[jBPM] - Re: Loading processInstance/session via JPA, workItem executes before able to register workItems
by Marcus Portmann
Marcus Portmann [https://community.jboss.org/people/marcusportmann] created the discussion
"Re: Loading processInstance/session via JPA, workItem executes before able to register workItems"
To view the discussion, visit: https://community.jboss.org/message/736669#736669
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Hi Ryan,
I encountered the same problem but am still working on finding a solution.
I believe that the problem is a result of a race condition where when a persistent knowledge session is unmarshalled as part of the call-chain for *JPAKnowledgeService.loadStatefulKnowledgeSession(...)* the "timer job" infrastructure is initialised and any pending "timer jobs" are immediatelly executed before the knowledge session is completely initialised. In my case what happens is that a TimerJobInstance executes before the following line is executed in the *initKsession* method for the *SingleSessionCommandService* class so the CommandService for my *TimerJobFactoryManager* instance is still null.
((AcceptsTimerJobFactoryManager) ((InternalKnowledgeRuntime) ksession).getTimerService()).getTimerJobFactoryManager().setCommandService( this );
The issue seems to be that timer job instances should not executed until the knowledge session is completely initialised. This initialisation should include things like registering the work item handlers which should solve your problem.
I believe that the knowledge session itself needs some sort of "resume" method so that it can be instructed when to resume once it has been completely initialised. This "resume" method would kick-off any timer jobs. Unfortunately I am not familiar enough with the Drools/JBPM code-base to suggest how this should be implemented.
Regards,
Marcus
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[jBPM] - jBPM5 Startup Time
by wqe wqe
wqe wqe [https://community.jboss.org/people/drupalspring] created the discussion
"jBPM5 Startup Time"
To view the discussion, visit: https://community.jboss.org/message/754223#754223
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Hi jBPM5 community ,
This is the question about the jboss configuration rather than jBPM5 itself.
The ant script from the installation package will build total six WARS. I use JBoss AS 7.1.1. with default setting and base on default standalone.xml , I modify it in order to run jbpm5 . After the startup scripts is invoked (i.e standalone.bat) , I have to wait about 10 minutes for all these six WARS are deploye succesfully .Is it normal or take too long?
I found that these six WARs will be exploded to about 1GB data during the deployment .It may be one of the reasons about the long time deployment. Within these 1 GB data , about half (500MB) comes from the form-designer WAR .If I exclude it , the startup time will decrease nearly half to about 5-6 minutes.
So , I want to ask
(1) : How can I speed up the startup time of the JBoss assume the no other application beside jbpm5 will run on it ? Will it help if only the required extensions are loaded . Currently , I enable the following extensions:
> <extension module="org.jboss.as.clustering.infinispan"/>
> <extension module="org.jboss.as.connector"/>
> <extension module="org.jboss.as.deployment-scanner"/>
> <extension module="org.jboss.as.ee"/>
> <extension module="org.jboss.as.ejb3"/>
> <extension module="org.jboss.as.jaxrs"/>
> <extension module="org.jboss.as.jmx"/>
> <extension module="org.jboss.as.jpa"/>
> <extension module="org.jboss.as.logging"/>
> <extension module="org.jboss.as.naming"/>
> <extension module="org.jboss.as.osgi"/>
> <extension module="org.jboss.as.pojo"/>
> <extension module="org.jboss.as.remoting"/>
> <extension module="org.jboss.as.sar"/>
> <extension module="org.jboss.as.security"/>
> <extension module="org.jboss.as.threads"/>
> <extension module="org.jboss.as.transactions"/>
> <extension module="org.jboss.as.web"/>
> <extension module="org.jboss.as.weld"/>
Which extensions can I safely remove such that these jBPM5 WARs will not be affected??
(2) I find that whenever the jboss startup , all six WARs will be exploded again to about 1GB data even there are no changes in these WARs. Can I configure JBoss such can detect if there are changes in these WARs , and only deploye these delta instead of all six WARs ?
Thanks :)
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[jBPM] - jbpm-installer migration: Wins to Linux
by Andrea Carpineti
Andrea Carpineti [https://community.jboss.org/people/acarpine] created the discussion
"jbpm-installer migration: Wins to Linux"
To view the discussion, visit: https://community.jboss.org/message/754065#754065
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Dear community,
I setup a correct env for JBPM in my Windows pc and I would setup a similar env in a linux machine but I'm facing some problems.
My linux machine is
> cat /proc/version
> Linux version 2.6.32-220.4.2.el6.x86_64 ( mailto:mockbuild@c6b18n3.bsys.dev.centos.org mockbuild(a)c6b18n3.bsys.dev.centos.org) (gcc version 4.4.6 20110731 (Red Hat 4.4.6-3)
and instead of re-download the whole jbpm-installer package and re-configured it, I tried to copy the folder form Windows to the linux pc and simply call the ant services to start/stop JBoss (build.xml is properly configured to use the correct script bat/sh). Although all seems to work correctly I'm unable to reach the deployed webapps.
The +server.log+ file reports several warnings of type
cat /proc/version
> [...]
> WARN [org.jboss.as.server.deployment] (MSC service thread 1-2) Class Path entry xalan-2.7.1.jar in "/content/designer.war/WEB-INF/lib/jbpmmigration-0.11.jar" does not point to a valid jar for a Class-Path reference.
> [...]
but I'm not sure this is the problem. Some threads describe that problem as a side-effect of the changed AS (from JBoss 7 to JBoss 5) but I just changed the platform and all the software version are the same.
Anyway you can find my +server.log+ as an attachment.
btw the only custom confs are related to the persistence: in my conf I use postgres instead of h2.
Any idea?
tks
andrea
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[JBoss Cache] - symptoms include fever and muscle aches, chills
by casablancabl casablancabl
casablancabl casablancabl [https://community.jboss.org/people/casablancabl] created the discussion
"symptoms include fever and muscle aches, chills"
To view the discussion, visit: https://community.jboss.org/message/754198#754198
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Hantavirus develops from breathing in dust contaminated with rodent droppings, urine or saliva. Early symptoms include fever and muscle aches, chills, headaches, nausea, vomiting, diarrhea, abdominal pain and coughing.State health spokesman Ralph Montano said officials were advising anyone with those symptoms to seek medical attention and let doctors know if they were camping in Yosemite. He said thousands of people visit the park every month, so it would be impossible to track everyone who had set foot in Curry Village.
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