WO2002091179A3 - Method and apparatus for migration of managed application state for a java based application - Google Patents

Method and apparatus for migration of managed application state for a java based application Download PDF

Info

Publication number
WO2002091179A3
WO2002091179A3 PCT/US2002/012824 US0212824W WO02091179A3 WO 2002091179 A3 WO2002091179 A3 WO 2002091179A3 US 0212824 W US0212824 W US 0212824W WO 02091179 A3 WO02091179 A3 WO 02091179A3
Authority
WO
WIPO (PCT)
Prior art keywords
state
server
migration
java
module
Prior art date
Application number
PCT/US2002/012824
Other languages
French (fr)
Other versions
WO2002091179A2 (en
Inventor
Rahul Sharma
Vladimir Matena
Masood Mortazavi
Sanjeev Krishnan
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to AU2002303446A priority Critical patent/AU2002303446A1/en
Priority to GB0325960A priority patent/GB2395317B/en
Publication of WO2002091179A2 publication Critical patent/WO2002091179A2/en
Publication of WO2002091179A3 publication Critical patent/WO2002091179A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
    • G06F9/4856—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration
    • G06F9/4862—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration the task being a mobile agent, i.e. specifically designed to migrate
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4488—Object-oriented
    • G06F9/4493—Object persistence

Abstract

An invention for migrating managed application state for a Java based application is disclosed. A first Java module is executed on afirst server. The first Java module includes a first entity bean and a first state object in communication with the first entity bean. The first state object stores a state of the first entity bean. The first state object is replicated to a state server or stored in-memory and made capable of migration by replicated state manager. Then, a second Java module is started on a second server as part of the module migration by replicated state manager. Then, a second Java module is started on asecond server as part of the module migration by a control module. The second Java module includes a second state object that is populated with state by either recovering from replica of first state object stored on the state server or by getting transferred state of an in-memory copy of first state object managed on first server.
PCT/US2002/012824 2001-04-30 2002-04-23 Method and apparatus for migration of managed application state for a java based application WO2002091179A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002303446A AU2002303446A1 (en) 2001-04-30 2002-04-23 Method and apparatus for migration of managed application state for a java based application
GB0325960A GB2395317B (en) 2001-04-30 2002-04-23 Method and apparatus for migration of managed application state for a java based application

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/846,492 2001-04-30
US09/846,492 US6912569B1 (en) 2001-04-30 2001-04-30 Method and apparatus for migration of managed application state for a Java based application

Publications (2)

Publication Number Publication Date
WO2002091179A2 WO2002091179A2 (en) 2002-11-14
WO2002091179A3 true WO2002091179A3 (en) 2004-03-25

Family

ID=25298099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/012824 WO2002091179A2 (en) 2001-04-30 2002-04-23 Method and apparatus for migration of managed application state for a java based application

Country Status (4)

Country Link
US (1) US6912569B1 (en)
AU (1) AU2002303446A1 (en)
GB (1) GB2395317B (en)
WO (1) WO2002091179A2 (en)

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US8856583B1 (en) * 2012-01-20 2014-10-07 Google Inc. Failover operation on a replicated distributed database system while maintaining access invariance
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Also Published As

Publication number Publication date
GB2395317B (en) 2005-06-01
AU2002303446A1 (en) 2002-11-18
GB2395317A (en) 2004-05-19
GB0325960D0 (en) 2003-12-10
US6912569B1 (en) 2005-06-28
WO2002091179A2 (en) 2002-11-14

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