      containerRunnerException = listener.getContainerException();
+      // Check to see if the HeartbeatMonitor has set an exception before
+      // overriding the value with what the listener returns
+      if (containerRunnerException == null) {
+        containerRunnerException = listener.getContainerException();
+      }
+
       if (containerRunnerException != null) {
         log.error("Container stopped with Exception. Exiting process now.", 
containerRunnerException);
         System.exit(1);