tillrohrmann commented on a change in pull request #17053:
URL: https://github.com/apache/flink/pull/17053#discussion_r700012472
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/util/ZooKeeperUtils.java
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@@ -226,9 +230,21 @@ public static CuratorFramework
startCuratorFramework(Configuration configuration
}
CuratorFramework cf = curatorFrameworkBuilder.build();
-
+ // This handler is only used to handle the error during start phase,
and should be
+ // removed after start curator success.
+ UnhandledErrorListener unhandledErrorListener =
+ (message, throwable) -> {
+ LOG.error(
+ "Exiting process for unhandled error in start
curator framework, "
+ + "error message: {}, exiting code: {}",
+ message,
+ ZOOKEEPER_FAILURE_EXIT_CODE,
+ throwable);
+ System.exit(ZOOKEEPER_FAILURE_EXIT_CODE);
+ };
+ cf.getUnhandledErrorListenable().addListener(unhandledErrorListener);
Review comment:
Yes, I meant to only register this one failure handler and remove the
listener in `leaderElectionDriver` and `leaderRetrievalDriver`.
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