ClassNotFoundException from xmlschema-core.jar ---------------------------------------------- Key: WFLY-4286 URL: https://issues.jboss.org/browse/WFLY-4286 Project: WildFly Issue Type: Bug Components: Class Loading Affects Versions: 8.2.0.Final Reporter: Thomas Offner Assignee: David Lloyd Hi, I have a Maven project (which builds a war) with the following dependency: <dependency> <groupId>org.apache.ws.xmlschema</groupId> <artifactId>xmlschema-core</artifactId> <version>2.0.2</version> <scope>provided</scope> </dependency> However when i Deploy my Application to a Default Wildfly 8.2 Installation (Runs on JDK 1.8.31) then I get the following error: Caused by: java.lang.NoClassDefFoundError: org/apache/ws/commons/schema/XmlSchemaMaxLengthFacet ..... at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.8.0_31] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) [rt.jar:1.8.0_31] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [rt.jar:1.8.0_31] at java.lang.reflect.Constructor.newInstance(Constructor.java:408) [rt.jar:1.8.0_31] at org.jboss.weld.injection.ConstructorInjectionPoint.newInstance(ConstructorInjectionPoint.java:113) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05] ... 139 more Caused by: java.lang.ClassNotFoundException: org.apache.ws.commons.schema.XmlSchemaMaxLengthFacet from [Module "deployment.myapplication.war:main" from Service Module Loader] at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.3.Final] at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.3.Final] at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.3.Final] at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.3.Final] at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.3.Final] ... 149 more However, the xmlschema-core.jar can be found in the wildfly installation folder: $WILDFLY_HOME\modules\system\layers\base\org\apache\ws\xmlschema\main When i change the dependency to: <dependency> <groupId>org.apache.ws.xmlschema</groupId> <artifactId>xmlschema-core</artifactId> <version>2.0.2</version> <!--<scope>provided</scope>--> </dependency> The ClassNotFoundException doesn't occur anymore. May this be a bug? Regards, Thomas