How can I avoid the MarshalException for Java RMI?

Question

I just finished a small program with java rmi and somehow it doesn't work. Everytime I want to start the server I'm getting the MarshalException. Are there any important points that I should be aware of them on how to implement the interface for the remote method invocation? I thought it would be possible to create an implementation but also include some additional methods like a constructor or private variables inside of the implementing class.

Shouldn't this just work?

Greetings

if my answer doesn't solve the issue, please provide more details about the exception - the whole exception (incl.message and stacktrace), for example ;) — Bozho
– Bozho, Commented Jan 10, 2011 at 14:46

Bozho · Accepted Answer · 2011-01-10 15:15:55Z

3

In order to be able to transfer objects you need to make them implement Serializable. And perhaps have a default (no-arg) constructor (this is not a requirement for serialization though)

As helios noted, not only the class, but all your field hierarchy (classes of fields, and the classes of their fields) must be Serializable)

edited Jan 10, 2011 at 15:15

answered Jan 10, 2011 at 14:45

Bozho

599k147 gold badges1.1k silver badges1.2k bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

helios Over a year ago

And you have to test your classes trying to serialize them (it is, using them trough the RMI service). If your class implements Serializable but it contains a non-Serializable (non-transient) field, kaboom!

Andre Over a year ago

just added the Serializable. code follows! hm how do i test the serializable and what are the properties there which i have to take care about . i have no idea. in my eyes everything is seralizable :-)

user207421 · Accepted Answer · 2011-01-10 23:22:27Z

1

Caused by: java.lang.ClassNotFoundException: vsys.ue04.server.RemoteChargeImplementation

There's your problem. That class is required at the client.

answered Jan 10, 2011 at 23:22

user207421

312k45 gold badges324 silver badges493 bronze badges

Collectives™ on Stack Overflow

How can I avoid the MarshalException for Java RMI?

2 Answers 2

2 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

2 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related