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https://issues.apache.org/jira/browse/FLINK-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071315#comment-16071315
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ASF GitHub Bot commented on FLINK-6522:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/4204#discussion_r125164898
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/highavailability/zookeeper/ZooKeeperHaServices.java
---
@@ -113,6 +117,7 @@ public ZooKeeperHaServices(
this.runningJobsRegistry = new
ZooKeeperRunningJobsRegistry(client, configuration);
this.blobStoreService = checkNotNull(blobStoreService);
+ this.stateStorage = null;
--- End diff --
let's eagerly initialize this field
> Add ZooKeeper cleanup logic to ZooKeeperHaServices
> --------------------------------------------------
>
> Key: FLINK-6522
> URL: https://issues.apache.org/jira/browse/FLINK-6522
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.3.0, 1.4.0
> Reporter: Till Rohrmann
> Assignee: Fang Yong
>
> The {{ZooKeeperHaServices}} provide a {{CuratorFramework}} client to access
> ZooKeeper data. Consequently, all data (also for different job) are stored
> under the same root node. When
> {{HighAvailabilityServices#closeAndCleanupAllData}} is called, then this data
> should be cleaned up. This cleanup logic is currently missing.
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