LoggerProvider configured with new ServiceLoader crash ------------------------------------------------------ Key: JBLOGGING-111 URL: https://issues.jboss.org/browse/JBLOGGING-111 Project: JBoss Logging Issue Type: Bug Affects Versions: 3.2.0.Beta1 Environment: Weblogic 10.3.2.0 Configured in ejb jar, deployed by an ear file Reporter: Frederic Allard Assignee: James Perkins There is a new feature in the beta which uses the ServiceLoader to specify a LoggerProvider to be used by JBoss Logging. org.jboss.logging.LoggerProviders snippet : {code} // Next try for a service provider try { final ServiceLoader<LoggerProvider> loader = ServiceLoader.load(LoggerProvider.class, cl); if (loader.iterator().hasNext()) { return loader.iterator().next(); } } catch (Throwable ignore) { // TODO consider printing the stack trace as it should only happen once } {code} When you try to configure a provider (ex. org.jboss.logging.Slf4jLoggerProvider), the ServiceLoader crash silently and ignore the provider. {code} java.util.ServiceConfigurationError: org.jboss.logging.LoggerProvider: Provider org.jboss.logging.Slf4jLoggerProvider could not be instantiated: java.lang.IllegalAccessException: Class java.util.ServiceLoader$LazyIterator can not access a member of class org.jboss.logging.Slf4jLoggerProvider with modifiers "" at java.util.ServiceLoader.fail(ServiceLoader.java:207) at java.util.ServiceLoader.access$100(ServiceLoader.java:164) at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:353) at java.util.ServiceLoader$1.next(ServiceLoader.java:421) at org.jboss.logging.LoggerProviders.findProvider(LoggerProviders.java:70) at org.jboss.logging.LoggerProviders.find(LoggerProviders.java:32) at org.jboss.logging.LoggerProviders.<clinit>(LoggerProviders.java:29) at org.jboss.logging.Logger.getLogger(Logger.java:2177) at org.jboss.logging.Logger$1.run(Logger.java:2277) at java.security.AccessController.doPrivileged(Native Method) at org.jboss.logging.Logger.getMessageLogger(Logger.java:2241) at org.jboss.logging.Logger.getMessageLogger(Logger.java:2228) at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:176) ... {code} This is caused by the fact that all JBoss providers are not public classes and are instead package classes.