Marshall Schor (JIRA | 1 May 13:22 2010
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[jira] Created: (UIMA-1775) TLP Graduation incubator tidying up

TLP Graduation incubator tidying up
-----------------------------------

                 Key: UIMA-1775
                 URL: https://issues.apache.org/jira/browse/UIMA-1775
             Project: UIMA
          Issue Type: Improvement
            Reporter: Marshall Schor
            Assignee: Marshall Schor
            Priority: Minor

* Remove from incubator reporting schedule - already done (by Jukka Zitting 4/2010)
* Update Projects in Incubation table - move to graduated
* Remove entry from right side panel on incubator website
* Tidy the project status page
* After release as non-incubator, removing current incubator releases (will still be available in
archive) and updating uima download page to reflect this.
* Verifying that confluence commit msgs are going to the right mailing list (dev@...)

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Marshall Schor (JIRA | 2 May 22:09 2010
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[jira] Created: (UIMA-1776) broken / bad links for docbook-generated sandbox docs, and PearPackagingMavenPlugin on website

broken / bad links for docbook-generated sandbox docs, and PearPackagingMavenPlugin on website
----------------------------------------------------------------------------------------------

                 Key: UIMA-1776
                 URL: https://issues.apache.org/jira/browse/UIMA-1776
             Project: UIMA
          Issue Type: Improvement
          Components: Website
    Affects Versions: 2.3
            Reporter: Marshall Schor

The links need to be updated for 2.3.0.  The PearPackagingMavenPlugin doc was moved into the main tools doc,
but the link on the website points to the 2.2.2 version of the tools doc, which doesn't have the content.

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Marshall Schor (JIRA | 2 May 22:12 2010
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[jira] Created: (UIMA-1777) generate conventional documentation for PearPackagingMavenPlugin

generate conventional documentation for PearPackagingMavenPlugin
----------------------------------------------------------------

                 Key: UIMA-1777
                 URL: https://issues.apache.org/jira/browse/UIMA-1777
             Project: UIMA
          Issue Type: Improvement
          Components: Sandbox-PearPackagingMavenPlugin
            Reporter: Marshall Schor
            Priority: Minor

The community of users of Maven plugins are used to seeing a standard organization of documentation for the
plugin.  Update this documentation to follow that convention.

Also see about getting this plugin added to the maven plugin lists in the maven project

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Marshall Schor | 3 May 05:00 2010

Re: Apache site updates for UIMA

UIMA now shows as one of the top level Apache projects on the apache pages.

The DOAP file info was resubmitted after 3 minor problems were
discovered, and the fixed version was successful in creating the UIMA
entry at http://projects.apache.org

If you see any problems with the DOAP entry, please feel free to improve
it - it's in SVN here:
http://svn.apache.org/repos/asf/uima/site/trunk/uima-website/docs/doap/uima.rdf

-Marshall Schor

On 4/30/2010 6:14 PM, Marshall Schor wrote:
> I've submitted a patch to infrastructure to update the top level Apache
> sites so they show Apache UIMA as a top level project.
>
> I've also made and submitted a DOAP file for UIMA so our project will
> show up on projects.apache.org.
>
> -Marshall
>
>
>   

Jörn Kottmann (JIRA | 3 May 10:16 2010
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[jira] Commented: (UIMA-1726) Long GC causes UIMA AS service to loose broker connection and marks the client as dead


    [
https://issues.apache.org/jira/browse/UIMA-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863262#action_12863262
] 

Jörn Kottmann commented on UIMA-1726:
-------------------------------------

The warning is now longer logged in our test system after the update to revision 937028.

> Long GC causes UIMA AS service to loose broker connection and marks the client as dead
> --------------------------------------------------------------------------------------
>
>                 Key: UIMA-1726
>                 URL: https://issues.apache.org/jira/browse/UIMA-1726
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.3AS
>
>
> When the JVMs GC takes a long time, the UIMA AS fails to validate the broker connection and proceeds to close
it as if the broker died. It seems that the long GC freezes the jvm and prevents the low level socket pinging
to work correctly. This pinging is a mechanism by which the low level AMQ code relies upon to detect a broker
failure. In this case, the broker is actually fine. The side effect of the above is that the UIMA AS service
falsely adds the client to the DoNotProcess list. This is an optimization that was recently added that
prevents wasting processing cycles while handling CASes that are known to have come from clients that had
gone away. Each CAS origin is checked against that list and if there is a match the CAS is thrown away. It
(Continue reading)

Jörn Kottmann (JIRA | 3 May 10:22 2010
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[jira] Commented: (UIMA-1658) UIMA AS worker does not respond to client initialize after failover


    [
https://issues.apache.org/jira/browse/UIMA-1658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863264#action_12863264
] 

Jörn Kottmann commented on UIMA-1658:
-------------------------------------

It seems that the same happens when the network connection to the broker is lost for a short period of time
e.g. through network maintenance. In this case the services should just try to reconnect until the broker
can be reached again.

> UIMA AS worker does not respond to client initialize after failover
> -------------------------------------------------------------------
>
>                 Key: UIMA-1658
>                 URL: https://issues.apache.org/jira/browse/UIMA-1658
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.3AS
>         Environment: Ubuntu 8.10 Server, Java 1.6 and ActiveMQ 5.3.0
>            Reporter: Jörn Kottmann
>
> A Pure Master Slave Broker is used to increase availability of the broker. 
> More information about it can be found in the activemq documentation:
> http://activemq.apache.org/pure-master-slave.html 
> In a test we simulated Master failure through killing the process with kill -9.
> Here is the log output from the worker node:
> INFO  FailoverTransport              - Successfully connected to tcp://XXX1:61616
(Continue reading)

Jörn Kottmann (JIRA | 3 May 10:22 2010
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[jira] Issue Comment Edited: (UIMA-1726) Long GC causes UIMA AS service to loose broker connection and marks the client as dead


    [
https://issues.apache.org/jira/browse/UIMA-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863262#action_12863262
] 

Jörn Kottmann edited comment on UIMA-1726 at 5/3/10 4:22 AM:
-------------------------------------------------------------

The warning is no longer logged in our test system after the update to revision 937028.

      was (Author: joern):
    The warning is now longer logged in our test system after the update to revision 937028.

> Long GC causes UIMA AS service to loose broker connection and marks the client as dead
> --------------------------------------------------------------------------------------
>
>                 Key: UIMA-1726
>                 URL: https://issues.apache.org/jira/browse/UIMA-1726
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>             Fix For: 2.3AS
>
>
> When the JVMs GC takes a long time, the UIMA AS fails to validate the broker connection and proceeds to close
it as if the broker died. It seems that the long GC freezes the jvm and prevents the low level socket pinging
to work correctly. This pinging is a mechanism by which the low level AMQ code relies upon to detect a broker
failure. In this case, the broker is actually fine. The side effect of the above is that the UIMA AS service
(Continue reading)

Jörn Kottmann (JIRA | 3 May 11:57 2010
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[jira] Commented: (UIMA-1766) Fix Memory Leak in UIMA AS Service


    [
https://issues.apache.org/jira/browse/UIMA-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863290#action_12863290
] 

Jörn Kottmann commented on UIMA-1766:
-------------------------------------

The problem described in the last comment is actually linked to UIMA-1726 and not to this issue.

> Fix Memory Leak in UIMA AS Service
> ----------------------------------
>
>                 Key: UIMA-1766
>                 URL: https://issues.apache.org/jira/browse/UIMA-1766
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.3AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> When running an Aggregate with a colocated Cas Multiplier per CAS statistics are not being removed from a
Map maintained by the Cas Multiplier service. As more CASes are sent to the CM, instances of
ServicePerformance object are added to the Map and never removed leading to a memory leak and eventual OOM
error. 

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Jörn Kottmann (JIRA | 3 May 12:03 2010
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[jira] Commented: (UIMA-1766) Fix Memory Leak in UIMA AS Service


    [
https://issues.apache.org/jira/browse/UIMA-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863293#action_12863293
] 

Jörn Kottmann commented on UIMA-1766:
-------------------------------------

It seems that now all memory leaks are fixed, the memory consumption did not increase after processing 350K
CASes in our test system with the latest revision. 

> Fix Memory Leak in UIMA AS Service
> ----------------------------------
>
>                 Key: UIMA-1766
>                 URL: https://issues.apache.org/jira/browse/UIMA-1766
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.3AS
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> When running an Aggregate with a colocated Cas Multiplier per CAS statistics are not being removed from a
Map maintained by the Cas Multiplier service. As more CASes are sent to the CM, instances of
ServicePerformance object are added to the Map and never removed leading to a memory leak and eventual OOM
error. 

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(Continue reading)

Marshall Schor | 3 May 16:47 2010

eclipse plugin version names with dash

For our builds, we have been doing extra stuff to have 2 kinds of versions:

Maven conventions: 2.3.1-SNAPSHOT and
Eclipse plugin conventions: 2.3.1.SNAPSHOT

Eclipse appears to have been updated to allow the dash: see
https://bugs.eclipse.org/bugs/show_bug.cgi?id=197503

So I'll presume this works and as part of my maven alignment work,
remove the special treatment of versions for eclipse & osgi plugins,
going forward.

-Marshall


Gmane