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https://issues.apache.org/jira/browse/ZOOKEEPER-510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763754#action_12763754
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Mahadev konar commented on ZOOKEEPER-510:
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great... missed it... my bad...
> zkpython lumps all exceptions as IOError, needs specialized exceptions for
> KeeperException types
> ------------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-510
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-510
> Project: Zookeeper
> Issue Type: Bug
> Components: contrib-bindings
> Affects Versions: 3.2.0
> Reporter: Patrick Hunt
> Assignee: Henry Robinson
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-510.patch, ZOOKEEPER-510.patch,
> ZOOKEEPER-510.patch, ZOOKEEPER-510.patch
>
>
> The current zkpython bindings always throw "IOError("text")" exceptions, even
> for ZK specific exceptions such as NODEEXISTS. This makes it difficult (error
> prone) to handle exceptions in python code. You can't easily pickup a
> connection loss vs a node exists for example. Of course you could match the
> error string, but this seems like a bad idea imo.
> We need to add specific exception types to the python binding that map
> directly to KeeperException/java types. It would also be useful to include
> the information provided by the KeeperException (like path in some cases),
> etc... as part of the error thrown to the python code. Would probably be a
> good idea to stay as close to java api as possible wrt mapping the errors.
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