The J2EE Startup and Control Framework
… is an infrastructure, situated between the operating system and the Java VM
… is used to start, stop, and monitor a Java Instance
… loads the JVM and restarts processes, which have died/crashed
… comprises the programs Jcontrol, Jlaunch and Jcmon
The Java startup and control framework comprises the programs JControl and Jlaunch. JLaunch is started by JControl and itself starts the bootstrap Java program or an element of the Java Instance (dispatcher or server process). Whereas the Jcmon is a command line monitor program and is used to administrate the framework.
Java startup and control framework is used to start, monitor, and stop a Java instance:
Integration of Java Processes into the SAP instance concept
Inherit all management concepts from the ABAP stack
Integration into existing SAP instance management
Control and Restart functionality of J2EE processes (Watchdog)
Daemons for NT (sapserv.exe)
Remote Control of all J2EE instances in the cluster
Cluster wide management (shutdown, restart ...)
Integration of the Startup Framework Client into the IDE
Preparation of Remote Debugging Support
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