[jboss-user] [JBoss Seam] - Seam and query cache error

[mgrouch]

I'm trying to get Seam to use query cache (ehcache). I've changed
action (which was initially generated by seamGen) to the code below

(extend HibernateEntityQuery and override getCacheable())

Now I'm getting "Session is null" exception. What am I missing?

Thanks


  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.framework.EntityQuery;
  | import org.jboss.seam.framework.HibernateEntityQuery;
  | 
  | import java.util.List;
  | import java.util.Arrays;
  | 
  | @Name("emailList")
  | public class EmailList extends HibernateEntityQuery {
  | 
  | 	private static final String[] RESTRICTIONS = {};
  | 
  | 	private Email email = new Email();
  | 
  | 	@Override
  | 	public String getEjbql() {
  | 		return "select email from Email email";
  | 	}
  | 
  | 	@Override
  | 	public Integer getMaxResults() {
  | 		return 25;
  | 	}
  | 
  | 	public Email getEmail() {
  | 		return email;
  | 	}
  | 
  | 	@Override
  | 	public List<String> getRestrictions() {
  | 		return Arrays.asList(RESTRICTIONS);
  | 	}
  | 
  | 	@Override
  | 	protected Boolean getCacheable() {
  | 		return true;
  | 	}
  | }
  | 

anonymous wrote : 
  | Caused by: java.lang.IllegalStateException: session is null
  | 	at org.jboss.seam.framework.HibernateEntityQuery.validate(HibernateEntityQuery.java:32)
  | 	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.seam.util.Reflections.invoke(Reflections.java:20)
  | 	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57)
  | 	at org.jboss.seam.interceptors.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:34)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:32)
  | 	at org.jboss.seam.util.Work.workInTransaction(Work.java:37)
  | 	at org.jboss.seam.interceptors.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:27)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103)
  | 	at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:151)
  | 	at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:87)
  | 	at com.lehman.primeserv.pilotapp.data.entity.PmdbFailCommentList_$$_javassist_1.validate(PmdbFailCommentList_$$_javassist_1.java)
  | 	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.seam.util.Reflections.invoke(Reflections.java:20)
  | 	at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:123)
  | 	at org.jboss.seam.Component.callComponentMethod(Component.java:1834)
  | 	at org.jboss.seam.Component.callCreateMethod(Component.java:1757)
  | 	at org.jboss.seam.Component.newInstance(Component.java:1746)
  | 	at org.jboss.seam.Component.getInstance(Component.java:1643)
  | 	at org.jboss.seam.Component.getInstance(Component.java:1610)
  | 	at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:53)
  | 	at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
  | 	at org.apache.myfaces.el.ValueBindingImpl$ELVariableResolver.resolveVariable(ValueBindingImpl.java:574)
  | 	at org.apache.commons.el.NamedValue.evaluate(NamedValue.java:124)
  | 	at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:140)
  | 	at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383)
  | 

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