Dynamic class reloading mechanism

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Reexamination Certificate

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C717S148000, C717S164000

Reexamination Certificate

active

06915511

ABSTRACT:
A system and method for providing dynamic class reloading using a modular, pluggable and maintainable class loader is described. Each application in an application server (or alternatively in any implementation) may include a dynamic class loader module. The class loader module may include a hierarchical stack of class loaders. Each module in the application may be associated with its own class loader. Each class loader may be responsible for loading one or more classes. When a class is changed, the changed class may be detected by the class loader module. Any notification for a class change may come to the class loader controller so that the concerned class loader can be replaced. The class loaders for all classes that depend on the changed class may also be replaced. The replaced class loaders may then reload the affected classes.

REFERENCES:
patent: 6571388 (2003-05-01), Venkatraman et al.
Liang et al., Dynamic Class Loading in Java Virtual Machine, ACM, pp.: 36-44, Oct. 1998.
Gong, “Secure Java Class Loading”, IEEE, pp.: 56-61, Dec. 1998.
IBM Technical Disclosure Bulletin, “Java Dynamic Class Loader”, vol. 39, No. 11, pp.: 107-108, Nov. 1996.
“Class java.lang.ClassLoad,” Sun Microsystems, Inc.,Submit a bug or feature—Version 1.1.8 of Java Platform API Specification, 1995-1999, 6 pages.
“iPlanet Application Server Overview Guide”, Chapters 2 & 4, Sun Microsystems, Inc., 2000, 14 pages.
“JAVA Language Reference,” O'Reilly, 2ndEdition, Jul. 1997, 11 pages.
“Programmer's Guide (Java), iPlanet Application Server,” Release 6.0, Apr. 2000, pp. 289-291.

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