Hello, Could someone please tell me why I am getting a slew of java.lang.NoClassDefFoundError exceptions such as the following when I start JBoss on my Mac. Thank you for your time. Bobs-iMac:bin bob$ ./run.sh ./run.sh: line 89: ulimit: open files: cannot modify limit: Invalid argument run.sh: Could not set maximum file descriptor limit: unlimited ========================================================================= JBoss Bootstrap Environment JBOSS_HOME: /Development/jboss-4.2.3.GA JAVA: /Library/Java/Home/bin/java JAVA_OPTS: -Dprogram.name=run.sh -Xms128m -Xmx512m -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 CLASSPATH: /Development/jboss-4.2.3.GA/bin/run.jar ========================================================================= 14:01:52,567 INFO [Server] Starting JBoss (MX MicroKernel)... 14:01:52,568 INFO [Server] Release ID: JBoss [Trinity] 4.2.3.GA (build: SVNTag=JBoss_4_2_3_GA date=200807181439) 14:01:52,574 INFO [Server] Home Dir: /Development/jboss-4.2.3.GA 14:01:52,574 INFO [Server] Home URL: file:/Development/jboss-4.2.3.GA/ 14:01:52,575 INFO [Server] Patch URL: null 14:01:52,575 INFO [Server] Server Name: default 14:01:52,576 INFO [Server] Server Home Dir: /Development/jboss-4.2.3.GA/server/default 14:01:52,576 INFO [Server] Server Home URL: file:/Development/jboss-4.2.3.GA/server/default/ 14:01:52,576 INFO [Server] Server Log Dir: /Development/jboss-4.2.3.GA/server/default/log 14:01:52,576 INFO [Server] Server Temp Dir: /Development/jboss-4.2.3.GA/server/default/tmp 14:01:52,577 INFO [Server] Root Deployment Filename: jboss-service.xml 14:01:52,866 INFO [ServerInfo] Java version: 1.5.0_13,Apple Inc. 14:01:52,866 INFO [ServerInfo] Java VM: Java HotSpot(TM) Client VM 1.5.0_13-119,Apple Inc. 14:01:52,867 INFO [ServerInfo] OS-System: Mac OS X 10.5.4,i386 14:01:53,231 INFO [Server] Core system initialized 14:01:55,660 INFO [WebService] Using RMI server codebase: http://127.0.0.1:8083/ 14:01:55,662 INFO [Log4jService$URLWatchTimerTask] Configuring from URL: resource:jboss-log4j.xml 14:01:56,192 INFO [TransactionManagerService] JBossTS Transaction Service (JTA version) - JBoss Inc. 14:01:56,192 INFO [TransactionManagerService] Setting up property manager MBean and JMX layer 14:01:56,362 INFO [TransactionManagerService] Starting recovery manager 14:01:56,450 INFO [TransactionManagerService] Recovery manager started 14:01:56,450 INFO [TransactionManagerService] Binding TransactionManager JNDI Reference 14:01:59,026 INFO [EJB3Deployer] Starting java:comp multiplexer 14:01:59,675 ERROR [MainDeployer] Could not initialise deployment: file:/Development/jboss-4.2.3.GA/server/default/deploy/jbossws.sar/ java.lang.NoClassDefFoundError: javax/ejb/Stateless at org.jboss.ejb3.EJB3Util.isStateless(EJB3Util.java:42) at org.jboss.ejb3.EJB3Deployer.hasEjbAnnotation(EJB3Deployer.java:219) at org.jboss.ejb3.EJB3Deployer.accepts(EJB3Deployer.java:271) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) at $Proxy34.accepts(Unknown Source) at org.jboss.deployment.MainDeployer.findDeployer(MainDeployer.java:1078) at org.jboss.deployment.MainDeployer.init(MainDeployer.java:857) at org.jboss.deployment.MainDeployer.init(MainDeployer.java:895) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:809) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) at $Proxy9.deploy(Unknown Source) at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263) at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336) at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289) at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978) at $Proxy0.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:417) at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) at $Proxy4.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) at $Proxy5.deploy(Unknown Source) at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482) at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362) at org.jboss.Main.boot(Main.java:200) at org.jboss.Main$1.run(Main.java:508) at java.lang.Thread.run(Thread.java:613) 14:02:00,470 INFO [Embedded] Catalina naming disabled 14:02:00,647 INFO [AprLifecycleListener] The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: .:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java... 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