Quartz component has minor issues with old versions of Quartz
-------------------------------------------------------------

                 Key: CAMEL-3336
                 URL: https://issues.apache.org/activemq/browse/CAMEL-3336
             Project: Apache Camel
          Issue Type: Bug
          Components: camel-quartz
    Affects Versions: 2.5.0
            Reporter: Savas Ali Tokmen
            Priority: Minor
             Fix For: 2.6.0
         Attachments: camel-quartz-1.6-1.7-support.patch

Hello

I have run into two issues using camel-quartz with old versions of Quartz 
(Quartz 1.6 and 1.7):

1. With Quartz 1.6, at shutdown, I get a message:

{noformat}
2010-11-12 02:41:22,965 DefaultShutdownStrategy.shutdownNow Error occurred 
while shutting down route: 
Consumer[quartz://importAnnuaireAgentsTimer?cron=0+30+2+*+*+%3F]. This 
exception will be ignored.
java.lang.NoSuchMethodError: org.quartz.SchedulerMetaData.isJobStoreClustered()Z
        at 
org.apache.camel.component.quartz.QuartzComponent.isClustered(QuartzComponent.java:278)
        at 
org.apache.camel.component.quartz.QuartzComponent.removeJob(QuartzComponent.java:238)
        at 
org.apache.camel.component.quartz.QuartzEndpoint.removeTrigger(QuartzEndpoint.java:84)
        at 
org.apache.camel.component.quartz.QuartzEndpoint.consumerStopped(QuartzEndpoint.java:221)
        at 
org.apache.camel.component.quartz.QuartzConsumer.doStop(QuartzConsumer.java:44)
        at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:98)
        at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:122)
        at 
org.apache.camel.util.ServiceHelper.stopService(ServiceHelper.java:99)
        at 
org.apache.camel.impl.DefaultShutdownStrategy.shutdownNow(DefaultShutdownStrategy.java:235)
        at 
org.apache.camel.impl.DefaultShutdownStrategy$ShutdownTask.run(DefaultShutdownStrategy.java:386)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
{noformat}

2. Starting of a delayed timer fails. I think warning the user would be a 
better idea.

Patch is attached (it basically catches the NoSuchMethodError exceptions and 
acts accordingly)

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