User development, A new message was posted in the thread "Starting Jboss from Eclipse": http://community.jboss.org/message/532934#532934 Author : Mark Wareham Profile : http://community.jboss.org/people/markaw1 Message: -------------------------------------------------------------- Thanks. That got rid of the log4j error. Now its just   googling suggests its the JVM is the wrong version, but I have changed it down to 1.5   Failed to boot JBoss: java.lang.RuntimeException: Unable to create a KernelInitializer based on the specified KernelConfig    at org.jboss.kernel.KernelFactory.createKernelInitializer(KernelFactory.java:156)    at org.jboss.kernel.KernelFactory.assembleNewKernel(KernelFactory.java:99)    at org.jboss.kernel.KernelFactory.newInstance(KernelFactory.java:67)    at org.jboss.kernel.plugins.bootstrap.AbstractBootstrap.bootstrap(AbstractBootstrap.java:114)    at org.jboss.kernel.plugins.bootstrap.AbstractBootstrap.run(AbstractBootstrap.java:83)    at org.jboss.bootstrap.microcontainer.ServerImpl.doStart(ServerImpl.java:105)    at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:450)    at org.jboss.Main.boot(Main.java:221)    at org.jboss.Main$1.run(Main.java:556)    at java.lang.Thread.run(libgcj.so.10) Caused by: java.lang.ArrayIndexOutOfBoundsException: 0    at org.jboss.reflect.plugins.MethodInfoImpl.<init>(MethodInfoImpl.java:103)    at org.jboss.reflect.plugins.introspection.ReflectMethodInfoImpl.<init>(ReflectMethodInfoImpl.java:78)    at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl$2.run(IntrospectionTypeInfoFactoryImpl.java:211)    at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl$2.run(IntrospectionTypeInfoFactoryImpl.java:200)    at java.security.AccessController.doPrivileged(libgcj.so.10)    at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl.getMethods(IntrospectionTypeInfoFactoryImpl.java:198)    at org.jboss.reflect.plugins.ClassInfoImpl.getDeclaredMethods(ClassInfoImpl.java:394)    at org.jboss.beans.info.plugins.AbstractBeanInfoFactory.getMethods(AbstractBeanInfoFactory.java:231)    at org.jboss.beans.info.plugins.AbstractBeanInfoFactory.getBeanInfo(AbstractBeanInfoFactory.java:152)    at org.jboss.beans.info.plugins.AbstractBeanInfoFactory.getBeanInfo(AbstractBeanInfoFactory.java:124)    at org.jboss.config.plugins.AbstractConfiguration.getBeanInfo(AbstractConfiguration.java:69)    at org.jboss.kernel.plugins.config.AbstractKernelConfig.getBeanInfo(AbstractKernelConfig.java:65)    at org.jboss.kernel.plugins.config.property.PropertyKernelConfig.getImplementation(PropertyKernelConfig.java:175)    at org.jboss.kernel.plugins.config.property.PropertyKernelConfig.createKernelInitializer(PropertyKernelConfig.java:120)    at org.jboss.kernel.KernelFactory.createKernelInitializer(KernelFactory.java:150)    ...9 more 20:48:23,631 INFO  [ServerImpl] Runtime shutdown hook called, forceHalt: true 20:48:23,639 INFO  [ServerImpl] Shutdown complete Shutdown complete Halting VM -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/532934#532934