I see the following error when I try to initiate a jBPM workflow process running in Tomcat. The workflow process is initiated and ultimately a JMS message is added to a queue running in JBoss. I'm just starting to learn about this application, so if you need more information to help, please do let me know. Thanks! 2007-01-26 16:38:21,413 ERROR [org.jboss.ejb.plugins.LogInterceptor] Unexpected Error in method: public abstract void javax.jms.MessageListener.onMessage(javax.jms.Message) | java.lang.NoSuchMethodError: java.util.Arrays.toString([Ljava/lang/Object;)Ljava/lang/String; | at org.codehaus.xfire.spring.remoting.XFireClientFactoryBean$ProxyInterceptor.invoke(XFireClientFactoryBean.java:565) | at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170) | at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176) at $Proxy75.startActivationProcess(Unknown Source) 2007-01-26 16:38:21,419 ERROR [org.jboss.ejb.plugins.jms.JMSContainerInvoker] Exception in JMSCI message listener | javax.ejb.EJBException: Unexpected Error: | java.lang.NoSuchMethodError: java.util.Arrays.toString([Ljava/lang/Object;)Ljava/lang/String; | at org.codehaus.xfire.spring.remoting.XFireClientFactoryBean$ProxyInterceptor.invoke(XFireClientFactoryBean.java:565) | at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170) | at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4007041#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...