1:01 p.m.
I've been following along with an example using EJB3/JBOSS from the book
Beginning Java EE 5 Platform and don't know why JBoss is complaining about an
annotated private instance of an Entity Manager.
I was wondering if anyone can let me know where I am going wrong.
Here is the code:
| package beans;
|
| import javax.persistence.Entity;
| import java.io.Serializable;
| import javax.persistence.Id;
|
| @Entity
| public class Stock implements Serializable {
| // The persistent fields
| private String tickerSymbol;
| private String name;
|
| // Constructors
| public Stock() {}
| public Stock(String tickerSymbol, String name) {
| this.tickerSymbol = tickerSymbol;
| this.name = name;
| }
|
| // The access methods for persistent fields
| // tickerSymbol is the id
| @Id
| public String getTickerSymbol() {
| return tickerSymbol;
| }
|
| public void setTickerSymbol(String tickerSymbol) {
| this.tickerSymbol = tickerSymbol;
| }
|
| public String getName() {
| return name;
| }
|
| public void setName(String name) {
| this.name = name;
| }
| }
|
| package beans;
|
| import javax.ejb.Remote;
|
| @Remote
| public interface StockList {
| // The public business methods on the StockList bean
| public String getStock(String ticker);
| public void addStock(String ticker, String name);
| public void updateStock(String ticker, String name);
| public void deleteStock(String ticker);
| }
|
| package beans;
|
| import beans.Stock;
| import javax.persistence.PersistenceContext;
| import javax.ejb.Stateless;
| import javax.persistence.EntityManager;
|
| @Stateless
| public class StockListBean implements StockList {
|
| // The reference to the entity manager
| @PersistenceContext
| private EntityManager _manager;
|
| // The public business methods. These must be coded in the
| // interface also
|
| public String getStock(String ticker) {
| Stock stock = _manager.find(Stock.class, ticker);
| return stock.getName();
| }
|
| public void addStock(String ticker, String name) {
| _manager.persist(new Stock(ticker, name));
| }
|
| public void updateStock(String ticker, String name) {
| Stock stock = _manager.find(Stock.class, ticker);
| stock.setName(name);
| }
|
| public void deleteStock(String ticker) {
| Stock stock = _manager.find(Stock.class, ticker);
| _manager.remove(stock);
| }
| }
|
I've deployed a jar called StockListApp.ejb3 with the classes compiled from this code
and come up against the following error
------
2008-03-06 18:35:55,671 DEBUG [org.jboss.deployment.MainDeployer] Begin deployment start
file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3
2008-03-06 18:35:55,671 DEBUG [org.jboss.ejb3.EJB3Deployer] start application,
deploymentInfo: org.jboss.deployment.DeploymentInfo@fe1c38ab {
url=file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3 }
deployer: MBeanProxyExt[jboss.ejb3:service=EJB3Deployer]
status: Starting
state: START_DEPLOYER
watch: file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3
altDD: null
lastDeployed: 1204828555656
lastModified: 1204828555656
mbeans:
, short name: StockListApp.ejb3, parent short name: null
2008-03-06 18:35:55,671 DEBUG [org.jboss.system.ServiceController] starting service
jboss.j2ee:service=EJB3,module=StockListApp.ejb3
2008-03-06 18:35:55,671 DEBUG [org.jboss.ejb3.Ejb3Module] Starting
jboss.j2ee:service=EJB3,module=StockListApp.ejb3
2008-03-06 18:35:55,671 DEBUG [org.jboss.system.ServiceController] stopping service:
jboss.j2ee:jar=StockListApp.ejb3,name=StockListBean,service=EJB3
2008-03-06 18:35:55,671 WARN [org.jboss.system.ServiceController] Ignoring request to
stop nonexistent service:
jboss.j2ee:jar=StockListApp.ejb3,name=StockListBean,service=EJB3
2008-03-06 18:35:55,671 DEBUG [org.jboss.system.ServiceController] destroying service:
jboss.j2ee:jar=StockListApp.ejb3,name=StockListBean,service=EJB3
2008-03-06 18:35:55,671 WARN [org.jboss.system.ServiceController] Ignoring request to
destroy nonexistent service:
jboss.j2ee:jar=StockListApp.ejb3,name=StockListBean,service=EJB3
2008-03-06 18:35:55,671 WARN [org.jboss.ejb3.JmxKernelAbstraction]
jboss.j2ee:jar=StockListApp.ejb3,name=StockListBean,service=EJB3 is not registered
2008-03-06 18:35:55,671 DEBUG [org.jboss.ejb3.Ejb3Module] Starting failed
jboss.j2ee:service=EJB3,module=StockListApp.ejb3
java.lang.RuntimeException: Illegal @PersistenceUnit on private
javax.persistence.EntityManager beans.StockListBean._manager :There is no default
persistence unit in this deployment.
at
org.jboss.injection.PersistenceContextHandler.handleFieldAnnotations(PersistenceContextHandler.java:182)
at org.jboss.injection.InjectionUtil.processFieldAnnotations(InjectionUtil.java:137)
at org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:174)
at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:358)
at org.jboss.ejb3.SessionContainer.processMetadata(SessionContainer.java:140)
at org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:292)
at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:356)
at org.jboss.ejb3.Ejb3Module.startService(Ejb3Module.java:91)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
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:597)
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.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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 $Proxy33.start(Unknown Source)
at org.jboss.ejb3.EJB3Deployer.start(EJB3Deployer.java:512)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
at
org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
at
org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:87)
at
org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
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 $Proxy34.start(Unknown Source)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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 $Proxy9.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$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)
2008-03-06 18:35:55,671 WARN [org.jboss.system.ServiceController] Problem starting
service jboss.j2ee:service=EJB3,module=StockListApp.ejb3
java.lang.RuntimeException: Illegal @PersistenceUnit on private
javax.persistence.EntityManager beans.StockListBean._manager :There is no default
persistence unit in this deployment.
at
org.jboss.injection.PersistenceContextHandler.handleFieldAnnotations(PersistenceContextHandler.java:182)
at org.jboss.injection.InjectionUtil.processFieldAnnotations(InjectionUtil.java:137)
at org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:174)
at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:358)
at org.jboss.ejb3.SessionContainer.processMetadata(SessionContainer.java:140)
at org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:292)
at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:356)
at org.jboss.ejb3.Ejb3Module.startService(Ejb3Module.java:91)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at
org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
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:597)
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.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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 $Proxy33.start(Unknown Source)
at org.jboss.ejb3.EJB3Deployer.start(EJB3Deployer.java:512)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at
org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
at
org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
at
org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:87)
at
org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
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 $Proxy34.start(Unknown Source)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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 $Proxy9.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner$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)
2008-03-06 18:35:55,765 INFO [org.jboss.ejb3.EJB3Deployer] Deployed:
file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3
2008-03-06 18:35:55,765 DEBUG [org.jboss.deployment.MainDeployer] End deployment start on
package: StockListApp.ejb3
2008-03-06 18:35:55,765 DEBUG [org.jboss.deployment.MainDeployer] Deployed package:
file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3
2008-03-06 18:35:55,765 DEBUG [org.jboss.deployment.scanner.URLDeploymentScanner] Watch
URL for: file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3 ->
file:/C:/apps/jboss-4.2.2.GA/server/all/deploy/StockListApp.ejb3
2008-03-06 18:35:55,765 ERROR [org.jboss.deployment.scanner.URLDeploymentScanner]
Incomplete Deployment listing:
--- MBeans waiting for other MBeans ---
ObjectName: jboss.j2ee:service=EJB3,module=StockListApp.ejb3
State: FAILED
Reason: java.lang.RuntimeException: Illegal @PersistenceUnit on private
javax.persistence.EntityManager beans.StockListBean._manager :There is no default
persistence unit in this deployment.
--- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
ObjectName: jboss.j2ee:service=EJB3,module=StockListApp.ejb3
State: FAILED
Reason: java.lang.RuntimeException: Illegal @PersistenceUnit on private
javax.persistence.EntityManager beans.StockListBean._manager :There is no default
persistence unit in this deployment.
-----
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