[GitHub] jihoonson commented on a change in pull request #6258: Don't let catch/finally suppress main exception in IncrementalPublishingKafkaIndexTaskRunner

[GitBox <gi...@apache.org>]

jihoonson commented on a change in pull request #6258: Don't let catch/finally suppress main exception in IncrementalPublishingKafkaIndexTaskRunner
URL: https://github.com/apache/incubator-druid/pull/6258#discussion_r213467270
 
 

 ##########
 File path: extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java
 ##########
 @@ -706,21 +727,38 @@ public void onFailure(Throwable t)
     }
     catch (Exception e) {
       // (3) catch all other exceptions thrown for the whole ingestion steps including the final publishing.
-      Futures.allAsList(publishWaitList).cancel(true);
-      Futures.allAsList(handOffWaitList).cancel(true);
-      appenderator.closeNow();
+      caughtExceptionOuter = e;
+      try {
+        Futures.allAsList(publishWaitList).cancel(true);
+        Futures.allAsList(handOffWaitList).cancel(true);
+        if (appenderator != null) {
+          appenderator.closeNow();
+        }
+      }
+      catch (Exception e2) {
+        e.addSuppressed(e2);
+      }
       throw e;
     }
     finally {
-      if (driver != null) {
-        driver.close();
+      try {
+        if (driver != null) {
+          driver.close();
+        }
+        if (chatHandlerProvider.isPresent()) {
+          chatHandlerProvider.get().unregister(task.getId());
+        }
+
+        toolbox.getDruidNodeAnnouncer().unannounce(discoveryDruidNode);
+        toolbox.getDataSegmentServerAnnouncer().unannounce();
       }
-      if (chatHandlerProvider.isPresent()) {
-        chatHandlerProvider.get().unregister(task.getId());
+      catch (Exception e) {
+        if (caughtExceptionOuter != null) {
+          caughtExceptionOuter.addSuppressed(e);
 
 Review comment:
   `throw caughtExceptionOuter`?

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