我试图实施Sun教程RMI应用程序来计算Pi。我遇到了一些严重的问题,我无法找到解决方案事件,尽管我一直在搜索整个网络和几名熟练的人员。 我希望你能结束我的挫折。Java RMI(服务器:TCP连接空闲/客户端:Unmarshalexception(EOFException))
疯狂的事情是我可以从我的台式机上的cmd运行应用程序。在笔记本电脑上完全相同的目录中使用完全相同的代码尝试完全相同的操作会产生以下错误。当我尝试将客户端连接到服务器时发生此问题。
我不相信这个错误是由于我的策略文件,因为我可以在桌面上运行它。它必须在其他地方。有没有人尝试过,你能给我一个暗示我的问题在哪里吗?
POLICYFILE SERVER:
grant
{
permission java.security.AllPermissions;
permission java.net.SocketPermission"*", "connect, resolve";
};
POLICYFILE CLIENT:
grant
{
permission java.security.AllPermissions;
permission java.net.SocketPermission"*", "connect, resolve";
};
______________________________________________
SERVERSIDE ERRORS:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\STUDENT>cd\
C:\>start rmiregistry
C:\>java -cp c:\java;c:\java\compute.jar -Djava.rmi.server.codebase=file:/c:/jav
a/compute.jar -Djava.rmi.server.hostname=localhost -Djava.security.policy=c:/jav
a/servertest.policy engine.ComputeEngine
ComputeEngine bound
Exception in thread "RMI TCP Connection(idle)" java.security.AccessControlExcept
ion: access denied (java.net.SocketPermission 127.0.0.1:1440 accept,resolve)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkAccept(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.checkAcceptPermi
ssion(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport.checkAcceptPermission(Unknown Sour
ce)
at sun.rmi.transport.Transport$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Sou
rce)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Sour
ce)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source
)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
_______________________________
CLIENTSIDE ERRORS:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\STUDENT>cd\
C:\>java -cp c:\java;c:\java\compute.jar -Djava.rmi.server.codebase=file:\C:\jav
a\files\ -Djava.security.policy=c:/java/clienttest.policy client.ComputePi local
host 45
ComputePi exception:
java.rmi.UnmarshalException: Error unmarshaling return header; nested exception
is:
java.io.EOFException
at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
at sun.rmi.server.UnicastRef.invoke(Unknown Source)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(Unkn
own Source)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(Unknown Source)
at $Proxy0.executeTask(Unknown Source)
at client.ComputePi.main(ComputePi.java:18)
Caused by: java.io.EOFException
at java.io.DataInputStream.readByte(Unknown Source)
... 6 more
C:\>
在此先感谢 佩里
这个问题似乎是脱离主题,因为它是自我封闭,请参阅答案。 – EJP 2013-10-05 10:05:30