Well, I have configured a test app to use hibernate and I have a few
problems (and a bit of success):
I was able to get the same code working from a servlet, but when
trying to get data I get an exception when running from a @Service (in
the @PostConstruct method):
[21:26:06.430] {main} java.lang.IllegalStateException:
EntityManagerTransactionProxy[test,null]: @PersistenceContext
EntityManager may not be used outside of a transaction
[21:26:06.430] {main} at
com.caucho.amber.manager.EntityManagerTransactionProxy.getCurrent(EntityManagerTransactionProxy.java:408)
[21:26:06.430] {main} at
com.caucho.amber.manager.EntityManagerTransactionProxy.createQuery(EntityManagerTransactionProxy.java:193)
[21:26:06.430] {main} at
test2.services.InitDBService.checkDBandInit(InitDBService.java:47)
[21:26:06.430] {main} at
test2.services.InitDBService.postConstruct(InitDBService.java:36)
[21:26:06.430] {main} at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[21:26:06.430] {main} at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[21:26:06.430] {main} at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[21:26:06.430] {main} at java.lang.reflect.Method.invoke(Method.java:597)
[21:26:06.430] {main} at
com.caucho.config.j2ee.PostConstructProgram.inject(PostConstructProgram.java:121)
[21:26:06.430] {main} at
com.caucho.config.inject.ComponentImpl.init(ComponentImpl.java:344)
[21:26:06.430] {main} at
com.caucho.config.inject.SimpleBean.create(SimpleBean.java:421)
[21:26:06.430] {main} at
com.caucho.config.scope.ScopeContext.get(ScopeContext.java:90)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.getInstanceRec(InjectManager.java:1331)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.getInstance(InjectManager.java:1288)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.getInstance(InjectManager.java:1345)
[21:26:06.430] {main} at
com.caucho.server.webbeans.ResinWebBeansProducer.serviceStartup(ResinWebBeansProducer.java:167)
[21:26:06.430] {main} at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[21:26:06.430] {main} at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[21:26:06.430] {main} at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[21:26:06.430] {main} at java.lang.reflect.Method.invoke(Method.java:597)
[21:26:06.430] {main} at
com.caucho.config.event.ObserverImpl.notify(ObserverImpl.java:191)
[21:26:06.430] {main} at
com.caucho.config.inject.ObserverMap.fireEvent(ObserverMap.java:82)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEventImpl(InjectManager.java:1559)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEventImpl(InjectManager.java:1540)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEventImpl(InjectManager.java:1540)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEventImpl(InjectManager.java:1540)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEventImpl(InjectManager.java:1540)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.fireEvent(InjectManager.java:1534)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.registerBean(InjectManager.java:2066)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.registerBean(InjectManager.java:2044)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.registerBean(InjectManager.java:2047)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.startServices(InjectManager.java:2013)
[21:26:06.430] {main} at
com.caucho.config.inject.InjectManager.environmentStart(InjectManager.java:1993)
[21:26:06.430] {main} at
com.caucho.loader.EnvironmentClassLoader.start(EnvironmentClassLoader.java:703)
[21:26:06.430] {main} at
com.caucho.server.webapp.WebApp.start(WebApp.java:2021)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployController.startImpl(DeployController.java:678)
[21:26:06.430] {main} at
com.caucho.server.deploy.StartAutoRedeployAutoStrategy.startOnInit(StartAutoRedeployAutoStrategy.java:72)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployController.startOnInit(DeployController.java:549)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployContainer.start(DeployContainer.java:160)
[21:26:06.430] {main} at
com.caucho.server.webapp.WebAppContainer.startImpl(WebAppContainer.java:681)
[21:26:06.430] {main} at com.caucho.server.host.Host.startImpl(Host.java:496)
[21:26:06.430] {main} at
com.caucho.server.webapp.WebAppContainer.start(WebAppContainer.java:661)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployController.startImpl(DeployController.java:678)
[21:26:06.430] {main} at
com.caucho.server.deploy.StartAutoRedeployAutoStrategy.startOnInit(StartAutoRedeployAutoStrategy.java:72)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployController.startOnInit(DeployController.java:549)
[21:26:06.430] {main} at
com.caucho.server.deploy.DeployContainer.start(DeployContainer.java:160)
[21:26:06.430] {main} at
com.caucho.server.host.HostContainer.start(HostContainer.java:484)
[21:26:06.430] {main} at
com.caucho.server.cluster.Server.start(Server.java:1737)
[21:26:06.430] {main} at
com.caucho.server.resin.Resin.createServer(Resin.java:862)
[21:26:06.430] {main} at com.caucho.server.resin.Resin.start(Resin.java:924)
[21:26:06.430] {main} at
com.caucho.server.resin.Resin.initMain(Resin.java:1388)
[21:26:06.430] {main} at com.caucho.server.resin.Resin.main(Resin.java:1570)
trying to use entityManager.getTransaction().begin got me this exception:
java.lang.IllegalStateException: Container-manager @PersistenceContext
may not use getTransaction.
I'm guessing that the problem is that the @Service post construction
is happened too soon, maybe.
[snip]
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