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https://issues.apache.org/jira/browse/ZOOKEEPER-1462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267113#comment-13267113
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Hadoop QA commented on ZOOKEEPER-1462:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12525378/ZOOKEEPER-1462.patch
against trunk revision 1331246.
+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 does not increase the total number of
release audit 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/1059//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1059//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1059//console
This message is automatically generated.
> Read-only server does not initialize database properly
> ------------------------------------------------------
>
> Key: ZOOKEEPER-1462
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1462
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Priority: Critical
> Fix For: 3.4.3
>
> Attachments: ZOOKEEPER-1462.patch
>
>
> Brief Description:
> When a participant or observer get partitioned and restart as Read-only
> server. ZkDb doesn't get reinitialized. This causes the RO server to drop any
> incoming request with zxid > 0
> Error message:
> Refusing session request for client /xx.xx.xx.xx:39875
> as it has seen zxid 0x2e00405fd9 our last zxid is 0x0 client must try another
> server
> Steps to reproduce:
> Start an RO-enabled observer connecting to an ensemble. Kill the ensemble and
> wait until the observer restart in RO mode. Zxid of this observer should be 0.
> Description:
> Before a server transition into LOOKING state, its database get closed as
> part of shutdown sequence. The database of leader, follower and observer get
> initialized as a side effect of participating in leader election protocol.
> (eg. observer will call registerWithLeader() and call getLastLoggedZxid()
> which initialize the db if not already).
> However, RO server does not participate in this protocol so its DB doesn't
> get initialized properly
>
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