[jira] [Commented] (OAK-421) NodeBuilder.reset might lead to inconsistent builder

["Michael Dürig (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489786#comment-13489786 ] 

Michael Dürig commented on OAK-421:
-----------------------------------

The reason seems to be that {{MemoryNodeBuilder.reset}} just increments the root revision. When this revision collides with that of another builder, the latter will not update its state on next access. 
                
> NodeBuilder.reset might lead to inconsistent builder
> ----------------------------------------------------
>
>                 Key: OAK-421
>                 URL: https://issues.apache.org/jira/browse/OAK-421
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core
>            Reporter: Michael Dürig
>
> The following test fails:
> {code}
> NodeBuilder root = new MemoryNodeBuilder(BASE);
> NodeBuilder x = root.child("x");
> NodeBuilder y = x.child("y");
> root.reset(BASE);
> assertTrue(root.hasChildNode("x"));
> assertFalse(x.hasChildNode("y"));  // fails
> {code}

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