Category:Troubleshooting

From Jini.org

Commom troubleshooting FAQs, and informations.

(All content is provided just to point out topics)

Contents 1 CLASSPATH 2 RMI 2.1 Class loading 2.2 Serializing / Marshaling 3 Network Configuration 4 Permissions 5 Discovery / Join 6 Lease 7 Security 8 Logging / Debugging

CLASSPATH

• Do not run the server starter with your classes on the classpath, use configuration.
• Exception in thread "main" java.lang.NoClassDefFoundError:

RMI

Class loading

• No Http server (verify your code base):

java.rmi.ServerException: RemoteException in server thread; nested exception is:
        java.rmi.UnmarshalException: unmarshalling method/arguments; nested exception is:
        java.lang.ClassNotFoundException: could not obtain preferred value for: ...

Serializing / Marshaling

• Serialization errors
• Using java.rmi.MarshalledObject

Network Configuration

For example: On linux machines you will need a DNS server (or I did).

Permissions

• Policy file
• SecurityManager

Discovery / Join

Lease

Security

Logging / Debugging

• Setting up local logging
• Setting up remote logging service
• Command line parameters to improve logging (jini, rmi, permission parameters)
• Local debugging
• Remote debugging

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