Thanks a lot... your comment help me to overcome my problem.
>
> Hi John,
>
> The quartz scheduler that is registered by the Quartz plugin has a
> specialized JobFactory that depends on the jobs being registered
> statically by name in the spring container. The ‘name must not be
> null’ error is coming from the JobFactory trying to find your job in
> the spring container and discovering your dynamic job has no name
> (i.e. is not found in the grails-app/jobs directory).
>
> The current edition of the quartz plug does not readily support
> dynamically created jobs, although the next release of it is supposed
> to support them directly. You can create dynamic jobs if you gotta,
> but it’s tricky. Scheduling a dynamic trigger for a static job is
> pretty easy though, so if it is possible for you to define your job in
> grails-app/jobs then a dynamic trigger is the ticket.
>
> Its easy enough to pass per-job-run data to the job via the trigger
> schedule mechanism, so often static jobs are ‘good enough’. For
> example, if you have a class called grails-app/jobs/MyCoolJob you can
> schedule a dynamic trigger for it like this:
>
> Trigger trigger = new CronTrigger(“My-T-ID”, “My-T-Group”, cronExpression)
>
> trigger.setJobName(“MyCoolJob”)
>
> trigger.setJobGroup(“MyCoolJobGroup”) // remember to specify this as
> the group name in jobs/MyCoolJob
>
> trigger.jobDataMap.myParamA = “something”
>
> trigger.jobDataMap.myParamB = “somethingElse”
>
> quartzScheduler.scheduleJob(trigger)
>
> note that the job data map can be set when you schedule the trigger,
> and that data is passed to the job when the trigger fires.
>
> Jay
>
> ------------------------------------------------------------------------
>
> *From:* John Sanabria [mailto:
john.sanabria@...]
> *Sent:* Tuesday, July 08, 2008 12:40 PM
> *To:*
user@...
> *Subject:* [grails-user] quartz pluggin Exception...
>
> Hi,
>
> I'm developing a grails service that executes a command. This service
> can be accessed using the hessian protocol. The task is scheduled
> using the Quartz plug-in.
>
> Here is the service code:
> ---------------------------------------
> > cat grails-app/services/Demo1Service.groovy
> import demoremoting.CronGlobusJobSubmit
> import quartzdemo.SimpleJobSubmit
>
> class Demo1Service
> implements demoremoting.CronGlobusJobSubmit
> {
> boolean transactional = false
> static expose = ['hessian']
> def quartzScheduler
>
> def serviceMethod() {
> }
> String execute(String server, String jobmanager, String parameters,
> String when) {
> def job = new SimpleJobSubmit(scheduler: quartzScheduler)
> job.registerjob()
> }
> }
> -----------------------------
> For modularity, I have implemented a jar file to deal with Job
> definition according to Quartz framework. Here is the code:
> --------------------------
> > cat SimpleJobSubmit.groovy
> package quartzdemo
>
> import org.quartz.JobDetail
> import org.quartz.Scheduler
> import org.quartz.SimpleTrigger
> import org.joda.time.DateTime
>
> class SimpleJobSubmit {
> def scheduler = null
>
> void registerjob() {
> def sched
> sched = scheduler
>
> // We get the current time
> def currdatetime = new DateTime()
> // A new jobdetail is created from GlobusJobSubmitQuartzJob
> def jobDetail = new JobDetail("job${currdatetime}", "group",
> Echo.class)
>
> def trigger
> def startTime = new DateTime()
> startTime = startTime.plusMillis(2000)
> trigger = new SimpleTrigger("triggersimple${startTime}","group")
> trigger.setStartTime(startTime.toDate())
> * println "Scheduling a New Job"*
> sched.scheduleJob(jobDetail,trigger)
> * println "Job Scheduled!"*
> }
> }
> ----------------------------------
> The Echo groovy class is here:
> --------------------------------------
> > cat Echo.groovy
> package quartzdemo
>
> import org.quartz.Job
> import org.quartz.JobExecutionContext
> import org.quartz.JobExecutionException
>
> class Echo implements Job {
> public void execute(JobExecutionContext context)
> throws JobExecutionException
> {
> println "I'm IN"
> }
> }
> --------------------------------
>
> Now, I run the application using the traditional "grails prod run-app"
> and I use a hessian client for requesting the task execution(Below is
> the output). Note that the job is scheduled but something inside of
> Quartz launches the exception.
>
> What is wrong? Where is the 'name' variable defined? I have not
> defined any 'name' variable. How can I get the complete stack trace
> output?
>
> I appreciate your suggestion and comments.
> -------------------------------------
> Server running. Browse to
http://localhost:8080/launcherjobs> *Scheduling a New Job*
> *Job Scheduled!*
> [13466] core.ErrorLogger An error occured instantiating job to be
> executed. job= 'group.job2008-07-08T14:17:05.755-04:00'
> org.quartz.SchedulerException: Job instantiation failed [See nested
> exception: java.lang.IllegalArgumentException: 'name' must not be null]
> at
> org.springframework.scheduling.quartz.AdaptableJobFactory.newJob(AdaptableJobFactory.java:41)
> at org.quartz.core.JobRunShell.initialize(JobRunShell.java:132)
> at
> org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:358)
> Caused by: java.lang.IllegalArgumentException: 'name' must not be null
> at org.springframework.util.Assert.notNull(Assert.java:112)
> at
> org.springframework.beans.factory.BeanFactoryUtils.transformedBeanName(BeanFactoryUtils.java:71)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.transformedBeanName(AbstractBeanFactory.java:859)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:202)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
> at
> org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:881)
> at
> org.codehaus.groovy.grails.plugins.quartz.GrailsJobFactory.createJobInstance(GrailsJobFactory.java:42)
> at
> org.springframework.scheduling.quartz.AdaptableJobFactory.newJob(AdaptableJobFactory.java:37)
> ... 2 more
>
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