遠程JMX調用失敗，出現ClassNotFoundException：...（沒有安全管理器：禁用RMI類加載器

我嘗試從Tomcat的Web應用程序中調用MBean的方法，目標MBean在JBoss 4.2.3下運行Tomcat和JBoss應用程序使用的jar的相同版本的同一個班級，但調用我看到以下異常：遠程JMX調用失敗，出現ClassNotFoundException：...（沒有安全管理器：禁用RMI類加載器

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

我認爲JBoss的不使用自己的類，但試圖從地方下載這個類和失敗「沒有安全管理器：RMI類加載器被禁用「。但是如何改變這種行爲以使用本地已經加載的類。或者我猜錯了這個猜測..？

來源

2009-07-29 Halls