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https://issues.apache.org/jira/browse/ACCUMULO-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029569#comment-14029569
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Bill Havanki commented on ACCUMULO-2898:
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It looks like this problem also exists for access to {{cache}}, which is
accessed from a Runnable in the same way.
> Lack of synchronization for childrenCache in ZooCache#getChildren()
> -------------------------------------------------------------------
>
> Key: ACCUMULO-2898
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2898
> Project: Accumulo
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> For run() method:
> {code}
> public void run(ZooKeeper zooKeeper) throws KeeperException,
> InterruptedException {
> if (childrenCache.containsKey(zPath))
> return;
> try {
> List<String> children = zooKeeper.getChildren(zPath, watcher);
> childrenCache.put(zPath, children);
> {code}
> access to childrenCache isn't protected by ZooCache.this
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