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Posted to dev@curator.apache.org by "Marquis Wang (JIRA)" <ji...@apache.org> on 2019/01/01 00:24:00 UTC

[jira] [Created] (CURATOR-499) ZKPaths strips trailing "/" incorrectly when creating sequential nodes

Marquis Wang created CURATOR-499:
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             Summary: ZKPaths strips trailing "/" incorrectly when creating sequential nodes
                 Key: CURATOR-499
                 URL: https://issues.apache.org/jira/browse/CURATOR-499
             Project: Apache Curator
          Issue Type: Bug
            Reporter: Marquis Wang
            Assignee: Jordan Zimmerman


I think this was introduced in CURATOR-166, which changed ZKPaths to strip trailing slashes from child nodes.

This is fine in most cases: it made it so 
{code:java}
curatorFramework.create()
    .forPath("/path/to/node/", data);{code}
would create a node at {{/path/to/node}}.

However, if you want to create a sequential node:
{code:java}
curatorFramework.create()
    .withMode(CreateMode.PERSISTENT_SEQUENTIAL)
    .forPath("/path/to/node/", data);{code}

In clients after CURATOR-166 (2.7.1 and higher), this will create a node {{//path/to/node00000001}}. Before, and if you call the zookeeper cli with the same options, it would create a node {{//path/to/node/00000001}}.

This effectively makes it so you cannot use curator to create sequential nodes where the entire node name is the sequence number.



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