[jira] [Commented] (ZOOKEEPER-2091) Possible logic error in ClientCnxnSocketNIO

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491225#comment-14491225 ] 

Hadoop QA commented on ZOOKEEPER-2091:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12686301/ZOOKEEPER-2091.patch
  against trunk revision 1672934.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/2625//console

This message is automatically generated.

> Possible logic error in ClientCnxnSocketNIO
> -------------------------------------------
>
>                 Key: ZOOKEEPER-2091
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2091
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.4.6
>            Reporter: Cheng
>            Assignee: Rakesh R
>             Fix For: 3.5.2, 3.6.0
>
>         Attachments: ZOOKEEPER-2091.patch
>
>
> When SASL authentication is enabled, the ZooKeeper client will finally call ClientCnxnSocketNIO#sendPacket(Packet p) to send a packet to server:
> @Override
> void sendPacket(Packet p) throws IOException {
>     SocketChannel sock = (SocketChannel) sockKey.channel();
>     if (sock == null) {
>         throw new IOException("Socket is null!");
>     }
>     p.createBB();
>     ByteBuffer pbb = p.bb;
>     sock.write(pbb);
> }
> One problem I can see is that the sock is non-blocking, so when the sock's output buffer is full(theoretically), only part of the Packet is sent out and the communication will break.



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