[jbossseam-issues] [JBoss JIRA] Updated: (JBSEAM-2694) QuartzDispatcher and ClassNotFoundException

[Pete Muir (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-2694?page=all ]

Pete Muir updated JBSEAM-2694:
------------------------------

    Component/s: Async

> QuartzDispatcher  and  ClassNotFoundException
> ---------------------------------------------
>
>                 Key: JBSEAM-2694
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2694
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Async
>    Affects Versions: 2.0.1.GA
>         Environment: AS 4.2.1
>            Reporter: Markus Heidt
>             Fix For: 2.1.x
>
>
> Error Message after startup of JBoss AS
> ***********************
> 21:16:01,118 ERROR [ErrorLogger] Job (DEFAULT.-6ad11a7d:1185c88089f:-7f8e threw an exception.
> org.quartz.SchedulerException: Job threw an unhandled exception. 
> [See nested exception: org.jboss.seam.InstantiationException: 
> Could not instantiate Seam component: danteUsersRetriever]
> at org.quartz.core.JobRunShell.run(JobRunShell.java:214)
> ...
> Caused by: javax.naming.CommunicationException 
> [Root 
> exception is java.lang.ClassNotFoundException: 
> No ClassLoaders found for: org.domain.QuartzTest.session.DanteUsersRetriever 
> (no security manager: RMI class loader disabled)]
> **********************
> Reproducible:
>     *  Create new seam project
>     *  change components.xml:
> ***********************
> <components
> ...
>  xmlns:async="http://jboss.com/products/seam/async"
> ...
>  xsi:schemaLocation=
>    "...http://jboss.com/products/seam/async http://jboss.com/products/seam/async-2.0.xsd...
> >
> <async:quartz-dispatcher/>
> ***********************
>     * Add two classes
> DanteUsersTimer.java
> ***********************
> package org.domain.QuartzTest.session;
> import org.jboss.annotation.ejb.Local;
> @Local
> public interface DanteUsersTimer {
> 	public void start() throws Exception;
> 	public void cancel();
> 	public void stop();
> }
> ***********************
> DanteUsersTimerBean.java
> ***********************
> package org.domain.QuartzTest.session;
> import org.jboss.seam.ScopeType;
> import org.jboss.seam.annotations.Destroy;
> import org.jboss.seam.annotations.Logger;
> import org.jboss.seam.annotations.Name;
> import org.jboss.seam.annotations.Observer;
> import org.jboss.seam.annotations.Scope;
> import org.jboss.seam.annotations.Startup;
> import org.jboss.seam.async.CronSchedule;
> import org.jboss.seam.async.QuartzDispatcher;
> import org.jboss.seam.async.QuartzTriggerHandle;
> import org.jboss.seam.log.Log;
> @Name("danteUsersTimer")
> @Scope(ScopeType.APPLICATION)
> @Startup
> public class DanteUsersTimerBean implements DanteUsersTimer {
> private static final String defaultTrigger = "1 * * * * ?"; //every minute
> @Logger private Log log;
> private QuartzTriggerHandle handle;
> private String trigger = defaultTrigger;
> @Observer("org.jboss.seam.postInitialization")
> public void start() throws Exception{
> setTrigger(defaultTrigger);
> }
> public void restoreDefault(){
> setTrigger(defaultTrigger);
> }
> public void setTrigger(String trigger){
> try{
> QuartzTriggerHandle handle = QuartzDispatcher.instance().scheduleTimedEvent("retrieveDanteUsers",
> new CronSchedule((Long) null, trigger));
> if (this.handle != null)
>            this.handle.cancel();
> this.handle = handle;
> this.trigger = trigger;
> }
> catch (Exception e){
> log.error("setTrigger(): #0", e, trigger);
> }
> }
> public String getTrigger(){
> return trigger;
> }
> public void cancel(){
> try{
> if (handle != null)
>            handle.cancel();
> handle = null;
> trigger = null;
> }
> catch (Exception e){
> log.error("cancel(): #0", e, trigger);
> }
> }
> @Destroy
> public void stop(){
> cancel();
> }
> }
> ***********************
> DanteUsersRetriever.java
> ***********************
> package com.dai.dante_tscm.session.users;
> import org.jboss.annotation.ejb.Local;
> @Local
> public interface DanteUsersRetriever {
> 	public void retrieve();
> }
> ***********************
> DanteUsersRetrieverBean.java
> ***********************
> package com.dai.dante_tscm.session.users;
> import javax.ejb.Stateless;
> import org.jboss.seam.annotations.Logger;
> import org.jboss.seam.annotations.Name;
> import org.jboss.seam.annotations.Observer;
> import org.jboss.seam.log.Log;
> @Name("danteUsersRetriever")
> @Stateless
> public class DanteUsersRetrieverBean implements DanteUsersRetriever{
> 	@Logger private Log log;
> 	
> 	@Observer("retrieveDanteUsers")
> 	public void retrieve() {
> 		log.info("retrieve dante users");
> 		
> 	}
> }
> ***********************

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