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https://issues.apache.org/jira/browse/ZOOKEEPER-1633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13567537#comment-13567537
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Hadoop QA commented on ZOOKEEPER-1633:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12567326/ZOOKEEPER-1633.patch
against trunk revision 1438375.
+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 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
-1 release audit. The applied patch generated 26 release audit warnings
(more than the trunk's current 24 warnings).
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1372//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1372//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1372//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1372//console
This message is automatically generated.
> Introduce a protocol version to connection initiation message
> -------------------------------------------------------------
>
> Key: ZOOKEEPER-1633
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1633
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Reporter: Alexander Shraer
> Assignee: Alexander Shraer
> Fix For: 3.4.6
>
> Attachments: ZOOKEEPER-1633.patch
>
>
> Currently the first message a server sends to another server includes just
> one field - the server's id (long). This is in QuorumCnxManager.java. This
> makes changes to the information passed during this initial connection very
> difficult. This patch will change the first field of the message to be a
> protocol version (a negative number that can't be a server id). The second
> field will be the server id. The third field is number of bytes in the
> remainder of the message. A 3.4 server will read the first field as before,
> but if this is a negative number it will read the second field to find the
> server id, and then remove the remainder of the message from the stream. This
> will not affect 3.4 since 3.4 and earlier servers send just the server id (so
> the code in the patch will not run unless there is a server > 3.4 trying to
> connect). This will, however, provide the necessary flexibility for future
> releases as well as an upgrade path from 3.4
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