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Posted to dev@zookeeper.apache.org by "Patrick Hunt (JIRA)" <ji...@apache.org> on 2009/10/13 06:11:31 UTC

[jira] Created: (ZOOKEEPER-551) unnecessary SetWatches message on new session

unnecessary SetWatches message on new session
---------------------------------------------

                 Key: ZOOKEEPER-551
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
             Project: Zookeeper
          Issue Type: Bug
          Components: c client, java client
    Affects Versions: 3.2.1
            Reporter: Patrick Hunt
            Priority: Minor
             Fix For: 3.3.0


The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
even in the case of re-establishing session, however no watches are set. The code should check for watches before
sending this (ie don't send empty setwatches). I see this on java, investigate c as well.


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[jira] Updated: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Flavio Paiva Junqueira (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flavio Paiva Junqueira updated ZOOKEEPER-551:
---------------------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

+1. I just committed this one, Pat. Thanks!


> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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[jira] Commented: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774483#action_12774483 ] 

Hadoop QA commented on ZOOKEEPER-551:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12424236/ZOOKEEPER-551.patch
  against trunk revision 833559.

    +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 tests are needed for 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 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: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/54/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/54/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h8.grid.sp2.yahoo.net/54/console

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> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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[jira] Commented: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774864#action_12774864 ] 

Hudson commented on ZOOKEEPER-551:
----------------------------------

Integrated in ZooKeeper-trunk #528 (See [http://hudson.zones.apache.org/hudson/job/ZooKeeper-trunk/528/])
    

> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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[jira] Updated: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Hunt updated ZOOKEEPER-551:
-----------------------------------

    Assignee: Patrick Hunt
      Status: Patch Available  (was: Open)

> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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[jira] Commented: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Flavio Paiva Junqueira (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774891#action_12774891 ] 

Flavio Paiva Junqueira commented on ZOOKEEPER-551:
--------------------------------------------------

Committed revision 833932

> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Assignee: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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[jira] Updated: (ZOOKEEPER-551) unnecessary SetWatches message on new session

Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ZOOKEEPER-551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Hunt updated ZOOKEEPER-551:
-----------------------------------

    Attachment: ZOOKEEPER-551.patch

This patch changes the c/java code to not send setwatches message if there are no pending watches.

I don't see how to neg test this - we are already verifying the positive cases so failure for hadoopqa should be expected but I think that's ok.


> unnecessary SetWatches message on new session
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-551
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-551
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, java client
>    Affects Versions: 3.2.1
>            Reporter: Patrick Hunt
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: ZOOKEEPER-551.patch
>
>
> The java client is sending a SetWatches message even on a new session (always empty). Additionally SetWatches is called
> even in the case of re-establishing session, however no watches are set. The code should check for watches before
> sending this (ie don't send empty setwatches). I see this on java, investigate c as well.

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