I have my JbpmTemplate configured correctly in my spring application context
and I can inject it into my Spring controllers and other beans, but I am having
troubles with LazyInitializationExceptions when using the
JbpmTemplate.findProcessInstance(long id) method.
The test code is like that:
===================
public class TestProcessServiceImpl extends TestCase {
private ApplicationContext applicationContext;
private JbpmTemplate jbpmTemplate;
protected void setUp() throws Exception {
super.setUp();
applicationContext = new ClassPathXmlApplicationContext("platform_workflow_
manager_local.xml");
out.println("Creating ApplicationContex-------"+applicationContext );
jbpmTemplate = (JbpmTemplate)applicationContext.getBean("jbpmTemp late");
}
public void testTemplate(){
ProcessInstance p =jbpmTemplate.findProcessInstance(1L);
out.println("======="+p.getId());
}
}
it throws exceptions:
ERROR [org.hibernate.LazyInitializationException] - <could not initialize proxy
- the owning Session was closed>
org.hibernate.LazyInitializationException: could not initialize proxy - the
owning Session was closed
at org.hibernate.proxy.AbstractLazyInitializer.initia
lize(AbstractLazyInitializer.java:60)
at org.hibernate.proxy.AbstractLazyInitializer.getImp
lementation(AbstractLazyInitializer.java:111)
at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitialize
r.invoke(CGLIBLazyInitializer.java:150)
at org.jbpm.graph.exe.ProcessInstance$$EnhancerByCGLI B$$5d7ec21a.toString()
============
And the config files likes:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd";>
<beans default-autowire="no" default-lazy-init="false"
default-dependency-check="none">
net.sourceforge.jtds.jdbc.Driver
jdbc:jtds:sqlserver://localhost:1433/jbpmdemo
sa
sa
<!-- Hibernate SessionFactory -->
classpath:workflow/hibernate.cfg.xml
<!-- TODO -->
org.hibernate.dialect.SQLServerDialect
true
<!--
org.hibernate.cache.HashtableCacheProvider
-->
org.hibernate.cache.EhCacheProvider
org.hibernate.hql.ast.ASTQueryTranslatorFactory
<!-- Transaction manager for a single Hibernate SessionFactory (alternative to
JTA) -->
<constructor-arg index="0" ref="jbpmConfiguration" />
========
Any suggestions why i might be experiencing these errors?
thanks in advance
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