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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2901) Session ID that is negative causes mis-calculation of Ephemeral Type
Date Fri, 22 Sep 2017 22:52:01 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177292#comment-16177292
] 

ASF GitHub Bot commented on ZOOKEEPER-2901:
-------------------------------------------

Github user phunt commented on the issue:

    https://github.com/apache/zookeeper/pull/377
  
    The zoo_sample.cfg file should also be updated as part of this patch. It should include
the option, and IMO it should have ttl turned on by default (similar warning wrt id as comment
in the file?)


> Session ID that is negative causes mis-calculation of Ephemeral Type
> --------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2901
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2901
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.5.3
>         Environment: Running 3.5.3-beta in Docker container
>            Reporter: Mark Johnson
>            Assignee: Jordan Zimmerman
>            Priority: Blocker
>
> In the code that determines the EphemeralType it is looking at the owner (which is the
client ID or connection ID):
> EphemeralType.java:
>    public static EphemeralType get(long ephemeralOwner) {
>        if (ephemeralOwner == CONTAINER_EPHEMERAL_OWNER) {
>            return CONTAINER;
>        }
>        if (ephemeralOwner < 0) {
>            return TTL;
>        }
>        return (ephemeralOwner == 0) ? VOID : NORMAL;
>    }
> However my connection ID is:
> header.getClientId(): -720548323429908480
> This causes the code to think this is a TTL Ephemeral node instead of a
> NORMAL Ephemeral node.
> This also explains why this is random - if my client ID is non-negative
> then the node gets added correctly.



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