Hi,
i posted this question already in the seam forum, but i was told I should post
the question here again...
I wrote a simple stateless bean to test the TimerService. i am using jboss
4.2.0GA
bean using the TimerService:
| @Stateless
| @Name("listener")
| public class DBChangeListenerService implements DBChangeListener {
|
| @Resource TimerService timerservice;
|
| @Logger Log log;
|
| public DBChangeListenerService() {}
|
| public void initTimer() {
| log.info("initTimer");
| timerservice.createTimer(2*60*1000,
2*60*1000,"DBChangeListener");
| }
|
| @Timeout
| public void queryState(Timer timer) {
| log.info("query db state");
| }
| }
|
and the bean calling the initTimer() method:
| @Stateless
| @AutoCreate
| @Name("objectcache")
| public class ObjectCacheService implements ObjectCache{
|
|
| @In(create=true)
| DBChangeListenerService listener;
|
| public void init() {
| listener.initTimer();
| }
| }
When the init() method is called the following exception is trhrown:
2007-10-02 14:56:55,437 ERROR [org.jboss.ejb.txtimer.TimerServiceImpl] Cannot
create txtimer
| java.lang.IllegalStateException: Unable to persist timer
| at
org.jboss.ejb.txtimer.DatabasePersistencePolicy.insertTimer(DatabasePersistencePolicy.java:124)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| ...
| ...
| at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
| at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)
| at
org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:381)
| at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: org.jboss.util.NestedSQLException: Could not enlist in
transaction on entering meta-aware
| object!; - nested throwable: (javax.transaction.SystemException:
java.lang.Throwable: Unabled to en
| list resource, see the previous warnings. tx=TransactionImple < ac,
BasicAction: -3f57fdff:555:47023fba:53 status: ActionStatus.ABORT_ONLY >); -
nested throwable: (org.jboss.resource.JBossResourceException: Could not enlist
in transaction o
| n entering meta-aware object!; - nested throwable:
(javax.transaction.SystemException: java.lang.Thr
| owable: Unabled to enlist resource, see the previous warnings.
tx=TransactionImple < ac, BasicAction: -3f57fdff:555:47023fba:53 status:
ActionStatus.ABORT_ONLY >))
| at
org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:94)
| at
org.jboss.ejb.txtimer.GeneralPurposeDatabasePersistencePlugin.insertTimer(GeneralPurposeDatabase
| PersistencePlugin.java:199)
| at
org.jboss.ejb.txtimer.DatabasePersistencePolicy.insertTimer(DatabasePersistencePolicy.java:120)
| ... 317 more
| Caused by: org.jboss.resource.JBossResourceException: Could not enlist in
transaction on entering me
| ta-aware object!; - nested throwable: (javax.transaction.SystemException:
java.lang.Throwable: Unabl
| ed to enlist resource, see the previous warnings. tx=TransactionImple < ac,
BasicAction: -3f57fdff:555:47023fba:53 status: ActionStatus.ABORT_ONLY >)
| at
org.jboss.resource.connectionmanager.TxConnectionManager.managedConnectionReconnected(TxConnecti
| onManager.java:343)
| at
org.jboss.resource.connectionmanager.BaseConnectionManager2.reconnectManagedConnection(BaseConne
| ctionManager2.java:518)
| at
org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionMan
| ager2.java:399)
| at
org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConne
| ction(BaseConnectionManager2.java:842)
| at
org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88)
| ... 319 more
| Caused by: javax.transaction.SystemException: java.lang.Throwable: Unabled
to enlist resource, see t
| he previous warnings. tx=TransactionImple < ac, BasicAction:
-3f57fdff:555:47023fba:53 status: ActionStatus.ABORT_ONLY >
| at
org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener$TransactionSy
| nchronization.checkEnlisted(TxConnectionManager.java:744)
| at
org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener.enlist(TxConn
| ectionManager.java:577)
| at
org.jboss.resource.connectionmanager.TxConnectionManager.managedConnectionReconnected(TxConnecti
| onManager.java:337)
| ... 323 mor
any tips would be great.
Thanks and regards,
hasc
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