2 Replies Latest reply on Jul 20, 2006 2:04 PM by renspr

env-entry injection in a @Service EJB

renspr Jul 19, 2006 4:53 AM

Hi,

I would ask how I can do an env-entry injection into an jboss @Service EJB? There are many examples how this can be done with session beans and also message driven bean. But I could not find anything how to inject a primary type resource into a @Service EJB.

I have the following test service:

@Service
public class MyTestServiceBean implements MyTestService {

 @Resource(name = "maxValue") public int maxValue = 10;

 public MyTestServiceBean() {
 System.out.println("MAX_VALUE: " + maxValue);
 }

 public void test() {
 // ...
 }

}

In ejb-jar.xml I tried something like this (which I didn't really expected to work)

<ejb-jar>
 <enterprise-beans>
 <env-entry>
 <env-entry-name>maxValue</env-entry-name>
 <env-entry-type>java.lang.Integer</env-entry-type>
 <env-entry-value>1000</env-entry-value>
 </env-entry>
 </enterprise-beans>
</ejb-jar>

I also tried many variations with <injection-target> and setting this stuff in jboss.xml. But nothing worked so far.

Thanks in advance,

René

1. Re: env-entry injection in a @Service EJB

wolfc Jul 20, 2006 1:07 PM (in response to renspr)

Please try the following:

<?xml version="1.0"?>

<ejb-jar
 xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
 http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
 version="3.0">
 <display-name>EnvEntry Tests</display-name>
 <enterprise-beans>
 <session>
 <ejb-name>TestEnvEntry</ejb-name>
 <env-entry>
 <env-entry-name>maxExceptions</env-entry-name>
 <env-entry-type>java.lang.Integer</env-entry-type>
 <env-entry-value>15</env-entry-value>
 </env-entry>
 <env-entry>
 <env-entry-name>minExceptions</env-entry-name>
 <env-entry-type>java.lang.Integer</env-entry-type>
 <env-entry-value>5</env-entry-value>
 <injection-target>
 <injection-target-class>org.jboss.ejb3.test.enventry.TestEnvEntryBean</injection-target-class>
 <injection-target-name>minExceptions</injection-target-name>
 </injection-target>
 </env-entry>
 <env-entry>
 <env-entry-name>org.jboss.ejb3.test.enventry.TestEnvEntryBean/numExceptions</env-entry-name>
 <env-entry-type>java.lang.Integer</env-entry-type>
 <env-entry-value>10</env-entry-value>
 </env-entry>
 </session>
 </enterprise-beans>
</ejb-jar>

With the first one you need:

@Resource(name="maxExceptions") private int maxExceptions;

2. Re: env-entry injection in a @Service EJB

renspr Jul 20, 2006 2:04 PM (in response to renspr)

Hi,

when I try

<?xml version="1.0"?>

<ejb-jar
 xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
 http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
 version="3.0">
 <display-name>EnvEntry Tests</display-name>
 <enterprise-beans>
 <session>
 <ejb-name>MyTestServiceBean</ejb-name>
 <env-entry>
 <env-entry-name>maxExceptions</env-entry-name>
 <env-entry-type>java.lang.Integer</env-entry-type>
 <env-entry-value>15</env-entry-value>
 </env-entry>
 </session>
 </enterprise-beans>
</ejb-jar>

together with:

@Service
public class MyTestServiceBean implements MyTestService {

 @Resource(name="maxExceptions") private int maxExceptions;

 public MyTestServiceBean() {
 System.out.println("MAX_EXCPT: " + maxExceptions);
 }
}

I'll get the following exception:

19:48:30,715 WARN [ServiceController] Problem creating service jboss.j2ee:service=EJB3,module=openstam-core-1.0dev.jar
java.lang.ClassCastException: org.jboss.ejb3.dd.SessionEnterpriseBean
 at org.jboss.ejb3.Ejb3DescriptorHandler.getServiceContainer(Ejb3DescriptorHandler.java:297)
 at org.jboss.ejb3.Ejb3AnnotationHandler.getContainers(Ejb3AnnotationHandler.java:153)
 at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:567)
 at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:555)
 at org.jboss.ejb3.Ejb3Deployment.deployUrl(Ejb3Deployment.java:536)
 at org.jboss.ejb3.Ejb3Deployment.deploy(Ejb3Deployment.java:508)
 at org.jboss.ejb3.Ejb3Deployment.create(Ejb3Deployment.java:463)
 at org.jboss.ejb3.Ejb3Module.createService(Ejb3Module.java:125)
 at org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:260)
 at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:243)
 at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
 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.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
 at $Proxy0.create(Unknown Source)
 at org.jboss.system.ServiceController.create(ServiceController.java:330)
 at org.jboss.system.ServiceController.create(ServiceController.java:273)
 at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
 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.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 at $Proxy34.create(Unknown Source)
 at org.jboss.ejb3.EJB3Deployer.create(EJB3Deployer.java:429)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
 at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
 at org.jboss.ws.integration.jboss.DeployerInterceptor.create(DeployerInterceptor.java:74)
 at org.jboss.ws.integration.jboss.DeployerInterceptorEJB.create(DeployerInterceptorEJB.java:44)
 at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.create(SubDeployerInterceptorSupport.java:180)
 at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:91)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 at $Proxy35.create(Unknown Source)
 at org.jboss.deployment.MainDeployer.create(MainDeployer.java:953)
 at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:807)
 at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
 at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
 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.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 at $Proxy6.deploy(Unknown Source)
 at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
 at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
 at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
 at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
 at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)

I'm running jboss 4.0.4GA with EJB3 RC8. I didn't expected this to work, because the ejb-jar.xml "speaks" about a session bean and I have a @Service Bean, which is a jboss specific thing.

Is this expected to work? Is this a bug? Or, is this simply not possible?

Thanks, René

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