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Fault-tolerant java virtual machine

  • US 6,421,739 B1
  • Filed: 01/30/1999
  • Issued: 07/16/2002
  • Est. Priority Date: 01/30/1999
  • Status: Expired due to Term
First Claim
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1. A method for providing a first Java Virtual Machine (“

  • JVM”

    ) with mechanisms to support fault-tolerant operation, comprising the steps of;

    (a) modifying the first JVM to use information maintained by the first JVM to identify objects that are created, modified, and/or discarded during a process of responding to an event of a transaction, such objects that are created, modified, and/or discarded during a process of responding to an event of a transaction defining at least a portion of a checkpoint;

    (b) delivering to at least one second JVM the at least a portion of a checkpoint; and

    (c) storing in the at least one second JVM the at least a portion of a checkpoint for use by the at least one second JVM in the processing of subsequent events of the transaction.

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