Erreur avec le log4j

**belhoussaine** · 28/06/2016, 12h23

Bonjour tout le monde

je travalle sur un projet avec jsf et hibernate ainsi que les composants richfaces et vu que ces derniers composants ne possèdent pas une option d'exportation des données d'une datatable sur des formats tels que csv et xls et pdf , j'ai ajouté des bibliothèques et parmi ces derniers primfaces pour pouvoir bénificier de cette option , alors apres l'ajout de ces bibliotheques je reçois des messages d'erreurs par glassfish , en fait j'ai ajouté à mon projet les bibliothèques suivantes :

poi-bin-3.15-beta1-20160409.tar
primefaces-5.1
itext-2.1.7 .

voici quelques lignes de ce que je reçois par glassfish :

Code :

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GRAVE: log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).
GRAVE: log4j:WARN Please initialize the log4j system properly.
GRAVE: log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
ATTENTION: PWC4011: Unable to set request character encoding to UTF-8 from context /DerichebourgMaroc, because request parameters have already been read, or ServletRequest.getReader() has already been called
GRAVE: log4j:ERROR log4j called after unloading, see http://logging.apache.org/log4j/1.2/faq.html#unload.
GRAVE: java.lang.IllegalStateException: Class invariant violation
	at org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:199)
	at org.apache.log4j.LogManager.getLogger(LogManager.java:228)
	at org.apache.log4j.Logger.getLogger(Logger.java:104)
	at org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:262)
	at org.apache.commons.logging.impl.Log4JLogger.<init>(Log4JLogger.java:108)
	at sun.reflect.GeneratedConstructorAccessor207.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:545)
	at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:292)
	at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:269)
	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:655)
	at org.hibernate.cfg.annotations.ListBinder.<clinit>(ListBinder.java:35)
	at sun.misc.Unsafe.ensureClassInitialized(Native Method)
	at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:25)
	at sun.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:122)
	at java.lang.reflect.Field.acquireFieldAccessor(Field.java:918)
	at java.lang.reflect.Field.getFieldAccessor(Field.java:899)
	at java.lang.reflect.Field.set(Field.java:657)
	at org.glassfish.web.loader.WebappClassLoader.clearReferences(WebappClassLoader.java:1836)
	at org.glassfish.web.loader.WebappClassLoader.stop(WebappClassLoader.java:1662)
	at org.glassfish.web.loader.WebappClassLoader.preDestroy(WebappClassLoader.java:1631)
	at org.glassfish.internal.data.ApplicationInfo.clean(ApplicationInfo.java:400)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.undeploy(ApplicationLifecycle.java:1028)
	at org.glassfish.deployment.admin.UndeployCommand.execute(UndeployCommand.java:330)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259)
	at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461)
	at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212)
	at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
	at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
	at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
	at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
	at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
	at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
	at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
	at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
	at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
	at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
	at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
	at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
	at java.lang.Thread.run(Thread.java:662)