[ https://issues.jboss.org/browse/WFLY-10554?page=com.atlassian.jira.plugin... ] Radoslav Ivanov commented on WFLY-10554: ---------------------------------------- It happens during initialization of OpenSAML when calling it from an application. {code:java} Caused by: java.lang.NoClassDefFoundError: com/codahale/metrics/MetricRegistry at org.opensaml//org.opensaml.core.metrics.impl.MetricRegistryInitializer.init(MetricRegistryInitializer.java:42) at org.opensaml//org.opensaml.core.config.InitializationService.initialize(InitializationService.java:56) {code} You see, "opensaml-core" has three services of type "org.opensaml.core.config.Initializer" - one of them is "org.opensaml.core.metrics.impl.MetricRegistryInitializer" and it is requiring "metrics-core". -- This message was sent by Atlassian Jira (v7.12.1#712002)