[jira] Commented: (ZOOKEEPER-272) getChildren can fail for large numbers of children

["Benjamin Reed (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663418#action_12663418 ] 

Benjamin Reed commented on ZOOKEEPER-272:
-----------------------------------------

I think there are two stages to fixing this problem. First we should make that line of code use BinaryInputArchive.maxBuffer, so that it can be configured. Then we should probably add a version of getChildren that takes and returns an offset, so that getChildren could be called multiple times to get all of the children.

> getChildren can fail for large numbers of children
> --------------------------------------------------
>
>                 Key: ZOOKEEPER-272
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-272
>             Project: Zookeeper
>          Issue Type: Bug
>            Reporter: Joshua Tuberville
>
> Zookeeper allows creation of an abritrary number of children, yet if the String array of children names exceeds 4,194,304 bytes a getChildren will fail because ClientCnxn$SendThread.readLength() throws an exception on line 490.  Mahadev Konar questioned this byte limit's need.  In any case consistency of create children, get children should exist.

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