When running my WebService Client with "wsrunclient" I get the following:
Applications/jboss-5.1.0.GA/bin/wsrunclient.sh -verbose -cp output Client [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/activation.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/jaxb-api.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/jbossws-native-jaxrpc.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/jbossws-native-jaxws-ext.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/jbossws-native-jaxws.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/jbossws-native-saaj.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/resolver.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/serializer.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/stax-api.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/xalan.jar] [Opened /Users/peter/Applications/jboss-5.1.0.GA/lib/endorsed/xercesImpl.jar] [Opened /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded java.lang.Object from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar]
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[Loaded sun.net.www.protocol.jar.URLJarFile$URLJarFileCloseController from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded sun.net.www.protocol.jar.JarFileFactory from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded sun.net.www.protocol.jar.URLJarFile from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded sun.net.www.protocol.jar.URLJarFile$URLJarFileEntry from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded java.lang.IllegalStateException from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] Exception in thread "main" java.lang.IllegalStateException: Failed to load javax.xml.ws.spi.Provider: org.jboss.ws.core.jaxws.spi.ProviderImpl at javax.xml.ws.spi.ProviderLoader.loadProvider(ProviderLoader.java:94) at javax.xml.ws.spi.Provider.provider(Provider.java:87) at javax.xml.ws.Service.(Service.java:79) at org.tempuri.Service.(Service.java:44) at Client.main(Client.java:7) Caused by: java.lang.ClassNotFoundException: org.jboss.ws.core.jaxws.spi.ProviderImpl at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at javax.xml.ws.spi.ProviderLoader.loadProvider(ProviderLoader.java:88) ... 4 more [Loaded java.util.IdentityHashMap$KeySet from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded java.util.IdentityHashMap$IdentityHashMapIterator from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar] [Loaded java.util.IdentityHashMap$KeyIterator from /System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/classes.jar]
Collision in classes with jk6?