How can I control the lease period associated with a client's reference for my remote object?
Created May 3, 2012
Govind Seshadri When a RMI client obtains a reference for the remote object, by default, the
reference is live for 10 minutes. If there is no client activity before the lease
term expires, the reference is considered to be invalid, and the remote
object may be subject to garbage collection, presuming there are no other
clients holding a live reference to it.
However, the lease term can be easily changed, and is controlled by the system property java.rmi.dgc.leaseValue.
For example:
java -Djava.rmi.dgc.leaseValue=300000 MyRemoteImpl
resets the lease term to 5 minutes. The lease period is indicated in milliseconds.
Note that for optimal performance, the lease term should not be set toa very small value. An active RMI client automatically renews the lease when it is halfway expired, and a very small lease term would cause the client to consume precious network resources in repeatedly renewing the lease.
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