11:54 a.m.
I have already posted this in the EJB3 forum, but since I am also using SEAM I thought
that perhaps this problem has something to do with my SEAM configuration. I have a project
deployed to JBoss 4.0.5 using SEAM 1.2. I know that SEAM 2.0 will support quartz
scheduling, but I am trying to get this to work with SEAM 1.2. My problem is that I can
get quartz to trigger my Job, but when it runs it cannot find META-INF/persistence.xml
file. Somehow I need to be able to run a job that uses EJB3 and persistence from quartz.
Below is a description of the problem. Does anyone see any problems with how I am tackling
this? I am about to give up and just use cron, but I would really like to get this to work
from the EAR application.
I am trying to use the quartz scheduler that comes with JBoss. I have created a simple job
that logs a message every few minutes. Now that I have this working, I want to call a job
that requires Hibernate and Java Persistence. When I do this I get errors because the
persistence.xml file is not found in META-INF folder. I beleive this is a class path
issue. Here is the error I am getting:
12:36:00,034 INFO [Ejb3Configuration] Could not find any META-INF/persistence.xml file in
the classpath
| 12:36:00,034 WARN [UserSuppliedConnectionProvider] No connection properties specified
- the user must supply JDBC connections
| 12:36:00,034 ERROR [JobRunShell] Job default.job.0.1186166057839 threw an unhandled
Exception:
| javax.ejb.EJBTransactionRolledbackException: javax.persistence.PersistenceException:
org.hibernate.HibernateException: Hibernate Dialect must be explicitly set
| at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:93)
| at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
| at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.mdb.MessagingContainer.localInvoke(MessagingContainer.java:245)
| at
org.jboss.ejb3.mdb.inflow.MessageInflowLocalProxy.delivery(MessageInflowLocalProxy.java:268)
| at
org.jboss.ejb3.mdb.inflow.MessageInflowLocalProxy.invoke(MessageInflowLocalProxy.java:138)
| at $Proxy133.execute(Unknown Source)
| at org.jboss.resource.adapter.quartz.inflow.QuartzJob.execute(QuartzJob.java:57)
| at org.quartz.core.JobRunShell.run(JobRunShell.java:203)
| at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520)
| Caused by: javax.persistence.PersistenceException: org.hibernate.HibernateException:
Hibernate Dialect must be explicitly set
| at
org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:698)
| at
org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121)
| at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
| at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33)
| at com.idfbins.nexus.batch.GISDataBatch.init(GISDataBatch.java:42)
| at
com.idfbins.nexus.batch.GISDataBatch.assignLocationsCoordinates(GISDataBatch.java:55)
| at com.idfbins.nexus.batch.ExecuteGISBatch.execute(ExecuteGISBatch.java:34)
| 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.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
| at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
| at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:46)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
| ... 11 more
| Caused by: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set
| at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:57)
| at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:39)
| at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:409)
| at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:119)
| at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1933)
| at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1216)
| at
org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:691)
| ... 30 more
|
Here is my setting the the ejb-jar.xml:
<message-driven>
| <ejb-name>GISBatch</ejb-name>
| <ejb-class>com.idfbins.nexus.batch.ExecuteGISBatch</ejb-class>
| <messaging-type>org.quartz.Job</messaging-type>
| <transaction-type>Container</transaction-type>
| <activation-config>
| <activation-config-property>
| <activation-config-property-name>
| cronTrigger
| </activation-config-property-name>
| <activation-config-property-value>
| <![CDATA[0 */2 * * * ?]]>
| </activation-config-property-value>
| </activation-config-property>
| </activation-config>
| </message-driven>
Here is my JBoss.xml:
<?xml version="1.0" encoding="UTF-8"?>
| <jboss>
| <enterprise-beans>
| <message-driven>
| <ejb-name>QuartzTst2</ejb-name>
| <resource-adapter-name>quartz-ra.rar</resource-adapter-name>
| </message-driven>
| <message-driven>
| <ejb-name>GISBatch</ejb-name>
| <resource-adapter-name>quartz-ra.rar</resource-adapter-name>
| </message-driven>
|
| </enterprise-beans>
| </jboss>
|
Here is the class that gets scheduled. It is located inside and EAR deployed on JBoss:
package com.idfbins.nexus.batch;
|
| import javax.ejb.EJBException;
| import javax.ejb.MessageDrivenContext;
| import javax.jms.Message;
|
| import org.jboss.logging.Logger;
| import org.quartz.JobExecutionContext;
| import org.quartz.JobExecutionException;
|
| public class ExecuteGISBatch {
|
| /**
| * @param args
| */
| /*
| public static void main(String[] args) {
| // TODO Auto-generated method stub
| GISDataBatch batch = new GISDataBatch();
| batch.assignLocationsCoordinates();
| }
| */
|
| private static final Logger log = Logger.getLogger(QuartzTst2.class);
|
| public void execute(JobExecutionContext jobExecutionContext)
| throws JobExecutionException {
| log.info("Executing GIS Batch");
| log.info("class path="+System.getProperty(
| "java.class.path"
| ));
|
| GISDataBatch batch = new GISDataBatch();
| batch.assignLocationsCoordinates();
| }
|
| /**
| * *
| *
| * @see javax.ejb.MessageDrivenBean#ejbRemove() *
| * @throws EJBException
| */
| public void ejbRemove() throws EJBException {
| }
|
| /**
| * *
| *
| * @see
javax.ejb.MessageDrivenBean#setMessageDrivenContext(javax.ejb.MessageDrivenContext) *
| * @param context *
| * @throws EJBException
| */
| public void setMessageDrivenContext(MessageDrivenContext context)
| throws EJBException {
| }
|
| /**
| * *
| *
| * @see javax.jms.MessageListener#onMessage(javax.jms.Message) *
| * @param message
| */
| public void onMessage(Message message) {
| }
|
| public void ejbCreate() {
| log.info("GIS Batch job created");
| }
|
| }
I have read that if I set the Quartz property: useClassLoaderOfInitializer to true then it
will use the JBoss class loader and everything should be on the classpath. If this is
correct, I just need to know where to update or create the quartz.properties file. If I am
incorrect I need to find a way to make sure that when the job is run that everything in my
EAR is in the classpath. What is the best way to do this?
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