January 2013 - jboss-user - Jboss List Archives

[Performance Tuning] - Servers swapping memory

by Suchit Khobarekar

Suchit Khobarekar [https://community.jboss.org/people/SuchitKhobarekar] created the discussion "Servers swapping memory" To view the discussion, visit: https://community.jboss.org/message/795421#795421 -------------------------------------------------------------- Hi, We have configured Liferay servers on JBoss AS 7.1.1. We have two environments Stage and Prod which are pretty much identical in terms of the hardware and software. However we are seeing some heavy swapping happening on the Prod servers. About a few hours after the servers are started they start swapping memory and this is how it read (as below): Memory Used Total Percentage ============================ Physical 4079M 7872M 51% Actual 3630M 7872M 46% Swap 878M 2047M 42% This is not a good sign for us. The JAVA_OPTS setting in standalone.conf is as below JAVA_OPTS="$JAVA_OPTS -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=true -Duser.timezone=GMT -server -XX:NewSize=700m -XX:MaxNewSize=700m -Xms2048m -Xmx4096m -XX:MaxPermSize=1536m -XX:SurvivorRatio=6 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=15 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:ParallelGCThreads=16 -XX:+CMSCompactWhenClearAllSoftRefs -XX:CMSInitiatingOccupancyFraction=85 -XX:+CMSScavengeBeforeRemark -XX:+CMSConcurrentMTEnabled -XX:ParallelCMSThreads=2" There are 2 nodes with 8 GB of RAM each I found a thread which mentioned that the -Xms and -Xmx should ideally have the same values. This is the thread https://community.jboss.org/message/221207#221207 https://community.jboss.org/message/221207 Any help on this is really appreciated. I -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795421#795421] Start a new discussion in Performance Tuning at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - xor gateway - default case?

by Jonathan L

Jonathan L [https://community.jboss.org/people/jhl] created the discussion "xor gateway - default case?" To view the discussion, visit: https://community.jboss.org/message/795514#795514 -------------------------------------------------------------- Hi, Is it possible to have a condition out of an XOR gateway that acts as a "catch-all" or default in case non of the other conditions are satisfied - think of a switch-case statement I'm trying to find the bpm equivalent for the following: switch (some condition) { case <value 1>: .... case <value 2>: ... default: ..... // this is what i want } -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795514#795514] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - Delegation of tasks

by roxy1987

roxy1987 [https://community.jboss.org/people/roxy1987] created the discussion "Delegation of tasks" To view the discussion, visit: https://community.jboss.org/message/795457#795457 -------------------------------------------------------------- Hi, Is it possible to delegate a task to a group from a user? Regards. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795457#795457] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - Re: JTA Problem with multiple sessions

by Maciej Swiderski

Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion "Re: JTA Problem with multiple sessions" To view the discussion, visit: https://community.jboss.org/message/795448#795448 -------------------------------------------------------------- Gareth, I believe that this is caused by multiple session listening on completed tasks events and when second task is completed (from another process that was started by new session) events are sent to all listeners - meaning two sessions and both will try to resume process and thus optimistic locking exception. You can instruct the work item handler to only react on tasks completed events that were created by given session by setting workitemhandler.setOwningSessionOnly(true) that should ensure only session that created the task will consume its completed task event. Please not that this forces you to use same session (with same id) to resume process after task was completed. HTH -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795448#795448] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - Re: jbpm 5.3 - kSession.dispose() - Error: Session was previously disposed

by Maciej Swiderski

Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion "Re: jbpm 5.3 - kSession.dispose() - Error: Session was previously disposed" To view the discussion, visit: https://community.jboss.org/message/745100#745100 -------------------------------------------------------------- the issue is that you dispose the session before transaction is completed which cause the mentioned error. Make sure that the dispose will happen after transaction completion. HTH -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/745100#745100] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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Re: [jboss-user] [JBoss Messaging] - JBoss7 integration with Tibco EMS using 'Generic JMS RA'

by Thomas Andersen

Thomas Andersen [https://community.jboss.org/people/botunge] commented on the document "JBoss7 integration with Tibco EMS using 'Generic JMS RA'" To view all comments on this document, visit: https://community.jboss.org/docs/DOC-47346#comment-11500 -------------------------------------------------- I have been in contact with TIBCO support. "They don't want to reinvent the wheel :) ", so they have no plans for a specific TIBCO RA. But they do have a Resource Adapter based on a modified version of the http://genericjmsra.java.net/ http://genericjmsra.java.net/ project for use with JBoss 7/EAP6. By contacting TIBCO support or searching the Knowledge Base under TIBCO support you should be able to get hold of this version. --------------------------------------------------

13 years, 2 months

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[Beginner's Corner] - Re: jboss.xml, jboss-service.xml & MBean attributes

by Albert Newton

Albert Newton [https://community.jboss.org/people/albert_newton] created the discussion "Re: jboss.xml, jboss-service.xml & MBean attributes" To view the discussion, visit: https://community.jboss.org/message/795485#795485 -------------------------------------------------------------- Did anyone ever figure out how to do this? -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795485#795485] Start a new discussion in Beginner's Corner at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - Re: Boolean process variable - XOR check

by wishmaster7

wishmaster7 [https://community.jboss.org/people/wishmaster7] created the discussion "Re: Boolean process variable - XOR check" To view the discussion, visit: https://community.jboss.org/message/794903#794903 -------------------------------------------------------------- forget my question, I have found a solution. in a script task, prior to the gateway (for example in "Check Client"), I put: > toto = true; > kcontext.setVariable("toto", toto); and now it works. that means the variable "toto" exists but is not usable as long as it is not in the +kcontext+? well... -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/794903#794903] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[jBPM] - When do Sub Task Strategy executed?

by Thomas Setiabudi

Thomas Setiabudi [https://community.jboss.org/people/thomas.setiabudi] created the discussion "When do Sub Task Strategy executed?" To view the discussion, visit: https://community.jboss.org/message/795110#795110 -------------------------------------------------------------- Hi, We use JBPM 5.4. We can set sub task strategy to a task, but we have some questions: 1. When do actually the code inside the execute(..) method of a Sub Task Strategy is called? 2. Where should we put the sub task strategy such as OnParentAbortAllSubTasksEndStrategy or OnAllSubTasksEndParentEndStrategy? on the parent task? on the sub task? both? 3. If we look at the implementation of org.jbpm.task.OnParentAbortAllSubTasksEndStrategy public void execute(TaskServiceSession taskServiceSession, TaskService service, Task task) { List<TaskSummary> subTasks = taskServiceSession.getSubTasksByParent(task.getId(), "en-UK"); for(TaskSummary taskSummary : subTasks){ Task subTask = taskServiceSession.getTask(taskSummary.getId()); service.addEventListener(new InternalTaskEventListener(taskServiceSession)); service.getEventSupport().fireTaskCompleted( subTask.getId(), subTask.getTaskData().getActualOwner().getId(), subTask.getTaskData().getProcessSessionId()); } } when do this code: service.getEventSupport().fireTaskCompleted( ..) is executed? Which part of it says that this will be executed when the parent task is aborted? Any help is appreciated. Regards, Thomas Setiabudi -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795110#795110] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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[JBoss Cache] - Re: Intermittent cache invalidation failures

by Heber Gentilin

Heber Gentilin [https://community.jboss.org/people/hebergentilin] created the discussion "Re: Intermittent cache invalidation failures" To view the discussion, visit: https://community.jboss.org/message/795436#795436 -------------------------------------------------------------- Idk if this will help u, but try uncomment the tag: <Valve className="org.apache.catalina.valves.RequestDumperValve" /> in the server.xml file. There are more valve tag that can help you. Try uncomment someone else. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795436#795436] Start a new discussion in JBoss Cache at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&con...]

13 years, 2 months

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jboss-user January 2013