Bonjour à tous,
Je voudrais créer un ejb (mon premier) qui me log des informations sur mon serveur. Je voudrais utiliser l'API Log4J. Je travaille sur éclipse, j'ai donc créer un "Entreprise Application Projet".
Voici la code du Session Bean:
Ce code est inspiré de ce blog
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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45 import java.net.URL; import javax.annotation.PostConstruct; import javax.ejb.LocalBean; import javax.ejb.Singleton; import javax.ejb.Startup; import org.apache.log4j.Logger; import org.apache.log4j.xml.DOMConfigurator; /** * Session Bean implementation class Log4jStartupBean */ @Singleton @LocalBean @Startup public class Log4jStartupBean { private static final String LOG4J_XML = "/log4j.xml"; private Logger logger = null; /** * Default constructor. */ public Log4jStartupBean() { } @PostConstruct public void startup() { URL url = this.getClass().getResource(LOG4J_XML); if(url==null || url.getFile().length()==0){ throw new RuntimeException("Log4j config file "+ LOG4J_XML +" not found"); } DOMConfigurator.configure(url); logger = Logger.getLogger(this.getClass()); logger.info("logger initialized with " + LOG4J_XML + "..."); } public void shutdown(){ logger.info("logger initialized with "+ LOG4J_XML + " shutdown"); }
Mon problème est que lorsque je lance mon serveur, mon EJB démarre, mais j'ai une erreur
Tout d'abord, je tiens à signaler que je n'ai pas du tout la même architecture que celle présenté dans le blog; Ensuite j'ai essayé de changer plusieurs fois le path du fichier ou alors de déplacer le fichier dans différents répertoires (META-INF par exemple) mais sans succès.
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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143 16:37:31,995 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] Error installing to Start: name=startup-singleton-initiator:topLevelUnit=EJB_TEST.jar,unit=EJB_TEST.jar,bean=Log4jStartupBean aliases=[startup-singleton-initiator:bean=Log4jStartupBean,topLevelUnit=EJB_TEST.jar,unit=EJB_TEST.jar] state=Create: java.lang.RuntimeException: Could not invoke PostConstruct on the newly created bean instance at org.jboss.ejb3.singleton.impl.container.SingletonEJBInstanceManagerImpl.create(SingletonEJBInstanceManagerImpl.java:137) [:1.0.0-alpha-28] at org.jboss.ejb3.singleton.impl.container.SingletonEJBInstanceManagerImpl.get(SingletonEJBInstanceManagerImpl.java:152) [:1.0.0-alpha-28] at org.jboss.ejb3.singleton.deployer.StartupSingletonInitiator.start(StartupSingletonInitiator.java:84) [:1.0.0-alpha-28] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_24] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at java.lang.reflect.Method.invoke(Unknown Source) [:1.6.0_24] at org.jboss.reflect.plugins.introspection.ReflectionUtils.invoke(ReflectionUtils.java:60) [jboss-reflect.jar:2.2.0.GA] at org.jboss.reflect.plugins.introspection.ReflectMethodInfoImpl.invoke(ReflectMethodInfoImpl.java:168) [jboss-reflect.jar:2.2.0.GA] at org.jboss.joinpoint.plugins.BasicMethodJoinPoint.dispatch(BasicMethodJoinPoint.java:66) [jboss-reflect.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.KernelControllerContextAction$JoinpointDispatchWrapper.execute(KernelControllerContextAction.java:257) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.ExecutionWrapper.execute(ExecutionWrapper.java:47) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchExecutionWrapper(KernelControllerContextAction.java:125) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchJoinPoint(KernelControllerContextAction.java:72) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.LifecycleAction.installActionInternal(LifecycleAction.java:202) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42) [jboss-kernel.jar:2.2.0.GA] at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:894) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:641) [jboss-dependency.jar:2.2.0.GA] at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:182) [:2.2.0.GA] at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:58) [:2.2.0.GA] at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62) [:2.2.0.GA] at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:55) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:179) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1832) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1550) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1571) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1491) [:2.2.0.GA] at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.change(DeployersImpl.java:1983) [:2.2.0.GA] at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:1076) [:2.2.0.GA] at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:679) [:2.2.0.GA] at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.process(MainDeployerPlugin.java:106) [:6.0.0.Final] at org.jboss.profileservice.dependency.ProfileControllerContext$DelegateDeployer.process(ProfileControllerContext.java:143) [:0.2.2] at org.jboss.profileservice.dependency.ProfileDeployAction.deploy(ProfileDeployAction.java:151) [:0.2.2] at org.jboss.profileservice.dependency.ProfileDeployAction.installActionInternal(ProfileDeployAction.java:94) [:0.2.2] at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54) [jboss-kernel.jar:2.2.0.GA] at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42) [jboss-kernel.jar:2.2.0.GA] at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.GA] at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.GA] at org.jboss.profileservice.dependency.ProfileActivationWrapper$BasicProfileActivation.start(ProfileActivationWrapper.java:190) [:0.2.2] at org.jboss.profileservice.dependency.ProfileActivationWrapper.start(ProfileActivationWrapper.java:87) [:0.2.2] at org.jboss.profileservice.dependency.ProfileActivationService.activateProfile(ProfileActivationService.java:215) [:0.2.2] at org.jboss.profileservice.dependency.ProfileActivationService.activate(ProfileActivationService.java:159) [:0.2.2] at org.jboss.profileservice.AbstractProfileService.activateProfile(AbstractProfileService.java:154) [:0.2.2] at org.jboss.system.tools.ProfileServiceToolsFacade.addURI(ProfileServiceToolsFacade.java:233) [:6.0.0.Final] at org.jboss.system.tools.LegacyDeploymentScannerAdapter.addURL(LegacyDeploymentScannerAdapter.java:140) [:6.0.0.Final] at org.jboss.system.tools.DeploymentScanner.addURL(DeploymentScanner.java:91) [:6.0.0.Final] at org.jboss.system.tools.DeploymentScanner.addURL(DeploymentScanner.java:83) [:6.0.0.Final] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_24] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at java.lang.reflect.Method.invoke(Unknown Source) [:1.6.0_24] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) [:6.0.0.GA] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) [:6.0.0.GA] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) [:6.0.0.GA] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:271) [:6.0.0.GA] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:670) [:6.0.0.GA] at org.jboss.system.server.jmx.MBeanServerWrapper.invoke(MBeanServerWrapper.java:138) [:6.0.0.Final (Build SVNTag:JBoss_6.0.0.Final date: 20101228)] at javax.management.remote.rmi.RMIConnectionImpl.doOperation(Unknown Source) [:1.6.0_24] at javax.management.remote.rmi.RMIConnectionImpl.access$200(Unknown Source) [:1.6.0_24] at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(Unknown Source) [:1.6.0_24] at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(Unknown Source) [:1.6.0_24] at javax.management.remote.rmi.RMIConnectionImpl.invoke(Unknown Source) [:1.6.0_24] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_24] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at java.lang.reflect.Method.invoke(Unknown Source) [:1.6.0_24] at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source) [:1.6.0_24] at sun.rmi.transport.Transport$1.run(Unknown Source) [:1.6.0_24] at java.security.AccessController.doPrivileged(Native Method) [:1.6.0_24] at sun.rmi.transport.Transport.serviceCall(Unknown Source) [:1.6.0_24] at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source) [:1.6.0_24] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Source) [:1.6.0_24] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source) [:1.6.0_24] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) [:1.6.0_24] at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [:1.6.0_24] at java.lang.Thread.run(Unknown Source) [:1.6.0_24] Caused by: java.lang.RuntimeException: javax.ejb.EJBException: java.lang.RuntimeException: Log4j config file /log4j.xml not found at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.invokeCallback(AOPBasedSingletonContainer.java:1063) [:1.0.0-alpha-28] at org.jboss.ejb3.EJBContainer.invokePostConstruct(EJBContainer.java:1396) [:1.7.17] at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.postConstruct(AOPBasedSingletonContainer.java:760) [:1.0.0-alpha-28] at org.jboss.ejb3.singleton.impl.container.SingletonEJBInstanceManagerImpl.create(SingletonEJBInstanceManagerImpl.java:133) [:1.0.0-alpha-28] ... 102 more Caused by: javax.ejb.EJBException: java.lang.RuntimeException: Log4j config file /log4j.xml not found at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:183) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:251) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.requiresNew(CMTTxInterceptor.java:392) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invoke(CMTTxInterceptor.java:211) [:0.0.1] at org.jboss.ejb3.tx2.aop.CMTTxInterceptorWrapper.invoke(CMTTxInterceptorWrapper.java:52) [:0.0.1] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) [:1.0.0.GA] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.core.context.CurrentInvocationContextInterceptor.invoke(CurrentInvocationContextInterceptor.java:47) [:1.7.17] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor.setup(InvocationContextInterceptor.java:90) [:1.1.3] at org.jboss.aop.advice.org.jboss.ejb3.interceptors.aop.InvocationContextInterceptor_z_setup_31998357.invoke(InvocationContextInterceptor_z_setup_31998357.java) [:] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:67) [:1.0.1] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.invokeCallback(AOPBasedSingletonContainer.java:1059) [:1.0.0-alpha-28] ... 105 more Caused by: java.lang.RuntimeException: Log4j config file /log4j.xml not found at com.nodbox.ejb.log.Log4jStartupBean.startup(Log4jStartupBean.java:36) [:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_24] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [:1.6.0_24] at java.lang.reflect.Method.invoke(Unknown Source) [:1.6.0_24] at org.jboss.ejb3.interceptors.aop.LifecycleCallbackBeanMethodInterceptor.invoke(LifecycleCallbackBeanMethodInterceptor.java:69) [:1.1.3] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:56) [:1.7.17] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.tx.NullInterceptor.invoke(NullInterceptor.java:42) [:1.0.3] at org.jboss.aop.joinpoint.ConstructionInvocation.invokeNext(ConstructionInvocation.java:80) [jboss-aop.jar:2.2.1.GA] at org.jboss.ejb3.singleton.aop.impl.ConstructionInvocationContextAdapter.proceed(ConstructionInvocationContextAdapter.java:106) [:1.0.0-alpha-28] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:247) [:0.0.1] ... 119 more
Pouvez vous me dire d'où vient mon erreur?
Merci d'avance
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