By Jan Newmarch
Here is a complete reference for Java programmers drawn to studying and employing Jini towards their respective community functions – any Java enabled equipment interoperable with the other Java-enabled machine. Jini is Sun's Java-based expertise, with strength to make obvious, "universal plug and play" a fact. This publication is an accelerated, up to date model of the most well-liked on-line educational for Jini. writer Jan Newmarch comprises accomplished Jini developments, and different vital themes, like how company JavaBeans mixture in with the Jini framework and the way CORBA matches in to boot. The e-book is predicated on Jini 2.0.
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This can occur if the codebase points to a directory, and the value is not terminated with a forward slash (/). ActivationSystem The command rmid starts the activation system running. If the activation system cannot start properly or dies just after starting, you will get this message. Usually it is caused by incorrect file permissions. FileClassifierImpl_Stub This error does not occur as frequently as it used to. 0 onward, proxies should be generated using Jeri instead of RMI, and this error will only occur when using RMI.
Codebase is pointing to. Note that using localhost is a common error, since it may refer to a different machine from the one intended. ” Jini goes a long way toward making this possible at the service level, but the current implementation relies heavily on a functioning network layer: misconfiguration of the network can cause a great deal of problems in Jini. getInstance(0), new BasicILFactory()); “Exporting a service” means finding the localhost, getting its hostname and IP address, and listening on any available port.
FileClassifierServer is in the file complete. class. fm Page 33 Friday, September 1, 2006 11:20 AM CHAPTER 3 ■ ANT Summary Ant is now used in many Java projects to control the build and distribution process. This book also uses Ant, and this chapter has described how this is done. Please note that the material in this chapter is not essential to understanding how Jini works, though. fm Page 35 Friday, September 8, 2006 12:30 PM CHAPTER 4 ■■■ Discovering a Lookup Service J ini uses a lookup service in much the same way as other distributed systems use naming services and traders.