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Background documentation Session Failover Service Locate the document in its SAP Library structure

This service provides failover to the HTTP sessions and stateful session failover to the stateful beans running on the J2EE Engine.

The Session Failover Service runs on servers only.

Server

Property

Description

Default Value

RootDirectoryName

The directory where the Session Failover Service stores the files containing the serialized data when file persistence is specified (that is, when the value of the PersistentStorage property is File). The path is relative to the <SAPj2eeEngine_install_dir>/
cluster/server directory.
When database persistence is specified, this property is ignored.

../shared/httpFailover

PersistentStorage

Specifies the kind of persistent storage that will be used. The possible values for this property are:

·        Database – the serialized data will be stored in the database;

·        File – the serialized data will be stored in the file system.

Database

 

Note

If you change the values of these properties at application runtime, you risk losing data that is already serialized. It is recommended that you do not change these properties at runtime.

 

See also:

Failover System in the Administration Manual

 

 

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