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Posted to dev@tuscany.apache.org by "Jean-Sebastien Delfino (JIRA)" <tu...@ws.apache.org> on 2008/01/09 08:32:33 UTC
[jira] Created: (TUSCANY-1953) Feed-aggregator sample does not stop
properly
Feed-aggregator sample does not stop properly
---------------------------------------------
Key: TUSCANY-1953
URL: https://issues.apache.org/jira/browse/TUSCANY-1953
Project: Tuscany
Issue Type: Bug
Components: Java SCA Tomcat Integration
Affects Versions: Java-SCA-1.1
Reporter: Jean-Sebastien Delfino
Assignee: Jean-Sebastien Delfino
Fix For: Java-SCA-1.1
To reproduce the problem, start the feed-aggregator sample using ant run, point your Web browser to http://localhost:8083/atomAggregator, then press enter in the window where you started ant run. The program should exit but doesn't.
The problem is that ThreadPoolWorkManager used by the TomcatServer to handle incoming HTTP requests and read from the input TCP/IP socket does not create Daemon threads. Tomcat leaves a thread alive blocked on the input socket and that live thread prevents the JVM to exit.
This problem is not specific to the feed-aggregator sample, it happens with any Tuscany application using our embedded TomcatServer. The problem does not occur with Jetty.
I am fixing it by marking the threads as Daemon threads in ThreadWorkPoolManager.
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[jira] Updated: (TUSCANY-1953) Feed-aggregator sample does not stop
properly
Posted by "Luciano Resende (JIRA)" <tu...@ws.apache.org>.
[ https://issues.apache.org/jira/browse/TUSCANY-1953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Luciano Resende updated TUSCANY-1953:
-------------------------------------
Fix Version/s: (was: Java-SCA-Next)
Java-SCA-1.2
> Feed-aggregator sample does not stop properly
> ---------------------------------------------
>
> Key: TUSCANY-1953
> URL: https://issues.apache.org/jira/browse/TUSCANY-1953
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Tomcat Integration
> Affects Versions: Java-SCA-1.1
> Reporter: Jean-Sebastien Delfino
> Assignee: Jean-Sebastien Delfino
> Fix For: Java-SCA-1.2
>
>
> To reproduce the problem, start the feed-aggregator sample using ant run, point your Web browser to http://localhost:8083/atomAggregator, then press enter in the window where you started ant run. The program should exit but doesn't.
> The problem is that ThreadPoolWorkManager used by the TomcatServer to handle incoming HTTP requests and read from the input TCP/IP socket does not create Daemon threads. Tomcat leaves a thread alive blocked on the input socket and that live thread prevents the JVM to exit.
> This problem is not specific to the feed-aggregator sample, it happens with any Tuscany application using our embedded TomcatServer. The problem does not occur with Jetty.
> I am fixing it by marking the threads as Daemon threads in ThreadWorkPoolManager.
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[jira] Updated: (TUSCANY-1953) Feed-aggregator sample does not stop
properly
Posted by "Simon Laws (JIRA)" <tu...@ws.apache.org>.
[ https://issues.apache.org/jira/browse/TUSCANY-1953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Laws updated TUSCANY-1953:
--------------------------------
Fix Version/s: (was: Java-SCA-1.1)
Java-SCA-Next
Moving this Issues to Java-Next as we have changed the "all" jar to ship only Jetty which alleviates the problem for 1.1. Proper fix required for 1.2.
> Feed-aggregator sample does not stop properly
> ---------------------------------------------
>
> Key: TUSCANY-1953
> URL: https://issues.apache.org/jira/browse/TUSCANY-1953
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Tomcat Integration
> Affects Versions: Java-SCA-1.1
> Reporter: Jean-Sebastien Delfino
> Assignee: Jean-Sebastien Delfino
> Fix For: Java-SCA-Next
>
>
> To reproduce the problem, start the feed-aggregator sample using ant run, point your Web browser to http://localhost:8083/atomAggregator, then press enter in the window where you started ant run. The program should exit but doesn't.
> The problem is that ThreadPoolWorkManager used by the TomcatServer to handle incoming HTTP requests and read from the input TCP/IP socket does not create Daemon threads. Tomcat leaves a thread alive blocked on the input socket and that live thread prevents the JVM to exit.
> This problem is not specific to the feed-aggregator sample, it happens with any Tuscany application using our embedded TomcatServer. The problem does not occur with Jetty.
> I am fixing it by marking the threads as Daemon threads in ThreadWorkPoolManager.
--
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[jira] Resolved: (TUSCANY-1953) Feed-aggregator sample does not
stop properly
Posted by "Jean-Sebastien Delfino (JIRA)" <tu...@ws.apache.org>.
[ https://issues.apache.org/jira/browse/TUSCANY-1953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Sebastien Delfino resolved TUSCANY-1953.
---------------------------------------------
Resolution: Fixed
This issue has been resolved.
> Feed-aggregator sample does not stop properly
> ---------------------------------------------
>
> Key: TUSCANY-1953
> URL: https://issues.apache.org/jira/browse/TUSCANY-1953
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Tomcat Integration
> Affects Versions: Java-SCA-1.1
> Reporter: Jean-Sebastien Delfino
> Assignee: Jean-Sebastien Delfino
> Fix For: Java-SCA-1.2
>
>
> To reproduce the problem, start the feed-aggregator sample using ant run, point your Web browser to http://localhost:8083/atomAggregator, then press enter in the window where you started ant run. The program should exit but doesn't.
> The problem is that ThreadPoolWorkManager used by the TomcatServer to handle incoming HTTP requests and read from the input TCP/IP socket does not create Daemon threads. Tomcat leaves a thread alive blocked on the input socket and that live thread prevents the JVM to exit.
> This problem is not specific to the feed-aggregator sample, it happens with any Tuscany application using our embedded TomcatServer. The problem does not occur with Jetty.
> I am fixing it by marking the threads as Daemon threads in ThreadWorkPoolManager.
--
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[jira] Commented: (TUSCANY-1953) Feed-aggregator sample does not
stop properly
Posted by "Jean-Sebastien Delfino (JIRA)" <tu...@ws.apache.org>.
[ https://issues.apache.org/jira/browse/TUSCANY-1953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12557175#action_12557175 ]
Jean-Sebastien Delfino commented on TUSCANY-1953:
-------------------------------------------------
Now fixed in trunk but not merged in the 1.1 branch.
I think we have the following options:
a) Defer the inclusion of the fix to release 1.2 as it's not a blocker. People who want to embed Tomcat can call System.exit() to exit their program.
b) Test all the samples that embed Tomcat with the fix, on a real 1.1 distribution build and using Ant, after having fixed TUSCANY-1954 which is much more serious.
c) As part of the fix to TUSCANY-1954 pick Jetty as the default embedded server, lowering the severity of this problem, and defer the inclusion of the fix to release 1.2.
I recommend option (a) for now.
> Feed-aggregator sample does not stop properly
> ---------------------------------------------
>
> Key: TUSCANY-1953
> URL: https://issues.apache.org/jira/browse/TUSCANY-1953
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Tomcat Integration
> Affects Versions: Java-SCA-1.1
> Reporter: Jean-Sebastien Delfino
> Assignee: Jean-Sebastien Delfino
> Fix For: Java-SCA-1.1
>
>
> To reproduce the problem, start the feed-aggregator sample using ant run, point your Web browser to http://localhost:8083/atomAggregator, then press enter in the window where you started ant run. The program should exit but doesn't.
> The problem is that ThreadPoolWorkManager used by the TomcatServer to handle incoming HTTP requests and read from the input TCP/IP socket does not create Daemon threads. Tomcat leaves a thread alive blocked on the input socket and that live thread prevents the JVM to exit.
> This problem is not specific to the feed-aggregator sample, it happens with any Tuscany application using our embedded TomcatServer. The problem does not occur with Jetty.
> I am fixing it by marking the threads as Daemon threads in ThreadWorkPoolManager.
--
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