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https://issues.apache.org/jira/browse/ZOOKEEPER-2511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15418090#comment-15418090
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Abraham Fine commented on ZOOKEEPER-2511:
-----------------------------------------
Simply adding "implements AutoCloseable" adds a compiler warning:
ZooKeeper.java:132: warning: [try] auto-closeable resource ZooKeeper has a
member method close() that could throw InterruptedException Which is referenced
here:
http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html#close()
So basically, in classes that implement AutoCloseable, you can't throw
InterruptedException from close(). The fun thing is, we don't actually need
that "throws InterruptedException" (nothing in the method throws an exception,
everything is caught lower in the stack). So I imagine it is kept there for API
compatibility purposes. So my solution was to add a @SuppressWarnings("try")
and a comment.
> Implement AutoCloseable in ZooKeeper.java
> -----------------------------------------
>
> Key: ZOOKEEPER-2511
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2511
> Project: ZooKeeper
> Issue Type: Improvement
> Reporter: Abraham Fine
> Assignee: Abraham Fine
> Attachments: ZOOKEEPER-2511.patch
>
>
> As a java developer I would like to be able to use try-with-resource blocks
> with ZooKeeper objects in order to make closing sessions easier.
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