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https://issues.apache.org/jira/browse/HBASE-18441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243406#comment-16243406
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Hudson commented on HBASE-18441:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.2-IT #1010 (See
[https://builds.apache.org/job/HBase-1.2-IT/1010/])
HBASE-19205 Backport HBASE-18441 ZookeeperWatcher#interruptedException (stack:
rev eb8560cab55018236f502f25a77c69610f3c56da)
* (edit)
hbase-client/src/test/java/org/apache/hadoop/hbase/zookeeper/TestZKUtil.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperMainServer.java
* (edit)
hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java
> ZookeeperWatcher#interruptedException should throw exception
> ------------------------------------------------------------
>
> Key: HBASE-18441
> URL: https://issues.apache.org/jira/browse/HBASE-18441
> Project: HBase
> Issue Type: Bug
> Reporter: Yu Li
> Assignee: Yu Li
> Fix For: 2.0.0, 3.0.0, 1.4.0
>
> Attachments: HBASE-18441.patch, HBASE-18441.trivial.patch
>
>
> Currently Zookeeper#interruptedException will swallow the
> InterruptedException and only log, which might cause unexpected behavior,
> such as when invoking {{ZKUtil#checkExists}} and the watcher thread somehow
> interrupted, the method will return -1 which means the checked znode doesn't
> exist, while actually the znode exists.
> We could also see a TODO tag in the javadoc, which indicates we need some
> fix/improvement here:
> {code}
> /**
> * Handles InterruptedExceptions in client calls.
> * <p>
> * This may be temporary but for now this gives one place to deal with
> these.
> * <p>
> * TODO: Currently, this method does nothing.
> * Is this ever expected to happen? Do we abort or can we let it run?
> * Maybe this should be logged as WARN? It shouldn't happen?
> * <p>
> * @param ie
> */
> {code}
> Here we propose to throw a {{KeeperException$SystemErrorException}} in
> {{ZookeeperWatcher#interruptedException}}, and will add a UT case to cover
> the interruption scenario.
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