远程JMX调用失败，出现ClassNotFoundException：...（没有安全管理器：禁用RMI类加载器

我尝试从Tomcat的Web应用程序中调用MBean的方法，目标MBean在JBoss 4.2.3下运行Tomcat和JBoss应用程序使用的jar的相同版本的同一个班级，但调用我看到以下异常：远程JMX调用失败，出现ClassNotFoundException：...（没有安全管理器：禁用RMI类加载器

Caused by: java.lang.ClassNotFoundException: ...thisClass... (no security manager: RMI class loader disabled) 
    at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:375) 
    at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:165) 
    at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:620) 
    at org.jboss.system.JBossRMIClassLoader.loadClass(JBossRMIClassLoader.java:91) 
    at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:247) 
    at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:197) 
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575) 
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496) 
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732) 
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) 
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) 
    at java.util.ArrayList.readObject(ArrayList.java:593) 
    at sun.reflect.GeneratedMethodAccessor164.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597) 
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974) 
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849) 
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) 
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) 
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) 
    at java.util.HashMap.readObject(HashMap.java:1030) 
    at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597) 
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974) 
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849) 
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) 
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) 
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667) 
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323) 
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) 
    at java.rmi.MarshalledObject.get(MarshalledObject.java:142) 
    at javax.management.remote.rmi.RMIConnectionImpl$6.run(RMIConnectionImpl.java:1513) 
    ... 20 more

我认为JBoss的不使用自己的类，但试图从地方下载这个类和失败“没有安全管理器：RMI类加载器被禁用“。但是如何改变这种行为以使用本地已经加载的类。或者我猜错了这个猜测..？

来源

2009-07-29 Halls