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https://issues.apache.org/jira/browse/ZOOKEEPER-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16106137#comment-16106137
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maoling commented on ZOOKEEPER-1442:
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This uncaught exception runs so fast that we spent five years to try to catch it
> Uncaught exception handler should exit on a java.lang.Error
> -----------------------------------------------------------
>
> Key: ZOOKEEPER-1442
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1442
> Project: ZooKeeper
> Issue Type: Bug
> Components: java client, server
> Affects Versions: 3.4.3, 3.3.5
> Reporter: Jeremy Stribling
> Assignee: Jeremy Stribling
> Priority: Minor
> Attachments: ZOOKEEPER-1442.patch, ZOOKEEPER-1442.patch,
> ZOOKEEPER-1442.patch
>
>
> The uncaught exception handler registered in NIOServerCnxnFactory and
> ClientCnxn simply logs exceptions and lets the rest of ZooKeeper go on its
> merry way. However, errors such as OutOfMemoryErrors should really crash the
> program, as they represent unrecoverable errors. If the exception that gets
> to the uncaught exception handler is an instanceof a java.lang.Error, ZK
> should exit with an error code (in addition to logging the error).
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