[ http://jira.jboss.com/jira/browse/JBSEAM-2306?page=all
]
Pete Muir updated JBSEAM-2306:
------------------------------
Fix Version/s: 2.0.2.GA
Description:
I've set up an ObserveInitilization class as suggested by
Pete Muir here: http://in.relation.to/Bloggers/DoingSomethingAtSta
rtupWithSeam
It looks like this:
 Name("observeInitialization")
public class ObserveInitialization {
In(create=true)
Updater updater;
Observer("org.jboss.seam.postInitialization"
;)
public void start() {
initialize(30 * 1000l);
}
Asynchronous
public void initialize(Duration long
durationInMilliseconds) {
updater.update(new Date(), "0 0/3 * * *
?");
}
}
The Updater class looks like this:
Name("updater")
public class Updater {
In
private EntityManager entityManager;
Logger
private Log log;
Asynchronous
public void update(Expiration Date start, IntervalCron String cron) {
//...
}
}
The issue is this code calls
ThreadPoolDispatcher.scheduleWithExecutorService, which
casts the return value of createSchedule to a
TimerSchedule.
Because I'm using an IntervalCron the return value of
createSchedule is a CronSchedule which extends Schedule, but
not TimerSchedule, so I get a ClassCastException:
09:14:59,387 ERROR [[/admin]] Exception sending context
initialized event to listener instance of cl
ass org.jboss.seam.servlet.SeamListener
java.lang.ClassCastException:
org.jboss.seam.async.CronSchedule
at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:47)
at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:29)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootI
nvocationContext.java:31)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:56)
at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(
RollbackInterceptor.java:31)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(Me
thodContextInterceptor.java:42)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
at
org.jboss.seam.async.ThreadPoolDispatcher_$$_javassist_6.sch
eduleInvocation(ThreadPoolDispatcher
_$$_javassist_6.java)
at
org.jboss.seam.async.AsynchronousInterceptor.aroundInvoke(As
ynchronousInterceptor.java:38)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
at
com.company.Updater_$$_javassist_5.update(Updater_$$_javassi
st_5.java)
at
com.company.ObserveInitialization.initialize(ObserveInitiali
zation.java:29)
I compared this to the Quartz example packaged with Seam.
That example also calls createSchedule but as a parameter to
QuartzDispatcher.scheduleWithQuartzService which accepts a
Schedule, thus no ClassCastException.
was:
I've set up an ObserveInitilization class as suggested by
Pete Muir here: http://in.relation.to/Bloggers/DoingSomethingAtSta
rtupWithSeam
It looks like this:
Name("observeInitialization")
public class ObserveInitialization {
In(create=true)
Updater updater;
Observer("org.jboss.seam.postInitialization"
;)
public void start() {
initialize(30 * 1000l);
}
Asynchronous
public void initialize(Duration long
durationInMilliseconds) {
updater.update(new Date(), "0 0/3 * * *
?");
}
}
The Updater class looks like this:
Name("updater")
public class Updater {
In
private EntityManager entityManager;
Logger
private Log log;
Asynchronous
public void update(Expiration Date start, IntervalCron String cron) {
//...
}
}
The issue is this code calls
ThreadPoolDispatcher.scheduleWithExecutorService, which
casts the return value of createSchedule to a
TimerSchedule.
Because I'm using an IntervalCron the return value of
createSchedule is a CronSchedule which extends Schedule, but
not TimerSchedule, so I get a ClassCastException:
09:14:59,387 ERROR [[/admin]] Exception sending context
initialized event to listener instance of cl
ass org.jboss.seam.servlet.SeamListener
java.lang.ClassCastException:
org.jboss.seam.async.CronSchedule
at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:47)
at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:29)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootI
nvocationContext.java:31)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:56)
at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(
RollbackInterceptor.java:31)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(Me
thodContextInterceptor.java:42)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
at
org.jboss.seam.async.ThreadPoolDispatcher_$$_javassist_6.sch
eduleInvocation(ThreadPoolDispatcher
_$$_javassist_6.java)
at
org.jboss.seam.async.AsynchronousInterceptor.aroundInvoke(As
ynchronousInterceptor.java:38)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
at
com.company.Updater_$$_javassist_5.update(Updater_$$_javassi
st_5.java)
at
com.company.ObserveInitialization.initialize(ObserveInitiali
zation.java:29)
I compared this to the Quartz example packaged with Seam.
That example also calls createSchedule but as a parameter to
QuartzDispatcher.scheduleWithQuartzService which accepts a
Schedule, thus no ClassCastException.
> Can't create Quartz Cron job at startup
> ---------------------------------------
>
> Key: JBSEAM-2306
> URL: http://
jira.jboss.com/jira/browse/JBSEAM-2306
> Project: JBoss Seam
> Issue Type: Bug
> Components: Async
> Affects Versions: 2.0.0.GA
> Environment: Windows, JBoss 4.2.1 GA
> Reporter: NSA
> Fix For: 2.0.2.GA
>
>
> I've set up an ObserveInitilization class as suggested
by Pete Muir here: http://in.relation.to/Bloggers/DoingSomethingAtSta
rtupWithSeam
> It looks like this:
> Name("observeInitialization")
> public class ObserveInitialization {
>
> In(create=true)
> Updater updater;
> Observer("org.jboss.seam.postInitialization"
;)
> public void start() {
> initialize(30 * 1000l);
> }
>
> Asynchronous
> public void initialize(Duration long
durationInMilliseconds) {
> updater.update(new Date(), "0 0/3 * * *
?");
> }
> }
> The Updater class looks like this:
> Name("updater")
> public class Updater {
> In
> private EntityManager entityManager;
> Logger
> private Log log;
> Asynchronous
> public void update(Expiration Date start, IntervalCron String cron) {
> //...
> }
> }
> The issue is this code calls
ThreadPoolDispatcher.scheduleWithExecutorService, which
casts the return value of createSchedule to a
TimerSchedule.
> Because I'm using an IntervalCron the return
value of createSchedule is a CronSchedule which extends
Schedule, but not TimerSchedule, so I get a
ClassCastException:
> 09:14:59,387 ERROR [[/admin]] Exception sending context
initialized event to listener instance of cl
> ass org.jboss.seam.servlet.SeamListener
> java.lang.ClassCastException:
org.jboss.seam.async.CronSchedule
> at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:47)
> at
org.jboss.seam.async.ThreadPoolDispatcher.scheduleInvocation
(ThreadPoolDispatcher.java:29)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
> at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
ssorImpl.java:39)
> at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
> at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootI
nvocationContext.java:31)
> at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:56)
> at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(
RollbackInterceptor.java:31)
> at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
> at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(Me
thodContextInterceptor.java:42)
> at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
> at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
> at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
> at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
> at
org.jboss.seam.async.ThreadPoolDispatcher_$$_javassist_6.sch
eduleInvocation(ThreadPoolDispatcher
> _$$_javassist_6.java)
> at
org.jboss.seam.async.AsynchronousInterceptor.aroundInvoke(As
ynchronousInterceptor.java:38)
> at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamI
nvocationContext.java:68)
> at
org.jboss.seam.intercept.RootInterceptor.invoke(RootIntercep
tor.java:106)
> at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvoca
tion(JavaBeanInterceptor.java:155)
> at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBean
Interceptor.java:91)
> at
com.company.Updater_$$_javassist_5.update(Updater_$$_javassi
st_5.java)
> at
com.company.ObserveInitialization.initialize(ObserveInitiali
zation.java:29)
>
> I compared this to the Quartz example packaged with
Seam.
> That example also calls createSchedule but as a
parameter to QuartzDispatcher.scheduleWithQuartzService
which accepts a Schedule, thus no ClassCastException.
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