[jBPM] - Non JPA transaction management for JBPM 5.3.0 or how to integrate JBPM with current application that use HibernateTransactionManager ?
by Anatoliy Kalenskiy
Anatoliy Kalenskiy [https://community.jboss.org/people/cybiks] created the discussion
"Non JPA transaction management for JBPM 5.3.0 or how to integrate JBPM with current application that use HibernateTransactionManager ?"
To view the discussion, visit: https://community.jboss.org/message/757060#757060
--------------------------------------------------------------
Hi all,
I have an application - Spring+Hibernate.
All transactions management described in spring config:
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="dataSource" ref="dataSource"/>
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- enables the configuration of transactional behavior based on annotations -->
<tx:annotation-driven transaction-manager="transactionManager"/>
So in code we just use:
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void handleEvent(Event event) {
List<EventAction> eventActions = event.getEventactions();
for(EventAction action : eventActions) {
actions.run();
}
}
So all actions runs in one transaction. Now we want to use JBPM process to run such actions.
We create some jbpm process com.example.process and rewrite our code to :
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void handleEvent(Event event) {
List<EventAction> eventActions = event.getEventactions();
Map<String, EventAction> actions = new HashMap<String, EventAction>();
for(EventAction action : eventActions) {
actions.put(action.getDisplayName(), action);
}
Map<String, Object> params = new HashMap<String, Object>();
params.put("event", event);
params.put("actions", actions);
ksession.startProcess("com.example.process", params);
}
The main Idea to run each actions in order depending on some specisic order (by DisplayName). So my diagram of the process consist of sequential Service task which hadler looks like:
public class EventActionHandler implements WorkItemHandler {
@Override
public void executeWorkItem(WorkItem workItem, WorkItemManager workItemManager) {
String displayName= (String) workItem.getParameter("DisplayName");
Map<String, EventAction> actions = ( Map<String, EventAction>) workItem.getParameter("actions");
try {
(actions.get(displayName)).run();
System.out.println("run "+displayName+" done");
} catch (Exception e) {
System.out.println("Exception "+displayName+" : " + e);
}
workItemManager.completeWorkItem(workItem.getId(),null);
}
...
}
So each Service Task has it display name and this display name defines order . All works fine. I even can debug it. But now I want to see current status of the process -which one Service Task is executing now.
I what to use for it JBPM console. I have configured all war-s from jbpm-installer_5.3.0 to use my Oracle schema. And I can see my process in JBPM Console -> process-> Process Overview .
But I whant to see current instances of such processes. As I understand (to store in DB nessesary data for process instancess) I should do steps described in :
jbpm-5.3.0.Final-docs/jbpm-docs/html_single/index.html
h2. 19.3. Spring
After words :
The following example shows a slightly more complex example, where the session is configured to use persistence (JPA using an in-memory database) and transaction (using the Spring transaction manager).
I've done it and my configuration is:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jbpm="http://drools.org/schema/drools-spring"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://drools.org/schema/drools-spring http://drools.org/schema/drools-spring.xsd ">
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="persistenceUnitName" value="org.jbpm.persistence.jpa"/>
</bean>
<bean id="JPAtxManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<jbpm:kbase id="kbase">
<jbpm:resources>
<jbpm:resource type="BPMN2" source="classpath:Events.bpmn"/>
</jbpm:resources>
</jbpm:kbase>
<jbpm:ksession id="ksession" type="stateful" kbase="kbase">
<jbpm:configuration>
<jbpm:work-item-handlers>
<jbpm:work-item-handler name="Event Action" ref="eventActionHandler"/>
</jbpm:work-item-handlers>
<jbpm:jpa-persistence>
<jbpm:transaction-manager ref="JPAtxManager"/>
<jbpm:entity-manager-factory ref="entityManagerFactory"/>
</jbpm:jpa-persistence>
</jbpm:configuration>
</jbpm:ksession>
<bean id="eventActionHandler" class="com.example.events.EventActionHandler">
</bean>
</beans>
As you can see I use the same datasource as used in my application .
My persistance file is:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<persistence version="1.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd
http://java.sun.com/xml/ns/persistence/orm
http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/persistence">
<persistence-unit name="org.jbpm.persistence.jpa" >
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<mapping-file>META-INF/JBPMorm.xml</mapping-file>
<mapping-file>META-INF/ProcessInstanceInfo.hbm.xml</mapping-file>
<class>org.drools.persistence.info.SessionInfo</class>
<class>org.jbpm.persistence.processinstance.ProcessInstanceInfo</class>
<class>org.drools.persistence.info.WorkItemInfo</class>
<properties>
<property name="hibernate.max_fetch_depth" value="3"/>
<property name="hibernate.hbm2ddl.auto" value="update"/>
<property name="hibernate.show_sql" value="false"/>
<property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>
</properties>
</persistence-unit>
</persistence>
When I launch JBOSS I can see:
19:24:14,006 WARN [org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager] (eventProcessingTimerFactoryBean) Unable to begin transaction: java.lang.NullPointerException
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:696) [spring-tx-3.1.1.RELEASE.jar:3.1.1.RELEASE]
at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.getStatus(DroolsSpringTransactionManager.java:131) [drools-spring-5.4.0.Final.jar:5.4.0.Final]
at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.begin(DroolsSpringTransactionManager.java:45) [drools-spring-5.4.0.Final.jar:5.4.0.Final]
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:347) [drools-persistence-jpa-5.4.0.Final.jar:5.4.0.Final]
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223) [drools-core-5.4.0.Final.jar:5.4.0.Final]
at com.example.EventHandlerImpl.EventHandlerImpl.handleEvent(EventHandlerImpl.java:84) [classes:]
at sun.reflect.GeneratedMethodAccessor658.invoke(Unknown Source) [:1.6.0_29]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [rt.jar:1.6.0_29]
at java.lang.reflect.Method.invoke(Method.java:597) [rt.jar:1.6.0_29]
...
19:24:14,065 ERROR [org.drools.persistence.SingleSessionCommandService] (eventProcessingTimerFactoryBean) Could not commit session: java.lang.RuntimeException: Unable to begin transaction
at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.begin(DroolsSpringTransactionManager.java:56) [drools-spring-5.4.0.Final.jar:5.4.0.Final]
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:347) [drools-persistence-jpa-5.4.0.Final.jar:5.4.0.Final]
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223) [drools-core-5.4.0.Final.jar:5.4.0.Final]
at om.example.EventHandlerImpl.EventHandlerImpl.handleEvent(EventHandlerImpl.java:84) [classes:]
...
Caused by: java.lang.NullPointerException
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:696) [spring-tx-3.1.1.RELEASE.jar:3.1.1.RELEASE]
at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.getStatus(DroolsSpringTransactionManager.java:131) [drools-spring-5.4.0.Final.jar:5.4.0.Final]
at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.begin(DroolsSpringTransactionManager.java:45) [drools-spring-5.4.0.Final.jar:5.4.0.Final]
... 40 more
19:24:17,761 ERROR [stderr] (eventProcessingTimerFactoryBean) java.lang.RuntimeException: Unable to begin transaction
19:24:17,765 ERROR [stderr] (eventProcessingTimerFactoryBean) at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.begin(DroolsSpringTransactionManager.java:56)
19:24:17,767 ERROR [stderr] (eventProcessingTimerFactoryBean) at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:347)
19:24:17,769 ERROR [stderr] (eventProcessingTimerFactoryBean) at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)
..
19:24:17,771 ERROR [stderr] (eventProcessingTimerFactoryBean) at eterra.ca.core.gate.alternative.impl.GateEventHandlerImpl.handleGateEventJBPM(GateEventHandlerImpl.java:141)
19:24:17,775 ERROR [stderr] (eventProcessingTimerFactoryBean) at eterra.ca.core.gate.alternative.impl.GateEventHandlerImpl.handleGateEvent(GateEventHandlerImpl.java:84)
19:24:17,777 ERROR [stderr] (eventProcessingTimerFactoryBean) at sun.reflect.GeneratedMethodAccessor658.invoke(Unknown Source)
19:24:17,779 ERROR [stderr] (eventProcessingTimerFactoryBean) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
19:24:17,781 ERROR [stderr] (eventProcessingTimerFactoryBean) at java.lang.reflect.Method.invoke(Method.java:597)
19:24:17,841 ERROR [stderr] (gateProcessingTimerFactoryBean) Caused by: java.lang.NullPointerException
19:24:17,842 ERROR [stderr] (gateProcessingTimerFactoryBean) at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:696)
19:24:17,844 ERROR [stderr] (gateProcessingTimerFactoryBean) at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.getStatus(DroolsSpringTransactionManager.java:131)
19:24:17,846 ERROR [stderr] (gateProcessingTimerFactoryBean) at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.begin(DroolsSpringTransactionManager.java:45)
19:24:17,847 ERROR [stderr] (gateProcessingTimerFactoryBean) ... 40 more
So what should I do with it? Looks like problems is in two dirfferent transaction managers. How can I configure in spring to use one TM for both application and JBPM stuff?
Looks like <jbpm:configuration> has only <jbpm:jpa-persistence> tag inside ? How can I configure my application in right way?
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13 years, 7 months
[jBPM] - Where to put the Drl Rules in the JBPM Process?
by Sadiroveski S
Sadiroveski S [https://community.jboss.org/people/sadiroveski] created the discussion
"Where to put the Drl Rules in the JBPM Process?"
To view the discussion, visit: https://community.jboss.org/message/756873#756873
--------------------------------------------------------------
Hello,
I am using JBPM 5.3 and I finished designing the process and the business rules and put them in Guvnor.
1- I want to ask how can I link the Process/Task with the business rules written in drools expert? In eclipse, in the gateway properties under constraints there is (Type: "rule" or "Code). How can I put the rule here.
2- Another location is guvnor, if I click on the sequence flow (Next to gateway), in the properities there's condition where I can select "Drools" or "Java". If I select "Drools" what should be the condition expression??
3- Is there another place to put the Jboss rules?
Is it possible to build an application with JBPM and Drools rules without writing any java code in eclipse (using Designer-Guvnor-FormBuilder-Expert-JBPMConsole)?
Thanks in advance,
--------------------------------------------------------------
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13 years, 7 months
[Beginner's Corner] - Can't connect jmx remote to jboss as 7.1.1
by Anton Yanchev
Anton Yanchev [https://community.jboss.org/people/micros] created the discussion
"Can't connect jmx remote to jboss as 7.1.1"
To view the discussion, visit: https://community.jboss.org/message/757019#757019
--------------------------------------------------------------
Hi
I'm trying to conect remote to jmx jboss as 7
i'm adding hostname and default port 9999
*protocol:* remote
*context factory:* org.jboss.naming.remote.client.InitialContextFactory
*Connector name:jmx/rmi/RMIAdaptor*
my sistem generates this URL for connection: service:jmx:remoting-jmx://lnz-jboss7:9999
i connected successfully on jnconsole with the same URL: service:jmx:remoting-jmx://lnz-jboss7:9999
I received this exception
com.segue.monitoring.jmx.common.exception.RtException: Unable to connect
at com.segue.monitoring.jmx.common.gui.swt.JMXSWTRunner.connect(JMXSWTRunner.java:312)
Caused by: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
java.rmi.RemoteException: Failed to create remoting connection
javax.naming.NamingException: Failed to create remoting connection [Root exception is org.jboss.remoting3.UnknownURISchemeException: No connection provider for URI scheme "service" is installed]
at org.jboss.naming.remote.client.ClientUtil.namingException(ClientUtil.java:36)
at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:121)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307)
at javax.naming.InitialContext.init(InitialContext.java:242)
at javax.naming.InitialContext.<init>(InitialContext.java:216)
at com.segue.monitoring.jmx.common.runtime.DataSourceBase.createContext(DataSourceBase.java:41)
at com.segue.monitoring.jmx.jboss.datasource.JBossDataSource.bootstrap(Unknown Source)
at com.segue.monitoring.jmx.common.runtime.RemoteDataSourceBase.bootstrap(RemoteDataSourceBase.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: org.jboss.remoting3.UnknownURISchemeException: No connection provider for URI scheme "service" is installed
at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:265)
at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:251)
at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:349)
at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:333)
at org.jboss.naming.remote.client.EndpointCache$EndpointWrapper.connect(EndpointCache.java:105)
at org.jboss.naming.remote.client.NamingStoreCache.getRemoteNamingStore(NamingStoreCache.java:55)
at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateCachedNamingStore(InitialContextFactory.java:166)
at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateNamingStore(InitialContextFactory.java:139)
at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:104)
... 22 more
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:353)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown Source)
at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at com.segue.monitoring.jmx.jboss.datasource.RemoteDataSource_Stub.bootstrap(Unknown Source)
at com.segue.monitoring.jmx.common.client.RemoteDataSourceClient.bootstrap(RemoteDataSourceClient.java:265)
at com.segue.monitoring.jmx.common.gui.swt.JMXSWTRunner.connect(JMXSWTRunner.java:301)
Caused by: java.rmi.RemoteException: Failed to create remoting connection
javax.naming.NamingException: Failed to create remoting connection [Root exception is org.jboss.remoting3.UnknownURISchemeException: No connection provider for URI scheme "service" is installed]
at org.jboss.naming.remote.client.ClientUtil.namingException(ClientUtil.java:36)
at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:121)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307)
at javax.naming.InitialContext.init(InitialContext.java:242)
at javax.naming.InitialContext.<init>(InitialContext.java:216)
at com.segue.monitoring.jmx.common.runtime.DataSourceBase.createContext(DataSourceBase.java:41)
at com.segue.monitoring.jmx.jboss.datasource.JBossDataSource.bootstrap(Unknown Source)
at com.segue.monitoring.jmx.common.runtime.RemoteDataSourceBase.bootstrap(RemoteDataSourceBase.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: org.jboss.remoting3.UnknownURISchemeException: No connection provider for URI scheme "service" is installed
at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:265)
at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:251)
at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:349)
at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:333)
at org.jboss.naming.remote.client.EndpointCache$EndpointWrapper.connect(EndpointCache.java:105)
at org.jboss.naming.remote.client.NamingStoreCache.getRemoteNamingStore(NamingStoreCache.java:55)
at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateCachedNamingStore(InitialContextFactory.java:166)
at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateNamingStore(InitialContextFactory.java:139)
at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:104)
... 22 more
at com.segue.monitoring.jmx.common.runtime.RemoteDataSourceBase.bootstrap(RemoteDataSourceBase.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
thanks in advance
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13 years, 7 months